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M5.8 North Dalrymple Trough Earthquake

Date:

25 December 2008

Epicentre:

S of Ormara, Balochistan

Time:

22:40:23 UTC (03:40:23 PST)

Latitude:

23.394 N (PDE)

Longitude:

64.495 E (PDE)

Depth:

13.0 kms (PDE)

Magnitude:

Mw 5.8 (NEIC; HRV)

Additional Info


   

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A moderate earthquake (M5.0-5.9 termed as moderate) struck the northern Arabian Sea within the northern Dalrymple Trough along the Murray Ridge on 26 December 2008 at 03:40 AM local time. It had a magnitude of Mw=5.8 and was felt along the coast of Pakistan.

The earthquake was centr
ed 200 kms S of Ormara (Balochistan), Pakistan,
235 kms SSE of Pasni (Balochistan), Pakistan,
294 kms SE of Gwadur (Balochistan), Pakistan,
302 kms SW of Karachi (Sindh), Pakistan,
310 kms SW of Sonmiani (Balochistan), Pakistan,
439 kms W of Lakhpat (Gujarat), India,
446 kms ESE of Bandar-e Behesti (Sistan va Baluchistan), Iran,
492 kms ENE of Ra's al Hadd, Oman,
500 kms NW of Mandvi (Gujarat), India,
535 kms NE of Al Ashkharah, Oman,
560 kms NW of Porbandar (Gujarat), India,
609 kms E of Muscat, Oman,
996 kms NW of Mumbai (Maharashtra), India.

Light tremors from this earthquake were felt in southern Pakistan including at Sonmiani and Ormara along the Makran coast of Balochistan. This earthquake occurred in the northern Dalrymple Trough near the northern Murray Ridge. It is the largest recorded earthquake in this immediate region since a Ms=5.6 earthquake on 19 April 1934.


References
01) National Earthquake Information Centre (NEIC), Golden, USA.
02
) Harvard Centroid Moment Tensor Solution (HRV), Harvard, USA.
03) Macroseismic information has been compiled by the ASC from reports by local media and local NGO personnel.

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Map Disclaimer
International boundaries of India (especially Arunachal Pradesh, Jammu & Kashmir, Himachal Pradesh and Uttarakhand) on the displayed map are from Google Maps. These do not conform to the external boundaries of India recognized by the Survey of India. That they are displayed on this page via Google Maps, is only for display purposes and this should not be misinterpreted as an endorsement of these boundaries by the Amateur Seismic Centre (ASC).

Page Updated: 10 Apr 2009 | Website Disclaimer

Amateur Seismic Centre, Pune,