Magnitude 5.6 earthquake strikes the Chile – Bolivia salar region

Salt mounds in Salar de Uyuni, Bolivia. The Sa...

Salar de Uyuni - Image via Wikipedia

Earthquake Report comment :
Initially marked by GDACS as 6.1 and a depth of 100 km,  USGS later published a value of M 5.6 at a depth of 88 km.
The quake occurred in the greater Salar de Uyuni area, a natural wonder and also Unesco World Heritage.
The depth of the earthquake is normal for this subduction zone.
The last several weeks many a little weaker earthquakes occurred in this area.
GDACS issued immediately after the quake  a GREEN earthquake alert = very limited chance on damage and/or injuries
USGS Felt reports confirm a light shaking in de greater desert area of Bolivia and Chile.

Most important Earthquake Data:
Magnitude : Mb 5.6
Friday, October 22, 2010 at 03:31:33 PM at epicenter
Depth (Hypocenter) : 88.4 km
Geo-location(s) :
175 km (110 miles) WSW of Uyuni, Bolivia
185 km (115 miles) NNE of Calama, Antofagasta, Chile
195 km (120 miles) ESE of Iquique, Tarapaca, Chile

Links to important maps
USGS Did You Feel It Map
Google satellite map of the area showing the kind of terrain the earthquake took place
USGS Shaking map
USGS historic earthquakes map
USGS Pager Map
Live Seismograph in Chile

QuakeSOS has been developed to help actively people who are caught in an earthquake + delivers "Earthquake Report" information on your iPhoneQuakeSOS is a FREE iPhone application developed by Armand Vervaeck, the creator and main contributor to Earthquake Report. The Application simplifies immediate group communication to friends and family members (with your exact GPS location) and is constantly feeding the users with “Earthquake Report” news. Together with your own family and friends, QuakeSOS will be your closest earthquake friend.

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Powerful Magnitude 6.7 Gulf of California earthquake – P- and S-Wave seismograms

Though we included a live seismogram in one of our supporting articles, as the time passes the waves from the Gulf of California earthquake will disappear.
To avoid total erasing of this event, please find below the static seismogram from this M 6.7 earthquake.

Clicking on the image will lead you to the seismicnet website where seismograph builders are publishing their seismograms and their questions and answers.

An earthquake has always a P- and and S-wave, P being the first noticed, mostly seconds before the main tremor.

To understand P- and S-waves better, here is the wikipedia describing information (clicking on the link will give even more specialist details) :

P-Wave
P-waves are type of elastic wave, also called seismic waves, that can travel through gases (as sound waves), solids and liquids, including the Earth. P-waves are produced by earthquakes and recorded by seismometers. The name P-wave stands either for primary wave, as it has the highest velocity and is therefore the first to be recorded.

S-Wave
The S-wave, secondary wave or shear wave is one of the two main types of elastic body waves, so named because they move through the body of an object, unlike surface waves.
The S-wave move as a shear or transverse wave, so motion is perpendicular to the direction of wave propagation: S-waves, like waves in a rope, as opposed to waves moving through a slinky, the P-wave. The wave moves through elastic media, and the main restoring force comes from shear effects.

Earthquakes list October 22, 2010

M 5.6      2010/10/22 19:31    Depth 88.4 km     POTOSI, BOLIVIA – CHILE
03:31 PM (15:31) at epicenter
Please also read the detailed page of this earthquake (coming within a few minutes)

M 5.0      2010/10/22 18:23    Depth 141.9 km     MINDANAO, PHILIPPINES
October 23, 2010 at 02:23 AM at epicenter
On top of the subduction zone only a couple of km from Bagagna (10,106 inhabitants). Due to the dept and the moderate Magnitude this earthquake van be labeled as harmless.

M 4.7      2010/10/22 15:38    Depth 17.2 km     REYKJANES RIDGE
01:38 PM (13:38) at epicenter
Right on the fault line hundreds of kilometers from nearest Greenland.

M 4.1      2010/10/22 12:55    Depth 2 km      DODECANESE ISLANDS, GREECE
local time 15:55 at epicenter
30 km E Karpathos (pop 2,243) and approx. 40 km from the southern tip of the island of Rhodes

M 4.6      2010/10/22 12:11    Depth 628.0 km      FIJI REGION
October 23, 2010 at 12:11 AM at epicenter
3 minutes later another quake in the same area and the same depth

M 4.8      2010/10/22 12:08    Depth 662.3 km      FIJI REGION
October 23, 2010 at 12:08 AM at epicenter
Very deep in the mantle of the earth. With this Magnitude nobody will have felt it.

M 5.1      2010/10/22 09:08    Depth 26.0 km     CASPIAN SEA – NORTHWESTERN IRAN / AZERBAIJAN
12:08:29 PM at epicenter
4 minutes after the prior one, but more dangerous because of the Magnitude / Depth factor. Houses are especially vulnerable in this part of the world because of almost no earthquake proof building.

M 4.4      2010/10/22 08:34    Depth 57.0 km      CASPIAN SEA – NORTHWESTERN IRAN / AZERBAIJAN
12:04 PM at epicenter
Moderate earthquake at a different depth 30 minutes after the other one and almost at the same spot.

M 4.7      2010/10/22 08:26    Depth 51.9 km      OFF THE COAST OF TARAPACA, CHILE / PERU
03:26 AM at epicenter
Seaquake on top of the subduction zone in Northern Peru / Chile. Closest village : Boca del Rio (Peru). Closest towns : Tacna (Peru) and Arica (Chile)

M 4.5      2010/10/22 08:00    Depth 26.5 km      CASPIAN SEA – NORTHWESTERN IRAN
11:00 AM at epicenter
Moderate earthquake at a moderate depth with epicenter almost on the beach of Talishi and Choobar in Iran. Close to the border with Azerbaijan

M 4.9      2010/10/22 04:19    Depth 283.8 km      EASTERN NEW GUINEA REG, PAPUA NEW GUINEA
02:18 PM (14:18) at epicenter
Moderate deep earthquake at a short distance of Long island which carries a volcano lake with a beautiful name “Wisdom Lake“. Harmless because of Magnitude and depth.

M 5.1      2010/10/22 02:52    Depth 42.3 km      TONGA
03:52 PM (15:52) at epicenter
One in a series of earthquakes almost all of them at moderate Magnitude but always on the steep slope of the subduction area. If more powerful a real treat for a local tsunami. Nearest island (like most of the others : Pangai)

M 4.7      2010/10/22 02:08    Depth 10.0 km      CENTRAL MID-ATLANTIC RIDGE
October 21, 2010 at 11:08 PM (23:08) at epicenter
In the middle of the Atlantic Ocean. Hypocenter deep in the mantle of the earth. Epicenter in between Brazil and Cape Verde Islands.

M 4.8      2010/10/22 00:04    Depth 215.3 km      BANDA SEA
09:04 AM at epicenter
Hypocenter deep in the mantle of the earth. A a lot of people will not have felt this earthquake.
The epicenter is located very close to the epicenter of the M 6.9 earthquake.
The 2009 Banda Sea earthquake was an earthquake that occurred in the Banda Sea region, at 14:40:44 (UTC) on October 24, 2009, with a magnitude of 6.9 Mw. The location was 230 km north west of Saumlaki, Tanimbar Islands, Indonesia, 365 km south east of Ambon, Moluccas, Indonesia, 700 km north of Darwin, Northern Territory, Australia, and 2610 km east of Jakarta, Java, Indonesia. There were also fears of a tsunami, but the NOAA Pacific Tsunami Warning Center expected no tsunami. No damage or deaths were reported. (Source Wikipedia)

Earthquakes occurred on October 19 UTC, but on October 20 local time

M 5.0      2010/10/21 13:56    Depth 10.0 km     TONGA
October 22, 2010 at 02:56:26 AM at epicenter
Epicenter on top of the subduction zone and the closest to Pangai since the many quakes started in that area

seismograph - recordingUseful information to read this daily earthquake list
This earthquake list covers minor and major earthquakes in the world.
If a more detailed page is present, the earthquake line will be linked to the detailed page.
For your comfort, we will provide in most cases Google Satellite Map links to give you an idea where the earthquake struck, which terrain it happened and if villages or cities are located in the immediate vicinity. The reference for the time zone is UTC (Coordinated Universal Time, also called GMT)
The page is regularly updated to add new earthquakes.
green color = NOT dangerous for damage or injuries
orange color = MODERATE risk for damage or injuries
red color = CONSIDERABLE risk for damage or injuries

QuakeSOS has been developed to help actively people who are caught in an earthquake + delivers "Earthquake Report" information on your iPhoneQuakeSOS is a FREE iPhone application developed by Armand Vervaeck, the creator and main contributor to Earthquake Report. The Application simplifies immediate group communication to friends and family members (with your exact GPS location) and is constantly feeding the users with “Earthquake Report” news. Together with your own family and friends, QuakeSOS will be your closest earthquake friend.

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