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M5.2 Bay of Bengal Earthquake, 2007


18 July 2007


E of Arugam Bay, Sri Lanka


04:27:28 UTC (09:27:29 SLT)


06.548 N (NEIC)


84.455 E (NEIC)


35.0 kms (NEIC)


Mb 5.2 (NEIC); M? 5.4 (IMD)

Additional Info

Map Disclaimer

A moderate earthquake occurred in the Bay of Bengal off the east coast of Sri Lanka to the east of Arugam Bay, on 18 July 2007 at 09:27 AM local time. The earthquake had a magnitude of Mb=5.2 and was widely felt in Sri Lanka.

The earthquake was centred 290 kms E of Arugam Bay (North-Eastern Province), Sri Lanka,
332 kms ESE of Batticaloa (North-Eastern Province), Sri Lanka,
373 kms ENE of Hambantota (Southern Province), Sri Lanka,
423 kms SE of Trincomalee (North-Eastern Province), Sri Lanka,
506 kms E of Sri Jayewardenapura (Western Province), Sri Lanka,
695 kms SE of Nagapattinam (Tamil Nadu), India,
862 kms SSE of Chennai (Tamil Nadu), India.

Tremors from this earthquake were felt in many parts of Sri Lanka, including in tall buildings in the commercial capital, Colombo. Elsewhere they were felt at Battaramulla, Dehiwala, Kandy and Matara. This earthquake was not felt in southern India. If you felt this earthquake please take the time to fill out a felt report questionnaire. Given the size of this earthquake the likelihood of damage was negligible as the epicentre was located nearly 300-kilometres from land. No tsunami watch or warning was issued for this earthquake given its magnitude.

Earthquakes are very infrequent in Sri Lanka. However, historically the effects of distant large earthquakes originating in adjacent parts of the Indian Ocean have been widely felt. The most significant earthquake in Sri Lanka occurred in March 1938 and was strongly felt in much of the island as well as in parts of Tamil Nadu & Kerala in southern India. The earliest known earthquake in Sri Lanka is thought to have struck Colombo in 1615.

01) National Earthquake Information Centre (NEIC), Golden, USA.
02) India Meteorological Department (IMD), Delhi.
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: 22 Feb 2008 | Website Disclaimer

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