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Archive for the ‘Indonisia earthquakes’ Category

Strong Quake Strikes KEPULAUAN OBI, INDONESIA

Posted by feww on April 24, 2010

Magnitude 6.4 Earthquake Strikes KEPULAUAN OBI, INDONESIA

Strong earthquake measuring 6.4Mw Struck about 205 north of Ambon, Moluccas, Indonesia, just south of the equator.

The earthquake was centered at 128.22°E, 1.85°S  and occurred at a depth of about 41km on Saturday, April 24, 2010 at 07:41:02 UTC.

NO tsunami warning/advisory was issued, and as of posting there was no report of damage or casualties.

Indonesian islands sit atop numerous fault line, which make the region one of the most seismically active areas on the planet. See below for a list of the quake in the region.

GFZ Potsdam – Earthquake Bulletin

  • Region: Halmahera, Indonesia
  • Time: 2010-04-24 07:41:03.2 UTC
  • Magnitude: 6.1 [ Indonesia’s Meteorology, Climate and Geophysics Agency, BMG, recorded the quake as a 6.4Mw]
  • Epicenter: 128.22°E 1.85°S
  • Depth: 41 km
  • Status: manually revised


© Helmholtz-Zentrum Potsdam Deutsches GeoForschungsZentrum – GFZ

Approximate Distances [USGS/EHP]:

  • 205 km (125 miles) N of Ambon, Moluccas, Indonesia
  • 305 km (190 miles) SSE of Ternate, Moluccas, Indonesia
  • 1215 km (750 miles) NNW of DARWIN, Northern Territory, Australia
  • 2415 km (1500 miles) E of JAKARTA, Java, Indonesia

Historic Information

Institutions

Maps

Notable Earthquakes

Recent Earthquakes

Tectonic Information

Related Links:

Serial No 1,619. Starting April 2010, each entry on this blog has a unique serial number. If any of the numbers are missing, it may mean that the corresponding entry has been blocked by Google/the authorities in your country. Please drop us a line if you detect any anomaly/missing number(s).

Posted in earthquake, earthquake 2010, Indonesia, Indonesia quake, Indonisia earthquakes | Tagged: , , | Leave a Comment »

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 »