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A
moderate earthquake struck the Silchar
region in Assam, India, on 9 December
2004 at 14:19 PM local time causing a few injuries and minor
damage to property. The earthquake
had a magnitude of Mw=5.4 and was felt in many
parts of north-east India and Bangladesh.
The earthquake
was centred
6.8 kms NW of Hailakandi (Assam), India,
or 17.6 kms ESE of Nilambazaar (Assam),
India,
or 18.8 kms SE of Umednagar (Assam),
India,
or 29.0 kms SW of Silchar (Assam),
India,
or 33.9 kms N of Kukichara (Assam),
India,
or 64.7 kms E of Sylhet, Bangladesh,
or 115 kms SSE of Shillong (Meghalaya),
India,
or 182 kms SSE of Guwahati (Assam),
India.
Prolonged tremors were felt in Cachar and Hailakandi districts in
the Cachar region of southern Assam. Cracks are reported to have
been formed in old buildings in Cachar and Karimganj towns. In
Karimganj, the old Circuit House was among the buildings that
developed cracks. A few school pupils in Hailakandi were injured
as they rushed outdoors during the tremor.
The earthquake was felt in many parts of North-East India,
including at Itanagar in Arunachal Pradesh, at Guwahati in Assam
and at Shillong in Meghalaya. In Bangladesh, at Sylhet people
rushed outdoors as the tremor shook the area for 5 seconds. The
quake also caused panic at Rangamati. Mild tremors lasting
24-seconds were also reported from Chittagong. The earthquake was
felt mildly as far as the Bangladeshi capital, Dhaka.. |
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References
01)
India Meteorological Department (IMD),
Delhi.
02) National
Earthquake Information Centre (NEIC), Golden, USA.
03)
Harvard Centroid Moment Tensor Solution (HRV), Harvard, USA.
04)
Macroseismic information has been compiled by
the ASC from reports by local media and local NGO personnel.
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