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Archive for the ‘seismic hazard report’ Category

Strong Earthquake Strikes Guatemala

Posted by feww on April 18, 2010

Strong quake measuring up to 5.7Mw strikes western Guatemala

The quake was centered at 14.526°N, 92.010°W and struck at a depth of about 57km on Sunday April 18, 2010 at 13:30:58 UTC.

The epicenter  was about 50 km (30 miles) SE of Tapachula, Chiapas, Mexico
and 65 km (40 miles) WSW of Quezaltenango, Guatemala. There were no reports of damage or injuries, as of posting.

10-degree Map Centered at 15°N,90°W


Earthquake Location Map. Source: USGS/EHP.

Related Links:

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Strong Earthquake Strikes Offshore Guatemala

Posted by feww on January 19, 2010

Quake Measuring Up to Magnitude 6.1 Strikes Offshore Guatemala

Strong earthquake measuring as large as 6.1Mw struck south of Guatemala about 85 km (55 miles) WSW of Santa Ana, El Salvador and 105 km (65 miles) SSE of GUATEMALA CITY, Guatemala, at a depth of  about 50km on January 18, 2010 at 15:40 UTC.

This quake may (have) cause (caused) landslides in the mountainous regions of both El Salvador and Guatemala, which have not yet been detected (reported).

Tsunami Report

The quake was not large enough, and struck deep, to create a tsunami.

Location Reports:

The earthquake shook the buildings in El Salvador capital city of  San Salvador  causing panic among the residents, but did not cause any damage, according to Latin Press.

“We felt a tremor that was a bit strong. We are monitoring the area but there is no damage here. It was a light movement that lasted for a few seconds,” said a tourism official from the Guatemalan tourist office in Puerto Quetzal, on the country’s south coast, according to Reuters.

10-degree Map Centered at 15°N,90°W


Earthquake location Map. Source: USGS/EHP. Enhanced by FEWW

Earthquake Details:

  • Magnitude: 5.8 [FEWW Estimate: As large as 6.1Mw ]
  • Date-Time:
    • Monday, January 18, 2010 at 15:40:27 UTC
    • Monday, January 18, 2010 at 09:40:27 AM at epicenter
  • Location: 13.696°N, 90.333°W
  • Depth: 54.8 km (34.1 miles)
  • Region: OFFSHORE GUATEMALA
  • Distances:
    • 85 km (55 miles) WSW of Santa Ana, El Salvador
    • 105 km (65 miles) SSE of GUATEMALA CITY, Guatemala
    • 115 km (75 miles) W of SAN SALVADOR, El Salvador
    • 1140 km (710 miles) ESE of MEXICO CITY, D.F., Mexico
  • Location Uncertainty: horizontal +/- 6.3 km (3.9 miles)
  • Source: USGS NEIC (WDCS-D)
  • Event ID: us2010rqb3

Seismic Hazard Map


Click image to enlarge. Source: USGS/EHP. Enhanced by FEWW

Related Links:

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Powerful EQ Strikes E of Bristol I., SSI

Posted by feww on January 5, 2010

Powerful quake measuring up to M 7.0 strikes E of Bristol Island, South Sandwich Islands

The quake struck at 58.101°S, 14.867°W, about 685 km east of Bristol Island, South Sandwich Islands, at a depth of 10km on Tuesday, January 05, 2010 at 04:56 UTC

Tsunami Evaluation:

NO threat of a destructive widespread tsunami, NOAA/NWS/West Coast and Alaska Tsunami Warning Center said.

  • Earthquake Details:
  • Magnitude:  6.7  [Maximum EQ magnitude estimated at 7.5 Mw by FireEarth]
  • Date-Time
    • Tuesday, January 05, 2010 at 04:55:39 UTC
    • Tuesday, January 05, 2010 at 03:55:39 AM at epicenter
  • Location: 58.101°S, 14.867°W
  • Depth: 10 km (6.2 miles)
  • Region: EAST OF THE SOUTH SANDWICH ISLANDS
  • Distances:
    • 685 km (425 miles) E of Bristol Island, South Sandwich Islands
    • 3660 km (2270 miles) SSW of Cape Town, South Africa
  • Location Uncertainty: horizontal +/- 10.3 km (6.4 miles)
  • Source: USGS NEIC (WDCS-D)
  • Event ID: us2010rcat

10-degree Map Centered at 60°S,10°W


Earthquake location Map. Source: USGS/EHP. Enhanced by FEWW
.

Related Links:

Posted in earthquake, earthquake forecast, seismic activity report, seismic hazard report | Tagged: , , , | 2 Comments »

Strong Quake Strikes SE of the Loyalty Islands

Posted by feww on December 9, 2009

New Episodes of Intense Seismicity Before Year End Highly Probable

Earthquake Measuring Up to 6.7 Mw Strikes Southeast of the Loyalty Islands

Strong Earthquake Measuring up to Magnitude 6.7 struck 120 km west of Ile Hunter, Loyalty Islands, New Caledonia, at a depth of about 60km on December 09, 2009 at 09:46 UTC.

The earthquake occurred about 42 km NNW of the Matthew Island volcano. Since November 2008 at least a half dozen strong quakes measuring between 6.1 and 6.8Mw have struck close to the volcano.

Special Interest: Sumatra’s Mt Kerinci Erupts

10-degree Map Centered at 20°S,170°E


Earthquake location Map. Source: USGS/EHP. Enhanced by FEWW.

Earthquake Details:

  • Magnitude:  [Maximum quake magnitude estimated at 6.7 Mw by FEWW]
  • GFZ Potsdam – Earthquake Bulletin
  • Region: Southeast of Loyalty Islands
  • Time: 2009-12-09 09:46:05.7 UTC
  • Epicenter: 170.96°E 22.24°S
  • Depth: 59 km
  • Status: manually revised

Historic Seismicity (Source: USGS/EHP)

Seismic Hazard Map (Source: USGS/EHP)

Related Links:

Posted in earthquake forecast, hunter island, intense seismicity, Quake analysis, seismic hazard report | Tagged: , , , , , | 4 Comments »

Powerful quake shakes Sumbawa, Indonesia

Posted by feww on November 8, 2009

M7.0 Earthquake Strikes Sumbawa, Indonesia

Powerful earthquake measuring up to 7.0Mw struck Indonesia’s Sumbawa region, about 77 km east of Tambora volcano and at an estimated  depth of 18 km, November 8, 2009 at 19:41 UTC.

Mount Tambora’s 1815 eruption (Volcanic  Explosivity Index of 7) was the largest in modern history, and perhaps the deadliest of all time, with up to an estimated 100,000 people losing their lives as a result.

Alarmed by its findings concerning the prospect of intense seismic activity in the region, FEWW featured Mt Tambora in its weekly volcano watch VolcanoWatch Weekly  dated 23 July 2009.

See also September 28, 2009 entry:  Up to 3 More Large EQs Could Strike the Pacific Ring of Fire in 2009

FEWW Moderators believe that further, intense seismic activity would most likely occur in the region in the near future.

10-degree Map Centered at 10°S,120°E

sumbawa - I
Earthquake location Map. Source: USGS/EHP. Enhanced by FEWW

Earthquake Details:

  • Magnitude: 6.7  [Maximum quake magnitude estimated by FEWW at 7.0 Mw]
  • Date-Time:
    • Sunday, November 08, 2009 at 19:41:44 UTC
    • Monday, November 09, 2009 at 03:41:44 AM at epicenter
  • Location: 8.316°S, 118.697°E
  • Depth: 18.3 km (11.4 miles) (poorly constrained)
  • Region: SUMBAWA REGION, INDONESIA
  • Distances:
    • 15 km (10 miles) NNW of Raba, Sumbawa, Indonesia
    • 310 km (190 miles) ENE of Mataram, Lombok, Indonesia
    • 330 km (205 miles) W of Ende, Flores, Indonesia
    • 1335 km (830 miles) E of JAKARTA, Java, Indonesia
  • Location Uncertainty: horizontal +/- 9.3 km (5.8 miles); depth +/- 33 km (20.5 miles)
  • Source:  USGS NEIC (WDCS-D)
  • Event ID: us2009nta5

Tsunami Info:

NOAA Pacific Tsunami Warning Center Center issued the following evaluation:

A destructive widespread tsunami threat does NOT exist based on   historical earthquake and tsunami data.   However – there is a very small possibility of a local tsunami that could affect coasts located usually no more than a hundred kilometers from the earthquake epicenter. Authorities in the region near the epicenter should be made aware of this possibility.

Historic Seismicity

neic_nta5_7  indonesia 9Nov09
Major Tectonic Boundaries: Subduction Zones -purple, Ridges -red and Transform Faults -green- USGS/EHP

Seismic Hazard Map

neic_nta5_w - 9Nov09

Major Tectonic Boundaries: Subduction Zones -purple, Ridges -red and Transform Faults -green- USGS/EHP

Related Links:

Other Related Links [Including FEWW forecasts]

Posted in earthquake forecast, Earthquakes, feww earthquake forecast, Indonisia earthquakes, seismic activity report, seismic hazard report | Tagged: , , , , , , , , , | 1 Comment »

Hindu Kush Rattled by Another Strong Quake

Posted by feww on October 30, 2009

Strong quake measuring up to 6.3 magnitude shook Hindu Kush Region, Afghanistan

The event was consistent with FEWW Forecast

The quake struck about 18 km WSW of another strong quake which struck the region a week ago.

10-degree Map Centered at 40°N,70°E

hindukush 10-30-2009
Earthquake Location Map. Source: USGS/EHP. Map enhanced by FEWW.

Earthquake Details

  • Magnitude: 6.0 [Maximum quake magnitude estimated by FEWW at 6.3 Mw]
  • Date-Time: Thursday, October 29, 2009 at 17:44:31 UTC
    [Thursday, October 29, 2009 at 10:14:31 PM at epicenter]
  • Location: 36.434°N, 70.731°E
  • Depth: 205.6 km (127.8 miles)
  • Region:  HINDU KUSH, AFGHANISTAN
  • Distances:
    • 75 km (45 miles) SSE of Feyzabad, Afghanistan
    • 130 km (80 miles) WNW of Chitral, Pakistan
    • 140 km (90 miles) SSW of Khorugh, Tajikistan
    • 255 km (160 miles) NNE of KABUL, Afghanistan
  • Location Uncertainty:  horizontal +/- 4.5 km (2.8 miles); depth +/- 7 km (4.3 miles)
  • Source: USGS NEIC (WDCS-D)
  • Event ID:  us2009niba

hindu kush
Earthquake Location Map. Source: USGS/EHP. Map enhanced by FEWW.

After an earlier event in the area, a magnitude 6.4 quake which struck close to today’s epicenter almost exactly a week ago, FEWW forecast:

Further seismicity in the region should be expected in the coming days and weeks. An earthquake measuring up to 8.4 may occur in the region with a probability of 60 percent.”

Historic Seismicity Map

hist seis
Major Tectonic Boundaries: Subduction Zones -purple, Ridges -red and Transform Faults -green- (Source: USGS/EHP)

Related Links:

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Powerful Earthquake Strikes Banda Sea

Posted by feww on October 25, 2009

Powerful Quake Measuring up to 7.3 Magnitude Strikes Banda Sea

A powerful earthquake measuring up to 7.3 Mw struck Banda Sea about 40 km WNW of Serua volcano and 65 km south of Manuk volcano, on Saturday, October 24, 2009 at 14:41 UTC.

The quake occurred at 6.161°S, 130.346°E, some 230 km  NNW of Saumlaki, Tanimbar Islands, Indonesia, at a depth of about 140 km. It was followed by a moderate quake measuring up to 5.3 Mw, which struck at 6.749°S, 131.601°E, on Sunday, October 25, 2009 at 00:35:06 UTC.

On February 21, 1938, a large quake measuring M 8.5 struck about 185 km northeast of Saturday’s quake  at a depth of 25km.

FEWW Forecast:

Based on an analysis of seismic activity in the region, FEWW Moderators believe a large earthquake measuring up to M 8.6 could strike Banda Sea in the next 3 – 6 months. Additional events measuring 6.0 to 7.6 Mw could also be expected in the region, anytime.

See also Earthquake Forecast: Timor Sea

10-degree Map Centered at 5°S,130°E

banda sea 25-10-09
Earthquake Location Map. Source: USGS/EHP. Enhanced by FEWW

Tsunami Warning:

This earthquake was located too deep inside the earth to generate a destructive tsunami in the Indian ocean, NOAA PTWC said.

Earthquake Details

  • Magnitude:  [7.3 Mw – estimated by FEWW]
  • Date-Time:
    • Saturday, October 24, 2009 at 14:40:44 UTC
    • Saturday, October 24, 2009 at 11:40:44 PM at epicenter
  • Location: 6.161°S, 130.346°E
  • Depth: 138.5 km (86.1 miles)
  • Region: BANDA SEA
  • Distances:
    • 230 km (145 miles) NNW of Saumlaki, Tanimbar Islands, Indonesia
    • 365 km (225 miles) SE of Ambon, Moluccas, Indonesia
    • 700 km (435 miles) N of DARWIN, Northern Territory, Australia
    • 2610 km (1620 miles) E of JAKARTA, Java, Indonesia
  • Location Uncertainty:  horizontal +/- 6.6 km (4.1 miles); depth +/- 9.2 km (5.7 miles)
  • Source:USGS NEIC (WDCS-D)
  • Event ID: us2009ndan

Population Exposure:

Overall, the population in this region resides in structures that are vulnerable to earthquake shaking, though some resistant structures exist. A magnitude 6.6 earthquake 360 km Northwest of this one struck Indonesia on March 12, 1983 (UTC), with estimated population exposures of 126,000 at intensity VII and 204,000 at intensity VI, with no reported fatalities. On June 17, 1987 (UTC), a magnitude 7.1 earthquake 82 km Northeast of this one struck Indonesia, with estimated population exposures of 1,000 at intensity VI and 82,000 at intensity V, with no reported fatalities. Source: USGS/EHP

Estimated Population Exposed to Earthquake Shaking

Historic Seismicity

neic_ndan_7 25-10-09
Major Tectonic Boundaries: Subduction Zones -purple, Ridges -red and Transform Faults -green

neic_ndan_w - SeisHaz 25-10-09
Major Tectonic Boundaries: Subduction Zones -purple, Ridges -red and Transform Faults -green

Related Links:

Posted in earthquake forecast, Earthquakes, feww earthquake forecast, seismic activity report, seismic hazard report | Tagged: , , , , , , , , , , | 1 Comment »

Strong Earthquake Rattles Hindu Kush, Afghanistan

Posted by feww on October 23, 2009

Strong Quake Measuring as Large as M6.5 Rattles Hindu Kush, Afghanistan

An earthquake measuring as strong as 6.5Mw struck the Hindu Kush region, shaking northern Afghanistan and Pakistan early Friday, local time.

The epicenter was located at 36.471°N, 70.925°E  in the Hindu Kush mountain range about 75 km (50 miles) SSE of Feyzabad, Afghanistan, striking at a depth of about 197 km.

There have been no immediate reports of casualties or structural damage, however, news from the remote mountainous areas may take some time to reach the outside world.. However, frightened locals were reportedly seen escaping into the open areas in Islamabad, Lahore, Peshawar and Rawalpindi and other major cities in the region. A news report said buildings in Kabul (the Afghan capital) shook during the earthquake.

10-degree Map Centered at 35°N,70°E

hindu kush
Earthquake Location Map. Source: USGS/EHP. Map enhanced by FEWW.

Historic Seismicity

More than a dozen EQs measuring 5.0 to 6.0 Mw have struck the immediate region since August 2008. The latest quake occurred about  240 km southeast of a major quake measuring more than 8.0Mw, which struck the region 102 years earlier almost to the date,  on October 21, 1907 at 04:23 UTC at a depth of 35 km.

Other quakes in the region:

  • Magnitude 6.5, on December 12, 2005 at 21:47:46 UTC –  Location 36.332°N, 71.130°E – Depth 225.4 km  – Distances: 95 km (60 miles) NW of Chitral, Pakistan; 95 km (60 miles) SSE of Feyzabad, Afghanistan; 135 km (85 miles) SSW of Khorugh, Tajikistan; 350 km (220 miles) NNW of ISLAMABAD, Pakistan. (5 people killed, another 28 injured.)
  • Magnitude 6.6, Monday, April 5, 2004 at 21:24:04 (UTC); Location 36.527°N, 71.028°E;  Depth 191.4 km – Distances: 75 km (45 miles) SSE of Feyzabad, Afghanistan; 110 km (70 miles) NW of Chitral, Pakistan; 120 km (75 miles) SSW of Khorugh, Tajikistan; 280 km (175 miles) NE of KABUL, Afghanistan. (3 people killed, at least a dozen injured.)
  • Magnitude 6.1,  25 March 25,  2002 at 14:56:33 UTC; Location 36.06N 69.31E; Depth 8.0 kilometers – Distances 160 km (100 miles) SW of Feyzabad, Afghanistan; 170 km (105 miles) SE of Shaartuz, Tajikistanl; 170 km (105 miles) N of KABUL, Afghanistan; ;  210 km (130 miles) NNW of Jalalabad, Afghanistan.
    Remarks:
    At least 1,000 people killed, several hundred injured and several thousand homeless in Baghlan Province. At least 1,500 houses destroyed or damaged at Nahrin and several hundred more in other areas of Baghlan Province. Landslides blocked many roads in the epicentral area. Felt strongly in much of northern Afghanistan. Also felt in the Islamabad-Peshawar area, Pakistan and at Dushanbe, Tajikistan. [Source: USGS/EHP]
  • Magnitude 7.4, March 3,  2002 at 12:08:19 UTC; Location 36.50N 70.48E; Depth 225.0 kilometers – Distances: 65 km (40 miles) S of Feyzabad, Afghanistan; 150 km (90 miles) SW of Khorugh, Tajikistan; 150 km (95 miles) WNW of Chitral, Pakistan; 250 km (155 miles) NNE of KABUL, Afghanistan.
    Remarks:
    At least 166 people killed, several injured and 400 houses damaged or destroyed by a landslide that dammed and flooded Surkundara Valley, Samangan Province. At least 13 people killed at Kabul and Rostaq and 3 people killed in Bajaur, Pakistan. At least 300 houses destroyed in Badakhshan and Takhar Provinces. A 45 meter wide fissure opened in Xiker Reservoir in Xinjiang, China. Felt in much of Afghanistan and Pakistan. Felt (VI) at Dushanbe, Tajikistan. Felt (V) at Qarshi, Samarqand and Tashkent; (IV) at Andijon and Namangan, Uzbekistan. Felt (V) at Osh; (IV) at Batken and Sufi- Kurgan; (III) at Bishkek, Kyrgyzstan. Felt (III) at Shymkent, Taraz and Zhambyl, Kazakhstan. Also felt in India and Xinjiang, China. [Source: USGS/EHP]
  • Magnitude 7.8, March 14,  1965 AT 15:53:06 UTC  [NO FURTHER DETAILS AVAILABLE.] Remarks: Two people were injured at Peshawar, Pakistan. Slight damage occurred in Afghanistan and western Pakistan. The shock was felt as far away as New Delhi, India and Tashkent, Uzbekistan (Uzbek SSR, USSR).

FEWW Forecast:

Further seismicity in the region should be expected in the coming days and weeks. An earthquake measuring up to 8.4 may occur in the region with a probability of 60 percent.

This Earthquake

  • Magnitude:   6.2 [possibly as high as 6.5 Mw]
  • Date-Time:  Thursday, October 22, 2009 at 19:51:28 UTC   [Friday, October 23, 2009 at 12:21:28 AM at epicenter]
  • Location: 36.471°N, 70.925°E
  • Depth: 196.5 km (122.1 miles)
  • Region: HINDU KUSH REGION, AFGHANISTAN
  • Distances:
    • 75 km (50 miles) SSE of Feyzabad, Afghanistan
    • 115 km (70 miles) NW of Chitral, Pakistan
    • 130 km (80 miles) SSW of Khorugh, Tajikistan
    • 270 km (165 miles) NE of KABUL, Afghanistan
  • Location Uncertainty: horizontal +/- 7.3 km (4.5 miles); depth +/- 28.6 km (17.8 miles)
  • Source: USGS NEIC (WDCS-D)
  • Event ID:  us2009nbbf

Historic Seismicity Map

hist seis
Major Tectonic Boundaries: Subduction Zones -purple, Ridges -red and Transform Faults -green- (Source: USGS/EHP)

Related Links:


Posted in earthquake forecast, Earthquakes, feww earthquake forecast, seismic activity report, seismic hazard report | Tagged: , , , , , , | 1 Comment »

Strong Quake Strikes Sunda Strait, Indonesia

Posted by feww on October 16, 2009

Strong Quake Measuring up to 6.4 Mw Strikes Sunda Strait, Indonesia

Strong earthquake measuring about 6.4 Mw struck Sunda Strait about 180 km WSW of JAKARTA, island of Java, Indonesia, at a depth of about 55km on Friday, October 16, 2009 at 09:53 UTC.

Some buildings  in the capital, Jakarta, were reported as swaying by the officials. So far there are no reports damage or casualties. A magnitude 7.9 quake, which struck southern Sumatra on September 30, left up to 1,200 people dead.


The quake shook buildings as far away as Jakarta, causing some people to leave their homes and offices. (Photo: Amee Enriquez, JG). Image may be subject to copyright.

Earthquake Details:

GFZ Potsdam – Earthquake Bulletin
Region: Sunda Strait, Indonesia
Time: 2009-10-16 09:52:55.9 UTC
Magnitude: 6.2  [Maximum quake magnitude estimated by FEWW at 6.4Mw]
Epicenter: 105.45°E 6.47°S
Depth: 64 km
Status: automatic

10-degree Map Centered at 5°S,105°E

sunda strait 16 oct 09
Earthquake Location Map. Source: USGS/EHP. Enhanced by FEWW.

USGS/EHP Release

  • Magnitude: 6.1 [Maximum quake magnitude estimated by FEWW at 6.4Mw]
  • Date-Time:
    • Friday, October 16, 2009 at 09:52:52 UTC
    • Friday, October 16, 2009 at 04:52:52 PM at epicenter
  • Location: 6.613°S, 105.182°E
  • Depth: 50.6 km (31.4 miles)
  • Region: SUNDA STRAIT, INDONESIA
  • Distances:
    • 125 km (80 miles) S of T.-Telukbetung, Sumatra, Indonesia
    • 180 km (115 miles) WSW of JAKARTA, Java, Indonesia
    • 185 km (115 miles) W of Sukabumi, Java, Indonesia
    • 265 km (165 miles) W of Bandung, Java, Indonesia
  • Location Uncertainty: horizontal +/- 6.3 km (3.9 miles); depth +/- 8.8 km (5.5 miles)
  • Source: USGS NEIC (WDCS-D)
  • Event ID:  us2009mva4

Related Links [Including FEWW forecasts]

Posted in earthquake forecast, Earthquakes, feww earthquake forecast, seismic activity report, seismic hazard report | Tagged: , , , , , , | 1 Comment »

Powerful Quake Strikes Seabed Off W Indonesia

Posted by feww on August 16, 2009

A powerful earthquake measuring 6.7Mw strikes off the coast of western Indonesia

The powerful earthquake, originally reported as measuring 7.0Mw, struck in the Kepulauan Mentawai Region, Indonesia, about 110 km WSW of Padang, Sumatra, Indonesia, at a depth of 44.8km on Sunday August 16, 2009, USGS reported.

The earthquake, which was later downgraded by USGS EQ Hazard Program was followed by a cluster of  aftershocks at the time of writing, the largest of which measured 5.9Mw.

[ Note: FEWW Moderators have noted that at least a dozen or so earthquakes which were initially reported as measuring 6.0 or greater, have been subsequently downgraded by USGS without any explanation.  Moderators also noted an  earthquake reported in Alaska, which measured greater than 5.0, was withdrawn from the USGS report last week, again without any explanation.]

See also FEWW comments:

https://feww.wordpress.com/2009/08/03/magnitude-6-9-quake-strikes-gulf-of-california/#comment-3772

https://feww.wordpress.com/2009/08/03/magnitude-6-9-quake-strikes-gulf-of-california/#comment-3797

According to Indonesia’s Meteorological and Geophysics Agency there was NO tsunami warning.

Several people received minor injuries as they fled building in Padang, where a small number of buildings were damage, according to reports.

Earthquake Details

  • Magnitude: 6.7
  • Date-Time
    • Sunday, August 16, 2009 at 07:38:25 UTC
    • Sunday, August 16, 2009 at 02:38:25 PM at epicenter
  • Location: 1.397°S, 99.473°E
  • Depth: 44.8 km (27.8 miles)
  • Region:  KEPULAUAN MENTAWAI REGION, INDONESIA
  • Distances
    • 110 km (70 miles) WSW of Padang, Sumatra, Indonesia
    • 305 km (190 miles) SW of Pekanbaru, Sumatra, Indonesia
    • 560 km (345 miles) SSW of KUALA LUMPUR, Malaysia
    • 960 km (600 miles) WNW of JAKARTA, Java, Indonesia
  • Location Uncertainty: horizontal +/- 5.8 km (3.6 miles); depth +/- 10.2 km (6.3 miles)
  • Parameters: NST=240, Nph=240, Dmin=683.1 km, Rmss=1.04 sec, Gp= 22°, M-type=teleseismic moment magnitude (Mw), Version=8
  • Source: USGS NEIC (WDCS-D)
  • Event ID:  us2009kjak

10-degree Map Centered at 0°N,100°E

us2009kjak
Earthquake Location Map. Source: USGS

Historic Seismicity [USGS]

Historic Seismicity
Major Tectonic Boundaries: Subduction Zones -purple, Ridges -red and Transform Faults -green

Seismic Hazard Map [USGS]
Seismic Hazard Map
Major Tectonic Boundaries: Subduction Zones -purple, Ridges -red and Transform Faults -green

Related Links:

Posted in aftershocks, Kepulauan Mentawai, Pekanbaru, seismic activity, seismic hazard report | Tagged: , , , , | 4 Comments »