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M5.3 Mana Earthquake, 2006

Date:

14 February 2006

Epicentre:

ESE of Mana, Sikkim

Time:

00:55:23 UTC (06:25:23 IST)

Latitude:

27.377 N (NEIC)

Longitude:

88.362 E (NEIC)

Depth:

20.1 kms (NEIC)

Magnitude:

Mw 5.3 (HRV)

Additional Info


 

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A moderate earthquake struck the Sikkim Himalayas on 14 February 2006 at 06:25 AM local time resulting in two deaths and minor damage to property in the state of Sikkim, India. It had a magnitude of Mw=5.3. This is the strongest earthquake in this immediate region since a Mw=6.3 earthquake on 19 November 1980.

The earthquake was centred 2 kms ESE of Mana (Sikkim), India,
11.1 kilometres NNE of Sosing (Sikkim), India,
25.8 kilometres WNW of Gangtok (Sikkim), India,
35.5 kilometres NNW of Kalimpong (West Bengal), India,
38.6 kilometres NNE of Darjeeling (West Bengal), India,
67.5 kilometres NE of Ilam, Nepal,
72.8 kilometres N of Shiliguri (West Bengal), India,
130 kilometres W of Thimphu, Bhutan.


Two Indian Army soldiers were killed when the vehicle they were travelling in was struck by a rock fall at Sherathang near the border outpost at Nathu La in Sikkim. Two people were injured in east Sikkim by this earthquake. A child received minor scratches when a flower pot fell on him during the earthquake at Ranipool while a man suffered minor head injuries after being hit by a boulder along the Indira Bypass. In addition, 8 people were discharged after being administered first aid at the Tashi Namgyal Memorial Hospital in Gangtok. In Bangladesh, 11 people were injured in quake-related stampedes at Gaibandha.

The earthquake was felt for close to 12-seconds in Sikkim. Water supply and telecommunication networks were temporarily disrupted. In the state capital Gangtok, loose items were knocked off shelves while several public and private buildings, including the Enchey Monastery, Janata Bhavan, Lal Bazaar, Police Headquarters, Raj Bhavan, State Secretariat, State Bank of India office at Zero point, the S.T.N.M. Hospital, suffered various grades of damage. The shock was also strongly felt at Chandmari, Deorali, Singtam and Tadong in the Gangtok area. Buildings were also damaged at Deorali and some were later evacuated. Damage has also been reported from Bardan and Rangpo in the East district, including in Pakyong Sub division where four wooden houses collapsed at Laktuk Chorten Pheri. In the North district, old buildings developed cracks at Magshilla and Phudong while in the South district, one house was damaged at Sinchuthang Mamley. In the West district, damage was reported from Nayabazaar, Pijuk Rabdenpac and Yukfam areas and a building housing the Manipal University developed cracks. Rock falls blocked some roads in the state. Cracks appeared in the Assam-Lingzay road in the East district and in several roads in Gangtok.

Minor cracks developed in some buildings in Shiliguri, West Bengal. Apart from Shiliguri, it was also strongly felt at Coochbehar, Darjeeling, Jalpaiguri, Kurseong, Malda and North Dinajpur in West Bengal. Elsewhere in India, it was felt at Itanagar in Arunachal
Pradesh, at Guwahati in Assam, at Bahadurganj, Forbesganj, Kishanganj, Pauvakhali, Purnea, Thakurganj in Bihar and at Shillong in Meghalaya. Tremors were also experienced at Dinajpur, Naokhali, Nilphamari, Pabna, Rajshahi, Rangpur, Sylhet and Thakurgaon in Bangladesh, at Paro, Phuntsholing and Thimphu in Bhutan and at Kathmandu in Nepal. Seismic seiches were observed in ponds and other water bodies at Dinajpur and Rangpur in Bangladesh.


References
01) National Earthquake Information Centre (NEIC), Golden, USA.
02)
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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