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Posts Tagged ‘Moluccas’


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



Notable Earthquakes

Recent Earthquakes

Tectonic Information

Related Links:

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

Magnitude 7.0ML Quake Strikes Obira Indonesia

Posted by feww on March 14, 2010

Powerful Quake measuring 7.0 ML Strikes off the Coast of Obira, Indonesia.

An earthquake measuring  7.0 ML (Richter Scale) struck off the coast of Obira Island, Obi Islands (Kepulauan Obi) a group of islands in the Indonesian province of Maluku.

ShakeMap of Obira.
Source: USGS

The offshore quake occurred at a depth of 56 km on March 14, 2010 at 07:57 am local time (00:57UTC) with the epicenter located at 1.58S  128.20E, about 227 km North of Ambon, Indonesia.

Indonesia’s Meteorology and Geophysics Agency reported.  There were no tsunami warning and, as of posting, no casualties or damage were reported.

Related Links:

Posted in earthquake, Indonesia earthquake, Kepulauan Obi, KEPULAUAN OBI quake, Maluku quake | Tagged: , , , , , | 1 Comment »

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 »