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M5.2 Eastern Bhutan, 2009

Date:

29 October 2009

Epicentre:

W of Damoitse, Bhutan

Time:

17:00:39 UTC (23:00:39 BTT)

Latitude:

27.292 N (NEIC)

Longitude:

91.360 E (NEIC)

Depth:

31.0 kms (NEIC)

Magnitude:

Mb 5.2 (NEIC), 5.5 (GSR)

Additional Info


Map Disclaimer


A moderate earthquake (M5.0-5.9 termed as "moderate") occurred in eastern Bhutan on 29 October 2009 at 23:00 PM local time in Bhutan. It had a magnitude of Mb=5.2 and caused some additional damage in the region struck by a Mw=6.1 earthquake in September. A stronger Mb=5.5 event followed this earthquake on 31 December 2009.

The earthquake was centr
ed 9.1 kms W of Damoitse, Bhutan,
16.6 kms E of Mongar, Bhutan,
21 kms W of Trashigang, Bhutan,
45 kms SSE of Lhuntsi, Bhutan,
60 kms SSW of Tawang (Arunachal Pradesh), India,
93.2 kms N of Nalbari (Assam), India,
129 kms NNW of Guwahati (Assam), India,
168 kms ESE of Thimphu, Bhutan.

If you felt this earthquake, please take the time to fill out a felt report questionnaire.

This earthquake struck the Mongar-Trashigang region that was badly affected by a Mw=6.1 earthquake on 21 September 2009. This latest earthquake caused further damage but did not result in any injuries or loss of life. In Trashigang dzongkhag, one house collapsed and 17 were damaged at Udzorong. Elsewhere in the dzongkhag, 5 buildings were damaged at Lumang and 50 at Yangneer. In Mongar dzongkhag, five buildings were were damaged at Mongar, 4 at Narang, 3 at Ngatshang, 6 at Sheri Muhung, 11 at Thangrong and 5 at Tsakhaling. In Pemagatshel dzongkhag, 10 buildings were damaged. A primary school in Chimung gewog damaged earlier was damaged badly with its classrooms and staff quarters now made unsafe. In Lhuentse, 4 houses in Sengor gewog were damaged. People spent the night outdoors in the villages of Dungmanma and Kherey while at Rangjung people were frightened but no panic ensued. Tremors were felt as far west as the capital, Thimphu.

Tremors were also felt in adjoining parts of India in the states of Assam and Meghalaya. In Guwahati, Assam, it was felt for close to 10-seconds in high-rise buildings causing some panic. The earthquake was also felt in northern Bangladesh including in the towns of Mymensingh and Sylhet; at Mymensingh some people ran outdoors in panic when the earthquake hit.


References
01) National Earthquake Information Centre (NEIC), Golden, USA.
02) Geophysical Survey of the Russian Academy of Sciences (GSR), Obninsk, Russia.
03) Macroseismic information has been compiled by the ASC from reports by local media and local NGO personnel.

Page Citation
Information on this page may be reproduced in print or electronically but it is requested that a citation be given to this website in the form of a link i.e. "www.asc-india.org".

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: 02 Jan 2010 | Website Disclaimer

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