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Powerful Earthquake Strikes Celebes Sea, S of Philippines

Posted by feww on October 8, 2009

Earthquake Measuring up to 7.1Mw Strikes Celebes Sea

Powerful earthquake measuring up to 7.1 Mw Struck Celebes Sea, SE of Jolo, Sulu Archipelago, Philippines, on Wednesday, October 07, 2009 at 21:41 UTC at a depth of about 580km.

The event followed another powerful earthquake that struck Moro Gulf (Mindanao, Philippines), on Sunday, October 04, 2009.

On September 18, 2009, after a 5.5 Mw quakes struck south of Mindanao, FEWW forecast additional, more powerful,  earthquakes for the region.

See: Latest Earthquakes Magnitude 5.5 + for FEWW Forecast.

10-degree Map Centered at 5°N,125°E

Celebes sea 7-10-09
Earthquake Location Map.
Source: USGS/EHP. Enhanced by FEWW

Earthquake Details:

  • Magnitude: 7.1 best estimate by FEWW (downgraded by USGS/EHP to M 6.7)
  • Date-Time:
    • Wednesday, October 07, 2009 at 21:41:14 UTC
    • Thursday, October 08, 2009 at 05:41:14 AM at epicenter
  • Location: 4.043°N, 122.584°E
  • Depth:  582.8 km (362.2 miles)
  • Region: CELEBES SEA
  • Distances:
    • 280 km (175 miles) SE of Jolo, Sulu Archipelago, Philippines
    • 320 km (200 miles) S of Zamboanga, Mindanao, Philippines
    • 1,185 km (730 miles) S of MANILA, Philippines
    • 2,085 km (1300 miles) ENE of JAKARTA, Java, Indonesia
  • Location Uncertainty: horizontal +/- 7 km (4.3 miles); depth +/- 10 km (6.2 miles)
  • Parameters: NST= 61, Nph= 64, Dmin=470.9 km, Rmss=0.83 sec, Gp= 40°,  M-type=teleseismic moment magnitude (Mw), Version=6
  • Source:  USGS NEIC (WDCS-D)
  • Event ID: us2009mlcb

Related Links:

Recent Human Enhanced Disasters Asia-Pacific

See also:

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3 Responses to “Powerful Earthquake Strikes Celebes Sea, S of Philippines”

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