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M6.3 Koname Earthquake, 2006


23 December 2006


N of Koname, Little Andaman Island


19:50:47 UTC (01:20:47 IST)


10.681 N (NEIC)


92.390 E (NEIC)


17.0 kms (NEIC)


Mw 6.3 (HRV), 6.1 (NEIC)

Additional Info

Map Disclaimer

A strong earthquake struck the island of Little Andaman on 23 December 2006 at 01:20 AM local time. The earthquake had a magnitude of Mw=6.3 and was felt in some parts of the southern Andaman Islands including Port Blair. It did not result in any damage or casualties.

The earthquake was centred 2 kms N of Koname (Little Andaman Island), India,
4.9 kms S of Jackson Creek (Little Andaman Island), India,
17.1 kms NW of Hut Bay (Little Andaman Island), India,
25.1 kms SW of Dugong Creek (Little Andaman Island), India,
84.7 kms SSW of Woodmason Bay (Rutland Island), India,
117 kms SSW of Port Blair (South Andaman Island), India.
174 kms NNW of Malacca IAF Base (Car Nicobar Island), India,
251 kms SSW of Mayabander (Middle Andaman Island), India,
442 kms NNW of Campbell Bay (Great Nicobar Island), India,
709 kms NW of Phuket International Airport (Phuket), Thailand

This earthquake was strongly felt at Hut Bay and the rest of Little Andaman Island causing considerable panic but no damage. Tremors were also experienced as far north as Port Blair where people some ran outdoors in fear. If you felt this earthquake please take the time to fill out a felt report questionnaire. This earthquake was centred onshore near the settlement of Koname to the south of Jackson Creek on the west coast of Little Andaman Island. Although the earthquake did not generate a tsunami there was some anxiety among the residents of the islands, many choosing to move to higher ground as a precaution. As word of the earthquake reached mainland India via the electronic media, there was some panic in Nagapattinam in Tamil Nadu where people fled to higher ground as rumours spread of an impending tsunami.

This is the strongest earthquake in the Andaman Islands since the Mw=6.0 Defence Island Earthquake on 3 February 2006 that was strongly felt in much of the three main islands in the Andaman chain. It is also the strongest event in the entire Andaman & Nicobar Archipelago since the start of 2006.

01) National Earthquake Information Centre (NEIC), Boulder.
2) Harvard Centroid Moment Tensor Project (HRV).
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: 22 Feb 2008 | Website Disclaimer

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