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Strong Quake Strikes Offshore Mindoro, Philippines

Posted by feww on September 18, 2009

FOR MARCH 25, 2010 Earthquake Details click >>

Strong Quake Strikes Mindoro Philippines

Magnitude 6.0 earthquake strikes near Mindoro, Philippines

An earthquake measuring 6.0 Mw struck in the South China Sea off the west coast  of Mindoro, Philippines, at a depth of 50.1 km on September 18, 2009  at 06:23:58 UTC, USGS/ EHP said.

10-degree Map Centered at 15°N,120°E

sep 18 10-00UTC
Earthquake Location Map. Source of the original map: USGS

Earthquake Details

  • Magnitude: 6.0
  • Date-Time:
    • Friday, September 18, 2009 at 06:23:58 UTC [Friday, September 18, 2009 at 02:23:58 PM at epicenter]
  • Location: 12.573°N, 120.469°E
  • Depth: 50.1 km (31.1 miles)
  • Distances:
    • 115 km (75 miles) SW of Calapan, Mindoro, Philippines
    • 145 km (90 miles) SSW of Batangas, Luzon, Philippines
    • 230 km (145 miles) SSW of MANILA, Philippines
    • 250 km (155 miles) S of Olongapo, Luzon, Philippines
  • Location Uncertainty: horizontal +/- 8.9 km (5.5 miles); depth +/- 11.7 km (7.3 miles)
  • Parameters NST= 52, Nph= 52, Dmin=827.4 km, Rmss=1.24 sec, Gp= 47°, M-type=teleseismic moment magnitude (Mw), Version=7
  • Source: USGS NEIC (WDCS-D)
  • Event ID: us2009lsap

The Philippine Institute of Volcanology and Seismology (Phivolcs) reported the quake as a magnitude 6.1 shock on the Richter scale.

Phivolcs said the quake was felt at various intensities in Mamburao and Batangas City; Makati City, Pasay City, Manila City, Tagaytay City and Dasmariñas City;  in San Jose town (in Occidental Mindoro), Puerto Galera, Malay (in Aklan), and Guinayangan (in Quezon).

Phivolcs also said it was expecting aftershocks and some damage caused by the earthquake; however, as of posting, no damage had been reported.

There was no report of tsunami after the  quake.

Seismic Hazard Map

Seismic Hazard Map-midoro

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

Historic Seismicity

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

Related Links:

8 Responses to “Strong Quake Strikes Offshore Mindoro, Philippines”

  1. David said


  2. feww said

    MARCH25, 2010 Earthquake
    Strong Quake Strikes Mindoro Philippines

  3. feww said

    European-Mediterranean Seismological Center
    * 2010-01-21 02:02:02.1 13.56 N 125.40 E 2km 5.4 Mw PHILIPPINE ISLANDS REGION
    * 2010-01-15 00:06:50.7 7.18 N 125.83 E 52km 5.3Mw MINDANAO, PHILIPPINES
    * 2010-01-13 12:42:38.4 6.68 N 124.38 E 2km 5.2MW MINDANAO, PHILIPPINES
    * 2010-01-13 07:55:00.0 5.22 N 127.26 E 118km 5.1Mw PHILIPPINE ISLANDS REGION
    * 2010-01-12 10:54:07.4 14.78 N 120.61 E 100km 5.1Mw LUZON, PHILIPPINES
    * 2010-01-08 12:14:59.4 6.08 N 126.75 E 117km 5.4Mw MINDANAO, PHILIPPINES
    * 2010-01-03 21:38:40.5 6.48 N 126.29 E 44km 5.4Mw MINDANAO, PHILIPPINES

  4. […] Strong Quake Strikes Offshore Mindoro, Philippines […]

  5. […] Strong Quake Strikes Offshore Mindoro, Philippines […]

  6. […] Strong Quake Strikes Offshore Mindoro, Philippines […]

  7. […] Strong Quake Strikes Offshore Mindoro, Philippines […]

  8. feww said


    GFZ Potsdam – Earthquake Bulletin
    Region: Mindanao, Philippines
    Time: 2009-09-18 11:53:50.2 UTC
    Magnitude: 5.5
    Epicenter: 124.71°E 6.51°N
    Depth: 23 km
    Status: manually revised

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