San Salvador Earthquake 07/08

Strong (luckily deep) earthquake very close to San Salvador, El Salvador

Last update: July 8, 2013 at 5:18 am by By

Update 05:18 UTC : El Rosario (6000 inhabitants) is projected as the city who sustained the most shaking, a moderate shaking

Update 05:14 UTC : USGS expects 176000 people to have experienced a moderate shaking and more than 10 million a light shaking. Because of the depth of the earthquake, we are sure that the shaking will have been felt in a very wide radius (several hundred km)

Screen Shot 2013-07-08 at 07.16.19

Update 05:13 UTC : One of the biggest dangers of this earthquake will be “Landslides”. The earthquake was strong enough and lasted long enough to displace huge amounts of ground.

UPDATE:  Apart from some objects falling from shelves and some nervous times for the inhabitants, the earthquake as yet has not been reported to cause any major structural damage to housing.

The earthquake was right by the city of San Salvador which experienced major earthquakes in 1986 (1000+ killed) and 2001 (800+ killed).

The preliminary estimations of depth are 96km, and a magnitude of 5.9 however, over the coming minutes these will be revised, thus it is too early to call this non-damaging. It has been felt an intensity V-VI in San Salvador.

The epicenter is to the south east of San Salvador.

Screen Shot 2013-07-08 at 06.42.48

15km (9mi) SSW of El Rosario, El Salvador
27km (17mi) SW of Zacatecoluca, El Salvador
29km (18mi) ESE of La Libertad, El Salvador
31km (19mi) S of Santo Tomas, El Salvador
38km (24mi) SSE of San Salvador, El Salvador

Most important Earthquake Data:

Magnitude : 5.9

Local Time (conversion only below land) : 2013-07-07 20:52:45

GMT/UTC Time : 2013-07-08 02:52:45


El Salvador Earthquake — Effects

Strong wave destroys turtle eggs following earthquake in El Salvador

Last update: August 30, 2012 at 3:04 pm by By

A strange set of earthquake data occurred following the El Salvador earthquake a few days ago with various agencies giving very different magnitudes for the event.

A tsunami alert was also triggered and then was cancelled.

We have brief reports that have encircled the globe that the following damage occurred due to 3 strong waves after the earthquake:

A Zoological foundation has said that 3 waves up to 3m high (not 8m as stated in some reports) washed onshore and destroyed around 45000 just hatched turtle eggs. This is around 6% of the total endangered eggs saved in the last 1.5 years. These were all of the Ridley turtle variety which is very much endangered. It also destroyed the hatcheries for turtle protection.

– The tsunami waves washed up on about 150 people collecting the eggs to protect them in special pens

– The waves injured 6 of the people who were all saved.

– No other reports of damage or a felt tsunami have been made. The earthquake was barely felt in El Salvador.

– Over 200 aftershocks have since been registered.

Kemps Ridley Sea Turtle (Wikipedia Commons)

Most important Earthquake Data:
Magnitude : Ml6.7 (SNET), Mw7.3 (USGS)
UTC Time : 04:37:20 UTC  on the 27th August, 2012
Local time at epicenter : 22:37:20 on the 26th August, 2012
Depth (Hypocenter) : 51km (SNET), 20.3km (USGS)
Geo-location(s) : 110km from the South coast of El Salvador


Large Earthquake off El Salvador

Massive earthquake far out of the El Salvador coast

Last update: August 27, 2012 at 9:17 pm by By

Massive earthquake along the coast of El Salvador ??
Preliminary Magnitude and depth : M7.4 @ 52.9 km
Approx. 125 km out of the coast
Max. wave height along the Central America coast : 0.1 meter or NO danger
NO people are living within a radius of 100 km
Important Update : Confusion in seismic land : The 3 main international agencies are reporting very conflicting numbers. Geofon reports a Magnitude of M6.6 and EMSC only a M5.2
Our attention was attracted to the fact that we had very few readers from Central America which is opposite on what we see otherwise. Hard to believe that a massive quake at 50 km at 125 km out of the coasr would not be felt by people on land.
The central american agencies are simply not reporting an earthquake at the time of occurrence. This data looks more and more being a hoax
Update : All the agencies are now showing 7+ magnitudes for the El Salvador earthquake, EMSC and Geofon even at shallower depths
Update 05:40 UTC : We are still confused about this massive earthquake as the local agencies still do not list it including El Salvador’s SNET and as we had no abnormal number of Central American readers in the website
(Almost) Final update 06:47 : The mystery has finally been solved. SNET (El Salvador) has also listed the earthquake as an M6.7 earthquake at a depth of 50 km but more than 200 km out of the coast. Additionally, the hypocenter of the earthquake was located in the oceanic plate and not in the North American plate. This event was in other words an intra-plate event and not a subduction earthquake like most of the earthquakes are in the area.
Update 07:17 : A couple of 5+ aftershocks occurred in the greater epicenter area. USGS has located the epicenter of all events in the subduction zone below the continental plate while snet was putting it more into the ocean.
– To make the confusion complate, also USGS has now updated the hypocenter from a +50 km to a depth of 20.3 km.
– Ineter Nicaragua is reporting the mainshock as a Mc5.9!
Update 09:19 UTC : A new strong aftershock struck closer to the El Salvador coast.
Update 12:14 UTC : Tsunami calculations greatly depend upon the underlying earthquake parameters. In a first tsunami report GDACS based their calculations on a depth of 52.3 km (data according USGS preliminary report). A max. waveheight of 0.1 m was the result. After that USGS changed the depth of the hypocenter to 20.3 km a totally different calculation resulted in a max. wave pattern of 0.5 meter, a huge difference. As it was evening in the epicenter area, we guess that almost nobody would have seen the waves. This event is a reminder that seismology is not an exact science and has still a quiet important error margin.

Image courtesy GDACS


In El Salvador – Gold vs H20

Gold or Water? A Deadly Debate

To protect their water supply, Salvadorans are trying to ban corporate gold mining—and facing threats and violence as a result.
posted Aug 29, 2011


El Salvador Greenhouse

Photo by John Cavanagh

We are inside a greenhouse, gazing at row after row of hydroponic tomatoes and green peppers, learning why people in this community in northern El Salvador are receiving death threats. We have been sent byThe Nation magazine to chronicle the struggle by people here to protect their river from the toxic chemicals of global mining firms intent on realizing massive profits from El Salvador’s rich veins of gold.

Before going to the greenhouse, we spend the morning at the home of Carlos Bonilla, a farmer in his sixties whose handsome face is creased with the wisdom, suffering, and joy of decades of struggles for justice. Over a delicious meal of local tortillas, vegetables, and chicken, Carlos and a group of eight young people tell us their stories.

“We reject the image of us just as anti-mining. We are for water and a positive future. We want alternatives to feed us, to clothe us.”

These young people run a radio station, Radio Victoria, where they broadcast to a growing audience across this mountainous terrain. They tell us about giving air time to local leaders who, beginning seven years ago, found themselves facing a new threat: Mining firms, granted permits to explore for gold in the watershed of the great Lempa River (which supplies water to over half the country’s 6.2 million people), entered these communities with promises of jobs and prosperity.

Gold is now selling for more than $1500 an ounce. Local organizer Vidalina Morales tells us: “Initially, we thought mining was good and it was going to help us out of poverty…through jobs and development.”

But, then, a strange thing happened. A stream dried up near the exploration wells that a Canadian firm, Pacific Rim, was digging. Concerned, Vidalina and other activists traveled to nearby Honduras to meet with members of communities where large mining projects were already underway. They returned with grisly stories of cyanide poisoning the soil and water (cyanide is used to separate the gold from the surrounding rock), and people in mining areas suffering skin diseases and other ailments.

This wasn’t what they wanted, especially near the Lempa River. Local people in northern El Salvador began to organize against the mining firms. First, they linked up with other groups across this province of Cabañas to coordinate opposition. Next, they found allies in other provinces and in the capital San Salvador, and they formed a National Roundtable on Mining. After discussion and debate, the Roundtable decided that the only way to save their vital water source was to organize for a national ban on gold and other metals mining.

Then, they tell us, the death threats began. Some came as anonymous phone calls, some as untraceable text messages, some as people were stopped by men in cars. In June 2009, a dynamic local cultural leader, Marcelo Rivera, disappeared; his body was found in the bottom of a well, with signs of torture reminiscent of the bloody civil war that convulsed this region in the 1980s.

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