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Philippines hit by series of major quakes

 
 
Reply Fri 23 Jul, 2010 06:24 pm
http://earthquake.usgs.gov/earthquakes/recenteqsww/Maps/10/120_5.gif

6.9 Mb - MORO GULF, MINDANAO, PHILIPPINES
Preliminary Earthquake Report Magnitude 6.9 Mb
Date-Time

* 23 Jul 2010 22:08:11 UTC
* 24 Jul 2010 06:08:11 near epicenter
* 23 Jul 2010 14:08:11 standard time in your timezone

Location 6.692N 123.448E
Depth 603 km
Distances

* 107 km (66 miles) SW (236 degrees) of Cotabato, Mindanao, Philippines
* 127 km (79 miles) S (183 degrees) of Pagadian, Mindanao, Philippines
* 153 km (95 miles) E (99 degrees) of Zamboanga, Mindanao, Philippines
* 922 km (573 miles) SSE (163 degrees) of MANILA, Philippines

-------------------------

5.4 Mb - MORO GULF, MINDANAO, PHILIPPINES
Preliminary Earthquake Report Magnitude 5.4 Mb
Date-Time

* 23 Jul 2010 22:19:35 UTC
* 24 Jul 2010 06:19:35 near epicenter
* 23 Jul 2010 14:19:35 standard time in your timezone

Location 6.764N 123.544E
Depth 594 km
Distances

* 94 km (58 miles) SW (236 degrees) of Cotabato, Mindanao, Philippines
* 119 km (74 miles) S (178 degrees) of Pagadian, Mindanao, Philippines
* 162 km (101 miles) E (96 degrees) of Zamboanga, Mindanao, Philippines
* 917 km (570 miles) SSE (162 degrees) of MANILA, Philippines

----------------------------

7.4 Mb - MORO GULF, MINDANAO, PHILIPPINES
Preliminary Earthquake Report Magnitude 7.4 Mb
Date-Time

* 23 Jul 2010 22:51:11 UTC
* 24 Jul 2010 06:51:11 near epicenter
* 23 Jul 2010 14:51:11 standard time in your timezone

Location 6.482N 123.533E
Depth 575 km
Distances

* 115 km (72 miles) SW (224 degrees) of Cotabato, Mindanao, Philippines
* 150 km (93 miles) S (179 degrees) of Pagadian, Mindanao, Philippines
* 167 km (104 miles) ESE (107 degrees) of Zamboanga, Mindanao, Philippines
* 947 km (588 miles) SSE (163 degrees) of MANILA, Philippines

---------------------------------

7.4 M - MORO GULF, MINDANAO, PHILIPPINES
Preliminary Earthquake Report Magnitude 7.4 M
Date-Time

* 23 Jul 2010 23:15:08 UTC
* 24 Jul 2010 07:15:08 near epicenter
* 23 Jul 2010 15:15:08 standard time in your timezone

Location 6.749N 123.267E
Depth 616 km
Distances

* 121 km (75 miles) WSW (244 degrees) of Cotabato, Mindanao, Philippines
* 123 km (77 miles) SSW (192 degrees) of Pagadian, Mindanao, Philippines
* 132 km (82 miles) E (98 degrees) of Zamboanga, Mindanao, Philippines
* 910 km (566 miles) SSE (164 degrees) of MANILA, Philippines
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Butrflynet
 
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Reply Fri 23 Jul, 2010 06:31 pm
http://wireupdate.com/local/three-major-earthquakes-strike-close-to-mindanao-philippines/


Three major earthquakes strike close to Mindanao, Philippines
Friday, July 23rd, 2010 at 11:35 pm | BNO News
By BNO News

NEW YORK (BNO NEWS) -- Three major earthquakes struck close to a Philippines island on early Saturday morning, seismologists said, but they were located too deep to cause damage or create tsunami waves.

The first earthquake, at 6.08 a.m. local time (2208 GMT Friday), had a magnitude of 7.3 on the Richter scale and was centered about 100 kilometers (65 miles) southwest of Cotabato, a city located on the Philippines island of Mindanao. It struck about 604.5 kilometers (375.6 miles) deep, making it an extremely deep earthquake, according to the United States Geological Survey (USGS).

The Meteorology, Climatology and Geophysics Agency of Indonesia measured the strength of the earthquake at 7.0 on the Richter scale, while the Malaysian Meteorological Department reported a 6.9-magnitude.

Minutes later, at 06.19 a.m. local time (2219 GMT Friday), a moderate aftershock struck close to the epicenter of the first earthquake. The USGS measured the strength of that earthquake at 5.4 on the Richter scale, at a depth of 594.8 kilometers (369.6 miles).

Later, at 06.51 a.m. local time (2251 GMT Friday), a major earthquake struck close to the other earthquakes. The USGS measured the strength of the earthquake at 7.4 on the Richter scale, larger than the initial earthquake. This earthquake also struck deep, at a depth of about 575 kilometers (357 miles).

Again shortly later, at 07.15 a.m. local time (2315 GMT Friday), another 7.4-magnitude earthquake struck the same area at a depth of around 614 kilometers (381 miles).

The USGS estimated that around 21 million people likely perceived weak shaking as a result of the three large earthquakes, but said they were too deep to cause any damage.

The Pacific Tsunami Warning Center said no tsunami had been generated as a result of the earthquakes, mostly due to the depth of the earthquakes. "A destructive tsunami was not generated based on earthquake and historical tsunami data," the agency said in a bulletin.

On August 16, 1976, a massive 8.0-magnitude earthquake struck 65 kilometers (40 miles) of Saturday's earthquake, killing more than 7,000 people.
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