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Posts Tagged ‘Mindoro Quake’

Strong Quake Strikes Mindoro Philippines

Posted by feww on March 25, 2010

Strong Earthquake Strikes Mindoro 135km SW of Manila, Philippines

A strong earthquake measuring up to 6.2Mw struck Mindoro, Philippines at  05:29:34UTC at a depth of about 71 km(±14km).

The epicenter of the shock was located near13.71ºN, 120.12ºE about 135 km (85 miles) SW of MANILA, Philippines and 105km WSW of TAAL volcano.

According to the various news reports, buildings in Manila shook for about 30 seconds as a result of the quake. While some building damage should be expected in areas closer to the epicenter, there was nor report of damage or casualties, as of posting.

Tsunami Status

Due to the depth of the quake, NO significant tsunami was expected and no advisory/warning issued.

Earthquake Location Map – Regional View – European-Mediterranean Seismological Center. Click images to enlarge.

Earthquake Location Map – Local View – European-Mediterranean Seismological Center

Earthquake Location Map – Global View – European-Mediterranean Seismological Center

Summary (European-Mediterranean Seismological Center)

  • Magnitude Mw 6.1
  • Date time: 2010-03-25 at 05:29:31.6 UTC
  • Local time: 13:29
  • Location: 13.71ºN, 120.12ºE
  • Depth: 71 km
  • Distances:
    • 135 km (85 miles) SW of MANILA, Philippines  (Pop: 1.7 million; metro Manila has a population of more than 20 million by FEWW estimates.)
    • 98 km W Batangas
    • 58 km W Calatagan
    • 14 km W Looc

Details according to:
GFZ Potsdam – Earthquake Bulletin

  • Region: Mindoro, Philippines
  • Time: 2010-03-25 05:29:33.8 UTC
  • Magnitude: 5.9
  • Epicenter:  13.81°N, 120.04°E
  • Depth: 76 km
  • Status: automatic

PAGER Population Exposure (PDF)

List of Historic Earthquakes – Philippines

PHIVOLC’s List of Destructive Earthquakes in the Philippines

Recent Earthquakes

USGS Last Earthquake in the Philippines
PHIVOLC’s Latest Earthquake Information

Tectonic Information

Related Links:

Posted in earthquake, Philippines quake, Philippines volcanoes, Taal | Tagged: , , , , | 1 Comment »

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:

Posted in earthquake forecast, Earthquakes, Mamburao, Mayon Volcano, PHIVOLCS, seismic activity report, Taal Volcano, volcanic activity | Tagged: , , , , , , , | 8 Comments »