Post Glacial Rebound Effect

Hang On! Earth’s Surface Moving North

Andrea Leontiou
Date: 27 September 2010 Time: 01:05 PM ET
Earth from space.

As you read this, the Earth’s surface is shifting right underneath you, creeping very slowly toward the North Pole. Scientists say the shift is greater than they expected, but other than some minor effects on satellites, life will go on.

Researchers have found that the shift of water mass around the globe, combined with so-called post-glacial rebound, is shifting Earth’s surface relative to its center of mass by 0.035 inches (0.88 millimeters) a year toward the North Pole.

Post-glacial rebound is the response of the solid Earth to the retreat of glaciers and the resulting loss of the hefty weight. As glaciers retreated at the end of the last Ice Age, the land under the ice began to rise and continues to do so. Therefore, models predicted, the solid crust at the surface should be moving northward, in relation to the planet’s center of mass.

Now there’s hard data to support the model’s prediction.

To calculate the changes, scientists combined gravity data from the NASA/German Aerospace Center Gravity Recovery and Climate Experiment (GRACE) satellites with measurements of global surface movements from GPS and a model developed by NASA’s Jet Propulsion Laboratory (JPL) that estimates the mass of Earth’s ocean above any point on the ocean floor.

Study researcher Xiaoping Wu of JPL in Pasadena, Calif., thinks the shift of Earth’s surface is largely due to the melted Laurentide ice sheet, which blanketed most of Canada and a part of the northern United States during the last Ice Age.

“The new estimate of shift is much larger than previous model estimates of 0.019 inches (0.48 millimeters) per year,” Wu said. “The motion of the center moving upward is not going to affect life on Earth. The motion is only less than one millimeter a year, so it won’t have any impact on life, but if it were something like one centimeter, then there would be a huge amount of changes,” Wu said.

While this movement will not have an impact on our day-to-day lives, it could impact spacecraft tracking and tell us more about how the Earth deforms under stress and the history of deglaciation.

“Satellites in space orbit around the center of mass record information from space and our corresponding instruments are located on the Earth’s surface, so this movement may affect how we track spacecrafts,” Wu said.

from:   http://www.livescience.com/10119-hang-earth-surface-moving-north.html

Greece – Earthquake near Patras

(Strong?) shallow earthquake in Greece, near Patras

Last update: November 11, 2011 at 1:46 pm by By 

Earthquake overview :  The earthquake hit at 19:25 local time. The epicenter was very close (27 km) to Patras. As the hypocenter was very shallow there is possibility of some damage close to the epicenter area.

 

Location Map (USGS)

Keep this page open or return regularly as we will be back with more details when they become available 

UPDATE: The epicenter of the earthquake was very close to Lepanto, only 2 km NW from the location.

UPDATE: ​It is a good sign that we don’t have any information about serious damage or injuries at this point. This new lower magnitude given by the Institute of Geodynamics may change the outcome of this earthquake.

UPDATE: The earthquake was very well felt in Nafpaktos and Aigion. The Institute of Geodynamics from Greece gives a magnitude of 4.6 and a depth at 17 km.

The earthquake hit at 19:25 local time. The epicenter was very close (27 km) to Patras. As the hypocenter was very shallow there is possibility of some damage close to the epicenter area. There are already reports of some minor damage, falling rubble and  bricks.

Most important Earthquake Data:

Magnitude : 5.2
UTC Time : 17:25:40
Local time at epicenter :19:25:40
Depth (Hypocenter) :6.9
Geo-location(s) :
27 km (16 miles) NE (34°) from Patras, Greece

for more information, updates, etc., go to:    http://earthquake-report.com/2011/11/10/strong-shallow-in-greece-near-patras/

CME Alert

fr/spaceweather.com

INCOMING CME? Yesterday, Nov. 9th around 1330 UT, a magnetic filament in the vicinity of sunspot complex 1342-1343 erupted, producing a M1-class solar flare and hurling a CME into space. The Solar and Heliospheric Observatory (SOHO) recorded the progress of the expanding plasma cloud:

Although the eruption was not squarely aimed at Earth, the CME is likely to deliver a glancing blow to our planet’s magnetic field on Nov. 11th or 12th. This could add to the impact of another CME already en route. The earlier cloud was propelled by a filament eruption (movie) on Nov. 7th and is also expected to deliver a glancing blow on Nov. 11th.

Analyses of these events are still preliminary, and the forecast may change. For now it is safe to say that high-latitude sky watchers should be alert for auroras on Nov. 11-12.

El Hierro – Economic Impact of Major Explosion

El Hierro Volcano eruption : Economic impact on El Hierro and the Canary Islands if an aerial eruption would occur

Last update: November 9, 2011 at 4:36 pm by By 

A quick exposure-risk picture of what could be affected should a full blown eruption occur

El Hierro Island has 10,960 inhabitants producing a GDP per capita of around 8000 euros, the equivalent of around 88 million Euros.

The economy is sustained via livestock(goats, sheep and cattle – milk for cheese), agriculture (fruits and wine), fishing (tuna etc.) and tourism (not as great as the rest of the Canary Islands – they do mostly rural/adventure tourism and have around 2000 beds.

La Restinga is the main port for fishing,  already strongly affected by the eruption. Water temperatures in the vicinity of the volcano / port have been measured at 35.3 degrees instead of the usual 24 degrees and the poisoned water has killed almost all marine life near the port.

Livestock (as seen in previous eruptions, especially in Iceland) can be killed if fluoride poisoning occurs of water sources.

The rest of the Canary Islands relies greatly on tourism (32% of the GDP) and could be affected significantly if El Hierro is to produce an aerial eruption. Tourism accounts for around 14 billion Euros of the 43.248 billion Euro GDP.

Over 9 million tourists visit the Canary Islands each year, with around 16.9 million people moving through the 8 airports each year (around 46300 people a day). Should all the airports be out for a week at anytime, the predicted loss in GDP would be around 400 million Euros in tourism losses.

As much of the other GDP is centralized on the islands, limited losses would occur in other sectors, apart from directly affected losses in the livestock, fishing and agriculture sector.

What is also interesting is that a €54 million project is currently being undertaken on El Hierro to create a 11MW wind farm and two hydroelectric projects using an extinct volcano to be the first island around the world to have complete energy self-sufficiency. Water release from the extinct volcano (when pumped up 700m), will create 11.3 MW. This system is expected to save €4 million.

It is unknown how much this would be affected.

Tsunami risk we will not mention at this point, however there is always the chance of underwater landslides, on-shore landslides through seismic activity.

Wind for El Hierro can be seen in the last 18 hours here.

It can be seen that at the moment, winds are favourable with winds blowing from the north to the south. This means that should there be an aerial eruption, the other islands in the Canaries would not be significantly affected by the resulting ash cloud.

In fact, the general wind direction is a NNE-northerlymeaning that it is unlikely that for the month of November there could be a major ash impact on the rest of the islands. We thank windfinder.com  and recommend their service.

for more, go to:    http://earthquake-report.com/2011/11/09/el-hierro-volcano-eruption-economic-impact-on-el-hierro-and-the-canary-islands-if-an-aerial-eruption-would-occur/

Turkey Aftershock

November 10 aftershock near Van, Turkey – Japanese aid worker killed in collapse of Bayram Hotel

Last update: November 10, 2011 at 4:08 pm by By 

Earthquake overview : The already so hard hit Van Ercis area was hit by another earthquake – Aftershock in the evening of November 9 2011. Additional damage and injuries are almost a certainty

Update 10/11 – 15:40 UTC :
Early Thursday, the dead body of a Japanese aid worker, Atsushi Miyazaki, was pulled out the rubble of the Bayram Hotel in Van, Turkey. His friend, another member of Japan’s Association for Aid and Relief, could be rescued by SAR workers

Update 10/11 – 15:35 UTC :
Angry residents protested Thursday that authorities should have closed the 2 collapsed hotels. Both hotels were damaged by the October 23 earthquake. Police used pepper spray to halt the protests.

Update 10/11 – 08:49 UTC :
Various reports in Turkish newspapers are talking about people still being buried under the debris of the hotels. The official AFAD death toll remains at 7, but we expect that it will increase slightly the following hours.

Update 10/11 – 05:00 UTC :
In Edremit, 100 people have been injured. This town was right by the epicenter.

Update 10/11 – 04:45 UTC :
KOERI has said that they expect around 80 deaths. However, given the fact that only 4 buildings were inhabited at the time of collapse, it is hoped that this is not true.

Update 10/11 – 04:40 UTC : Contrary to early opinions, only 36 people are expected to have been in the Bayram Hotel at the time of collapse. (From the 2 hotels that collapsed, 23 have been rescued, 7 found dead).

A major decision by the Ministry of Education. They have announced that schools in Van will not be opened until after the earthquake of December 5, 2011 (delayed from November 14, 2011).

Update 10/11 – 04:35 UTC :
If we focus on the Bayram Hotel picture for a moment, it can be seen that the structure has a weak first floor (higher than the rest of the building) which could indicate what is called a “soft storey collapse”, where the first floor collapses and then the rest of the building following it.

Update 10/11 – 04:30 UTC :
According to reports, 7 people have been found dead so far, with 22 people recovered alive.
Some good news was that 22 of the 25 buildings that collapsed were unoccupied at the time.
The Aslan Otel (or Lion Hotel) also collapsed.

Update 10/11 – 00:45 UTC :  The SAR (Search and Rescue) operations are continuing. We will have to wait a couple of hours until daylight to get more information from the epicenter area.

Update :  This earthquake has killed at least three people and collapsed 21 buildings including a hotel in eastern Turkey. More people are believed to have been trapped under the rubble. SAR (Search and Rescue) teams are trying to find possible survivors.

Update :  Nine planes carrying almost 300 additional rescue personnel have been dispatched to the quake region.

Update :   Koeri puts the epicenter right on the town of Edremit. It is unclear what effects the earthquake has had there in this town on the outskirts of Van located on Lake Van.

for more information, updates, and videos, go to:    http://earthquake-report.com/2011/11/09/aftershock-near-van-turkey-creates-more-destruction-and-human-misery/

Jeff Masters on Alaska Weather, Sean, etc.

Dr. Jeff Masters’ WunderBlog

Alaska blizzard pushes 8-foot storm surge into Nome; Sean heads towards Bermuda
Posted by: JeffMasters, 2:47 PM GMT on November 10, 2011 +3
The most powerful storm to affect the Bering Sea coast of Alaska since 1974 is slowly winding down today, after pounding Alaska’s west coast and Eastern Siberia with hurricane-force winds, a destructive storm surge more than 8 feet high, waves up to 40 feet high, and heavy snow. The highest wind gust recorded during the storm, 89 mph, was at Wales at the western tip of the Seward Peninsula, which forms the U.S. side of the Bering Strait. Hurricane force gusts were observed at seven locations in Alaska:Cape Lisburne… 81 mph at 7 am Wed
Gambell… … … 74 mph at 6 pm Tue
Kotzebue… … ..74 mph at 6 am Wed
Point Hope… … 78 mph at 5 am Wed
Savoonga… … ..76 mph at 7 pm Tue
Tin City… … ..85 mph at 12 am Wed
Wales… … … ..89 mph at 1:42 am Wed

A storm surge of 8.6 feet hit Nome, Alaska near 9 pm EST last night, pushed inland by sustained winds that reached 45 mph, gusting to 61 mph. Large waves on top of the surge encrusted with sea ice battered the coast, causing extensive damage and coastal flooding. Significant wave heights at the Bering Sea buoy north of the Aleutian Islands reached 40 feet during the peak of the storm. The last time Nome, Alaska saw a storm this strong was November 11 – 12 1974,when the city experienced sustained winds of 46 mph with gusts to 69 mph, a pressure that bottomed out at 969 mb, and a storm surge of 13 feet. The center of yesterday’s storm moved ashore over eastern Siberia near 12 UTC with a central pressure of 945 mb. The storm’s central pressure had risen to 958 mb this morning, with the center of the storm now located north of Siberia over the Arctic.


Figure 1. Observed storm surge at Nome, Alaska (green line). MLLW = Mean Lower Low Water, the water level at the lowest tide of the month. The top storm surge of 8.6 feet occurred near 02 GMT this morning (9 pm EST November 9, 2011.) Image credit: NOAA Tides and Currents.

My related blog posts:
Climate change likely to worsen erosion along the Alaska coast
The future of intense winters storms

Tropical Storm Sean
Tropical Storm Sean is on the move towards the northeast, towards a brush with Bermuda. Infrared satellite loopsreveal that Sean has not changed much in organization this morning. The storm has a respectable amount of heavy thunderstorm activity near its center that is relatively shallow, and Sean has at times been able to close off an eyewall, and has a ragged-looking eye. Bermuda radar shows one strong rain band from Sean has affected the island, with the bulk of Sean’s heavy thunderstorms well to the island’s southwest. Sustained winds at the Bermuda airport have been under 30 mph this morning, and Bermuda picked up 0.08″ of rain yesterday, and 0.24″ as of 9 am EST today. Sustained winds at buoy 41048, about 300 miles west of Bermuda were 40 mph at 7:50 am EST. Strong upper-level winds out of the west are creating about 20 knots of wind shear over Sean, which is low enough to allow some slow development. Ocean temperatures have fallen to 25°C (77°F), which just below the 26°C threshold typically needed for a tropical storm to maintain its strength.


Figure 2. Morning satellite image of Tropical Storm Sean.

Forecast for Sean
The latest SHIPS model forecast predicts wind shear will remain about where it is now through Friday morning. However, ocean temperatures will gradually cool to 24°C during this time, and it is questionable whether Sean will have a favorable enough environment to strengthen into a hurricane. The computer models show little development of Sean, with none of our reliable models predicting it will become a hurricane. Bermuda is the only land area that need concern itself with Sean, as the storm is now caught in a trough of low pressure that will accelerate the storm to the northeast. The center of Sean could pass close enough to Bermuda to bring the island heavy rain squalls and sustained winds of 40 – 45 mph on Friday. NHC is giving a 52% chance that Bermuda will receive tropical storm-force winds of 39 mph. Wind shear will rise to 30 – 50 knots on Friday, which should be able to rip the storm apart by Saturday.

Jeff Masters

Bye, Bye #55

So, YU55 has been here and gone.  Check out a video and more:

 

Huge Asteroid 2005 YU55 Zips by Earth in Rare Close Flyby

by Mike Wall, SPACE.com Senior Writer
Date: 08 November 2011 Time: 06:28 PM ET
Asteroid 2005 YU55
This radar image of asteroid 2005 YU55 was obtained on Nov. 7, 2011, at 11:45 a.m. PST (2:45 p.m. EST/1945 UTC), when the space rock was at 3.6 lunar distances, which is about 860,000 miles, or 1.38 million kilometers, from Earth.
CREDIT: NASA/JPL-Caltech

An asteroid the size of a city block zoomed inside the moon’s orbit today (Nov. 8) in a rare flyby that marked the closest approach to Earth by such a big space rock in 35 years.

The asteroid 2005 YU55 came within 201,700 miles (324,600 kilometers) of Earth at 6:28 p.m. EST (2328 GMT) Tuesday evening before speeding off into deep space once again at about 29,000 mph (46,700 kph).

The space rock is about 1,300 feet (400 meters) wide. An asteroid this large hasn’t come so near to Earth since 1976 and won’t again until 2028, researchers said.

The asteroid encounter brought 2005 YU55 closer than the moon, which orbits Earth at an average distance of 238,864 miles (384,499 km). But there was never any danger that 2005 YU55 would slam into Earth today.

Scientists eagerly awaited the close encounter all the same, since it’s providing an unprecedented opportunity to learn more about the asteroid and its orbit.

“We would really like to characterize it as much as possible, and learn about its past and about its future,” said Marina Brozovic, a scientist with NASA’s Near-Earth Object Office at the Jet Propulsion Laboratory (JPL) in Pasadena, Calif., before today’s flyby. “I really can’t wait to see the images.”

Photos and videos of asteroid 2005 YU55 released by NASA just before and during the flyby revealed the space rock to be a relatively round but lumpy object. [See the latest photos and videos of asteroid 2005 YU55]

Studying 2005 YU55

Astronomers are taking advantage of the close encounter with 2005 YU55, which was discovered in 2005 by Robert McMillan of the University of Arizona’s Lunar and Planetary Laboratory.

Scientists have trained a suite of instruments on the asteroid, including giant radio telescopes at the Arecibo observatory in Puerto Rico and NASA’s Deep Space Network facility in Goldstone, Calif.

The aim is to get a better idea of 2005 YU55’s size, surface features, rotational period and orbit, researchers said.

2005 YU55 makes one complete lap around the sun every 15 months. Astronomers have already determined that the asteroid poses no threat to Earth for at least the next century, but observations made during this close approach should help them predict its movements even further into the future.

“For many centuries, we’ll know exactly where this object is going to be,” Brozovic said.

NASA has already released a new image of 2005 YU55 taken by the big Goldstone antenna, with many more surely on the way. And several organizations, including the Clay Center Observatory in Massachusetts and the online telescope service Slooh, provided live webcasts of the space rock’s close flyby.

2005 YU55 sky chart
This sky chart shows the motion of asteroid 2005 YU55 as it zooms by Earth on the evening of Nov. 8, 2011.
CREDIT: Sky & Telescope magazine (http://SkyandTelescope.com)

Still visible in telescopes

Skywatchers under clear, dark skies still have a chance to spot 2005 YU55 before it disappears into deep space. The best time to look up is a few hours after closest approach, according to Sky & Telescope magazine.

You’ll need a telescope to find the space rock, which is relatively small and dim. Any scope with an aperture greater than 6 inches should be able to spot 2005 YU55, experts say.

The tricky part will be knowing where to look, since 2005 YU55 will be moving across the sky at about 7 degrees per hour (your clenched fist held at arm’s length measures about 10 degrees). You can look up the asteroid’s coordinates at JPL’s Solar System Dynamics website, which is found here:http://ssd.jpl.nasa.gov/.

if you missed the video, you can get it here, at the article’s source:   http://www.space.com/13549-huge-asteroid-2005yu55-close-earth-flyby.html

Video of El Hierro Volcano

El Hierro Volcano (Canary Islands) : Red alert – video recorded from an helicopter on November 8

Last update: November 9, 2011 at 3:28 pm by By 

Update 09/11 – 15:09 UTC : 
Helicopter video footage from yesterday November 8 as published by Diario El Hierro (video recorded by the Cabildo El Hierro)

(video on website below or @http://www.youtube.com/watch?v=HFaZK6rE2vM&feature=player_embedded)

YouTube Direkt

Update 09/11 – 14:01 UTC : 
– Joke has just reported that she had spoken to the technicians and the Cabildo (authorities).  The technicianstold her that the installation of the webcam was almost finished and that only the software had to be configured. The least that we can say is that this news is hopeful !
– Pevolca did meet at noon and as could be expected nothing new has been decided

Update 09/11 – 13:04 UTC : 
The Rámon Margalef has been throwing a buoy near the eruption vent yesterday. The ship is now circling the area. What the ship is doing know can be called a calculated risk. We have to admit that the ship is doing great work in continuous sampling of the emitted gases and the water (he has been observed many times at the edge of the stain the last couple of days). As Patrick Allard was telling in this article before, the composition of the gases is predominant in calculating the risk for the population.
– El Pinar webcam is live again, but it is hard to see any detail in the sea due to the back-light

Update 09/11 – 12:41 UTC : 
Picked up from the comments made below (Name and address known @ ER)
Cabildo de El Hierro and Telefonica are installing 2 webcams in La Restinga to enable people to follow LIVE the eruption events.
Cabildo de El Hierro y Telefónica ya están instalando 2 webcam en La Restinga para el seguimiento en directo del fenómeno eruptivo Twitter
If this message is confirmed, this is really good news, as Telefonica is the main telecommunications company in Spain and is maybe the only instance who is able to guarantee huge amounts of traffic.

Very Important Update 09/11 – 12:22 UTC :
– Scientists in La Restinga and Guardia Civil who is currently flying over the earlier jacuzzi location  have reported that the vent has probably closed completely. The activity has completely stopped at the moment. The Rámon Margalef Oceanographic ship is now close to the eruption vent is is probably taking gas samples and water samples.
We expect to publish images soon.
The closure of erupting vents is a normal phase in this kind of activity. This does not mean that the volcano activity is completely over. If the volcano continues in the same pattern, the seismic activity may getting stronger again as the magma trying to find his way to the surface has been blocked.

for more and updates, go to:    http://earthquake-report.com/2011/09/25/el-hierro-canary-islands-spain-volcanic-risk-alert-increased-to-yellow/

So What Is Going on in Iceland?

Why Iceland Should Be in the News, But Is Not

By Deena Stryker

An Italian radio program’s story about Iceland’s on-going revolution is a stunning example of how little our media tells us about the rest of the world. Americans may remember that at the start of the 2008 financial crisis, Iceland literally went bankrupt.  The reasons were mentioned only in passing, and since then, this little-known member of the European Union fell back into oblivion.

As one European country after another fails or risks failing, imperiling the Euro, with repercussions for the entire world, the last thing the powers that be want is for Iceland to become an example. Here’s why:

Five years of a pure neo-liberal regime had made Iceland, (population 320 thousand, no army), one of the richest countries in the world. In 2003 all the country’s banks were privatized, and in an effort to attract foreign investors, they offered on-line banking whose minimal costs allowed them to offer relatively high rates of return. The accounts, called IceSave, attracted many English and Dutch small investors.  But as investments grew, so did the banks’ foreign debt.  In 2003 Iceland’s debt was equal to 200 times its GNP, but in 2007, it was 900 percent.  The 2008 world financial crisis was the coup de grace. The three main Icelandic banks, Landbanki, Kapthing and Glitnir, went belly up and were nationalized, while the Kroner lost 85% of its value with respect to the Euro.  At the end of the year Iceland declared bankruptcy.

Contrary to what could be expected, the crisis resulted in Icelanders recovering their sovereign rights, through a process of direct participatory democracy that eventually led to a new Constitution.  But only after much pain.

Geir Haarde, the Prime Minister of a Social Democratic coalition government, negotiated a two million one hundred thousand dollar loan, to which the Nordic countries added another two and a half million. But the foreign financial community pressured Iceland to impose drastic measures.  The FMI and the European Union wanted to take over its debt, claiming this was the only way for the country to pay back Holland and Great Britain, who had promised to reimburse their citizens.

Protests and riots continued, eventually forcing the government to resign. Elections were brought forward to April 2009, resulting in a left-wing coalition which condemned the neoliberal economic system, but immediately gave in to its demands that Iceland pay off a total of three and a half million Euros.  This required each Icelandic citizen to pay 100 Euros a month (or about $130) for fifteen years, at 5.5% interest, to pay off a debt incurred by private parties vis a vis other private parties. It was the straw that broke the reindeer’s back.

What happened next was extraordinary. The belief that citizens had to pay for the mistakes of a financial monopoly, that an entire nation must be taxed to pay off private debts was shattered, transforming the relationship between citizens and their political institutions and eventually driving Iceland’s leaders to the side of their constituents. The Head of State, Olafur Ragnar Grimsson, refused to ratify the law that would have made Iceland’s citizens responsible for its bankers’ debts, and accepted calls for a referendum.

Of course the international community only increased the pressure on Iceland. Great Britain and Holland threatened dire reprisals that would isolate the country.  As Icelanders went to vote, foreign bankers threatened to block any aid from the IMF.  The British government threatened to freeze Icelander savings and checking accounts. As Grimsson said: “We were told that if we refused the international community’s conditions, we would become the Cuba of the North.  But if we had accepted, we would have become the Haiti of the North.” (How many times have I written that when Cubans see the dire state of their neighbor, Haiti, they count themselves lucky.)

In the March 2010 referendum, 93% voted against repayment of the debt.  The IMF immediately froze its loan.  But the revolution (though not televised in the United States), would not be intimidated. With the support of a furious citizenry, the government launched civil and penal investigations into those responsible for the financial crisis.  Interpol put out an international arrest warrant for the ex-president of Kaupthing, Sigurdur Einarsson, as the other bankers implicated in the crash fled the country.

But Icelanders didn’t stop there: they decided to draft a new constitution that would free the country from the exaggerated power of international finance and virtual money.  (The one in use had been written when Iceland gained its independence from Denmark, in 1918, the only difference with the Danish constitution being that the word ‘president’ replaced the word ‘king’.)

To write the new constitution, the people of Iceland elected twenty-five citizens from among 522 adults not belonging to any political party but recommended by at least thirty citizens. This document was not the work of a handful of politicians, but was written on the internet. The constituent’s meetings are streamed on-line, and citizens can send their comments and suggestions, witnessing the document as it takes shape. The constitution that eventually emerges from this participatory democratic process will be submitted to parliament for approval after the next elections.

Some readers will remember that Iceland’s ninth century agrarian collapse was featured in Jared Diamond’s book by the same name. Today, that country is recovering from its financial collapse in ways just the opposite of those generally considered unavoidable, as confirmed yesterday by the new head of the IMF, Christine Lagarde to Fareed Zakaria. The people of Greece have been told that the privatization of their public sector is the only solution.  And those of Italy, Spain and Portugal are facing the same threat.

They should look to Iceland. Refusing to bow to foreign interests, that small country stated loud and clear that the people are sovereign.

That’s why it is not in the news anymore.

 

Stryker is an American writer that has lived in six different countries, is fluent in four languages and a published writer in three. She looks at the big picture from a systems and spiritual point of view.

This article was originally published by the Daily Kos. SACSIS cannot authorise its republication.

from:    http://sacsis.org.za/site/article/728.1

Undersea Volcano off Canary Islands

Canary Islands Eruption

Undersea Volcano Now Just 70 Meters from Surface

Photo Gallery: The Growing Undersea Mountain off El Hierro

Fotos
DPA/ IGN

In the Atlantic Ocean, off the Canary Island of El Hierro, 20-meter high jets of water are being spat into the air as the sea boils amid the stench of sulfur. The undersea volcano, which is set to create new land, is growing ever-nearer to the surface — but is the existing island at risk from the explosive eruptions?

The monster rises out of the water”, screamed the Spanish newspaper La Provincia. Scientists, meanwhile, are being a bit more level-headed about the undersea volcano south of El Hierro in the Canary Islands; they now believe it is in the third phase of its eruption — fountains of water have been shooting out of the Atlantic up to 20 meters in the air over the last few days. On Tuesday, some local residents even saw stones being catapulted out of the sea.

A seething maelstrom, dozens of meters across, is bubbling away in the ocean. Measurements show that the vortices are significantly warmer than the surrounding water.

So far, the volcano has only shown its explosive power beneath the water. But now the outbursts to the south of El Hierro are frothing up the surface, as if the ocean had hiccups. The lava is piling up on an underwater mountain. That the eruption is capable of firing jets of water into the air shows that this mountain is growing — the center of the eruption is approaching the surface. Geologists believe that new land could soon emerge from the sea, and islanders are alreadylooking for a name for the new territory. There are only 70 meters to go until the mountain reaches the surface, experts from Spain’s National Geographic Institute (IGN) have reported.

But how big is the risk to nearby residents? Last weekend, hundreds of people had to leave their homes in the southern part of El Hierro as streets were closed. And locals can quite literally smell the danger — stinking sulfur fumes are drifting across the ocean. The Volcanology Institute of the Canaries, Involcan, has reported a three-fold increase in carbon dioxide levels — a warning signal that further volcanic activity can be expected.

Clear Sign of Impending Eruptions

Seismic disturbances on the seabed have also been spreading. Since July, more than 10,000 minor earthquakes have shaken El Hierro, but since Oct. 22, the tremors have become increasingly stronger with some even surpassing four on the Richter scale. The quakes are showing a pattern typical of flowing magma, the so-called harmonic volcanic tremor — a clear sign of impending eruptions.

And scientists have been warning since September that if and when those eruptions do occur, they could well happen on land. In recent days, the tremors have shifted from the south to the north of El Hierro. Because most of the quakes there had occurred at a depth of ten kilometers or greater, there was probably no immediate risk of an eruption in the area, the local authorities had said. The magma had been confined to the deep.

But it has now started moving upwards — the most recent earthquakes have been shallower.

There could soon be eruptions in or near the El Golfo valley on the northern coast, the IGN has warned. And an outpouring of lava could prove dangerous not only if it happens on land, but also in shallow water, where it could result in large steam explosions, says Ramon Ortiz, scientific adviser to the local government.

Hot Spot Volcanoes

Off the southern coast, meanwhile, pumice stones and a massive sea of ash are drifting across the water. An initial analysis of the material produced by the volcano so far has surprised experts: It provided “clear evidence of the explosive potential” of the volcano, geochemist Domingo Gimeno Torrent of the University of Barcelona told the El Hierro Diaro newspaper.

Most so-called hot spot volcanoes, like those in the Canaries, produce basaltic magma with a relatively small proportion of silicon dioxide (SiO2). SiO2 acts like a glue, producing very viscous magma, leading to a buildup of gases which results in an explosive mixture. The Geochemist Torrent said the El Hierro volcano, however, is feeding off two supplies of lava; a less volatile basalt magma and a much more explosive, SiO2-rich magma.

 

The risk of large, explosive eruptions in the Canary Islands “should not be neglected,” warned geoscientist Rosa Sobradelo from the Spanish National Research Council (CSIC) in Barcelona in a report in the “Natural Hazards and Earth System Sciences” journal. How often such events happen is unknown. But even the most momentous explosions of the past few centuries remained localized.

And there are no fears of large eruptions on land, according to the IGN. The only risk is in the immediate vicinity of the eruption site, where there may be lava flows and rocks flung into the air.

from:    http://www.spiegel.de/international/europe/0,1518,796612,00.html