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M4.7 Koyna-Warna Earthquake, 2005


30 August 2005


S of Gothna, Maharashtra


08:53:20 UTC (02:23:20 IST)  


17.070 N (NEIC)


73.770 E (NEIC)


10.0 kms (NEIC)


Mb 4.7 (NEIC); ML 4.5 (MERI)

Additional Info

Map Disclaimer

A light earthquake struck the Koyna-Warna region in Maharashtra, India, on 30 August 2005 at 02:23 AM local time causing minor damage to property in Patan taluka. The earthquake had a magnitude of Mb=4.7 and was felt in parts of western Maharashtra, north Karnataka and Goa.

The earthquake was centred 3.6 kms S of Gothna (Maharashtra), India,
37.1 kilometres S of Koynanagar (Maharashtra), India,
49.5 kilometres WSW of Karad (Maharashtra), India,
52 kilometres ENE of Ratnagiri (Maharashtra), India,
58 kilometres SE of Chiplun (Maharashtra), India,
63.4 kilometres NW of Kolhapur (Maharashtra), India,
171 kilometres SSW of Lohegaon Airport, Pune (Maharashtra), India,
245 kilometres SSE of Santa Cruz Airport, Mumbai (Maharashtra), India.

Damage at Patharwadi in Karad taluka and at Ambeghar, Dicholi, Kisrule and Zhadoli villages in the vicinity of the Koyna Dam. Some buildings also developed cracks in the town of Satara.

Strong tremors were felt at Patan for 10-12 seconds, causing panic and displacing furniture while at Chaphal, Chiplun, Devran, Dhebewadi, Karad, Koyna, Murud, Natoshi, Navrasta, Ratnagiri, Sangli, Sindhudurg, Shirala, Tarle & Warnawati people ran outdoors in panic; some ran out of government buildings in Sangli. People on the upper floors of buildings at Kolhapur, Satara & Sangli felt pronounced tremors. At Ratnagiri, the quake lasted 15-20 seconds. It was also felt at Alore, Devrukh, Pophali, Sakharpa, Sangammeshwar and Shirgaon in the region as well as at Islampur, Kolhapur and Mahabaleshwar.

Felt at Belagaavi in Karnataka and in some parts of Goa by people on the upper floors of buildings as well as in Pune & Mumbai.

01) National Earthquake Information Centre (NEIC), Golden, USA.
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: 22 Feb 2008 | Website Disclaimer

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