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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. |
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References
01)
International Seismological Centre (ISC),
Berkshire.
02) 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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