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M4.7 Idukki-Painavu Earthquake, 2000


12 December 2000


SE of Muttam, Kerala


01:23:58 UTC (06:53:58 IST)


9.824 (ISC)


76.763 E (ISC)


10.0 kms (ISC)


Mw 4.7 (IMD); ML 5.0 (IMD)

Additional Info


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A light earthquake struck the Idukki region in Kerala, India, on 12 December 2000 at 06:53 AM local time resulting in some damage to property in parts of central Kerala. It had a magnitude of Mw=4.7 and was felt for close to 40-seconds in parts of the states of Kerala and Tamil Nadu.

The earthquake was centred 1.9 kilometres SE of Muttam (Kerala), India,
14.9 kilometres NE of Palai (Kerala), India,
22.5 kilometres W of Idukki (Kerala), India,

37 kilometres NE of Kottayam (Kerala), India,
60.6 kilometres NW of Alaphuza (Kerala), India,
62.9 kilometres ESE of Kochi (Kerala), India,
134 kilometres SSW of Coimbatore (Tamil Nadu), India,
149 kilometres NNW of Thiruvananthapuram (Kerala), India.

Trees were uprooted in villages around the town of Palai in Idukki district. At Pathanamthitta, a four-storeyed building providing accommodation to the Ayyappa devotees at the famous hillshrine of Sabarimala, developed cracks all along its walls. As the quake hit, the pilgrims ran out of their lodges shouting ''Swamiye Saranam Ayyappa". The 220-kv sub-station at Pallam in Kottayam suffered some damage and the power supply was disrupted for an hour according to reports quoting state electricity office sources. The Kerala State Electricity board said that a transformer had been damaged at Pallam. Telephone lines and electricity supply were disrupted in some places in Kottayam district. In Pathanamthitta and Kottayam, people ran out to safety. Some houses developed cracks in the districts of Alaphuzha, Ernakulam, Kollam, Kottayam and Thrissur. The Mullaiperiyar Dam also developed a crack as a result of the tremor. Unconfirmed reports spoke of slight cracks on Jew Road, Ernakulam. This earthquake was strong at Alaphuzha, Ernakulam, Kochi, Kottayam and Idukki where doors and windows rattled and furniture moved under the impact of the tremor. It was also felt in Tamil Nadu, at Coimbatore, Coonoor, Gopichettipalayam, Nilgiri, Pollachi, Udhagamandalam, Udumalpet and Valprai sending people out into the open in these areas.

01) International Seismological Centre (ISC), Berkshire.
India Meteorological Department (IMD), Delhi.
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: 21 Feb 2008 | Website Disclaimer

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