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M4.3 Gangajalghati-Mejia Earthquake, 2008

Date:

6 February 2008

Epicentre:

N of Gangajalghati, W.B.

Time:

06:09:40 UTC (11:39:40 IST)

Latitude:

23.468 N (PDE) 23.60 N (IMD)

Longitude:

87.116 E (PDE), 87.10 E (IMD)

Depth:

10 kms (PDE), 35.8 kms (IMD)

Magnitude:

Mb=4.3 (PDE); M? 4.0 (IMD)

Additional Info


Map Disclaimer


A light (M4.0-M4.9 range termed as "light") earthquake was felt in the Gangajalghati-Raniganj-Mejia region as well as in the adjacent districts of Jharkhand and West Bengal on the morning of 6 February 2008 at 11:39 AM IST. It had a magnitude of Mb=4.3 and caused one death, several injuries and significant damage in the region for its size.

This earthquake was centred 2.2 kms N of Gangajalghati (West Bengal), India,
18.7
kms S of Raniganj (West Bengal), India,
21.9 kms WSW of Durgapur (West Bengal), India,
23.2 kms N of Bankura (West Bengal), India,
32 kms SE of Asansol-Burnpur (West Bengal), India,
67.2 kms SW of Siuri (West Bengal), India,
80.9 kms ESE of Dhanbad (Jharkhand), India,
118 kms NE of Jamshedpur (Jharkhand), India,
125 kms NNE of Kharagpur (West Bengal), India,
159 kms NW of BBD Bag, Kolkata (West Bengal), India,
183 kms E of Ranchi (Jharkhand), India
.

An elderly woman was killed at Raniganj and at least 50 people injured in this earthquake, including two persons who were struck by falling debris, one each in Bishnupur and Gangajalghati in Bankura district. The injured included 5 students from the Ramlalpur Ghanaban High School in Gangajalghati who suffered fractures as they tried to rush out through a narrow passage. 12 students at the Durvalpur High School at Mejia and 12 students at Patrahat Girl's School in Onda fell unconscious as a result of the tremor.

This earthquake was strongly felt at Andal, Barjora, Gangajalghati, Mejia and Raniganj in West Bengal's Bankura district. Several buildings developed cracks at Andal, Durgapur, Kustore and Panagarh, including eight railway signalling cabins on the Delhi-Howrah mainline. Over 2-dozen mud houses are collapsed at Gangajalghati as did a few abandoned buildings at Searsole near Raniganj. A few mobile telecom towers collapsed and production at the Mejia Thermal Power Station stopped. Tremors were experienced for close to 30-seconds in the districts of Bankura, Burdwan, Birbhum, Purulia and West Midnapore including at Asansol, Bankura, Durgapur, Purulia, Raniganj and Siuri. People went out into the open as doors and windows of buildings rattled. In West Midnapore district it was felt at Dahijuri, Jhargram and Silda. The earthquake was also felt in adjacent parts of the state of Jharkhand in the districts of Bokaro, Dhanbad, Paschim Singbhum, Purbi Singbhum and Ranchi. In particular, it was strongly felt at Nirsa while at Dhanbad, Govindpur and Jharia the intensity was sufficient to make people go outdoors out of fear. Light tremors were felt at Chirkunda, Jamshedpur, Panchet, Maithon and as far as the state capital, Ranchi.

The main earthquake was followed by three mild aftershocks at 12:14 PM IST, 12:19 PM IST and 12:21 PM IST. An aftershock was felt at Bankura, Barjora, Gangajalghati, Indpur, Mejia, Raniganj and Onda as well as in other parts of the districts of Bankura, Burdwan and West Midnapore in the evening at 17:12 PM IST that lasted 3-seconds. If you felt this earthquake please take the time to fill out a felt report questionnaire.


References
01) India Meteorological Department (IMD), New Delhi, India.
02) Macroseismic information has been compiled by the ASC from reports by local media and local NGO personnel
.

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Page Updated: 23 Feb 2008 | Website Disclaimer

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