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M5.0 Surka Ridge Earthquake, 2007


22 July 2007


E of Sar, Uttarakhand


23:02:17 UTC (04:32:17 IST)


30.938 N (NEIC)


78.275 E (NEIC)


35 kms (NEIC)


Mb 5.0 (NEIC), M? 5.0 (IMD)

Additional Info

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A moderate earthquake struck the Yamnotri region in Uttarkashi district, Uttarakhand, on 22 July 2007 at 04:32 local time causing a few injuries and minor damage to property in parts of Uttarakhand, India. The earthquake had a magnitude of Mb=5.0 and was felt at many places in Uttarakhand and adjoining parts of north India. The epicentre of the earthquake was located in the vicinity of the Surka Ridge in the Upper Yamuna Valley.

The earthquake was centred 5 kms E of Sar (Uttarakhand), India,
23.5 kms W of Yamnotri (Uttarakhand), India,

30.5 kms NNW of Uttarkashi (Uttarakhand), India,
59 kms NNE of Mussourie (Uttarakhand), India,
73.4 kms NNE of Dehra Dun (Uttarakhand), India,
106 kms E of Shimla (Himachal Pradesh), India,
112 kms N of Haridwar (Uttarakhand), India,
145 kms ENE of Chandigarh (U.T.), India,
227 kms NNE of Meerut (Uttar Pradesh), India,
289 kms NNE of Indira Gandhi International Airport (Delhi), India

At least 3 persons were injured in Uttarkashi district in this earthquake. A woman (Bina Devi), was hurt when a cattle shed collapsed on her at Chowdiyat village near Chowrungi. At Joshimath, a man (Uday Sharma) and his infant son fell down a flight of stairs as they rushed outdoors during the tremor and sustained non-life threatening injuries.

The earthquake was strongly felt in western Uttarakhand and in bordering areas of eastern Himachal Pradesh. Rock falls blocked National Highway 94 in the Dharasu-Phulchatti-Yamnotri area. In the Yamnotri valley, two houses were damaged and a wall collapsed at Ranachatti while in other villages such as Bajeer, Dagun, Khaneda, Kharsali and Kupda many buildings developed cracks. In the Brahmakhal area, fresh cracks developed in structures in the villages of Chinyali Soond, Gamri, Peepal Mandi, Purola and Olya. A house was damaged at Mairana and items in shops were knocked off shelves at Tharali. Minor cracks were also reported from Jaunsar in the Dehra Dun district as well as from villages such as Ataal, Darmigad, Kathiyan, Kerad, Maibhatar, Maindarth and Sainj. Buildings also developed cracks in Chamoli district.

Elsewhere in Uttarakhand, the earthquake was felt at Almora, Chakrata, Dehra Dun, Gairsen, Gopeshwar, Haridwar, Jaunsar, Kalsi, Karnaprayag, Mussourie, New Tehri, Nyeti, Pauri, Srinagar (Garhwal), Uttarkashi and Vikasnagar as well as far as Didihaat, Manswari and Pitoragarh in the Kumaon region. In adjoining Himachal Pradesh, it was felt at Bharmour, Chamba, Holi, Manali, Kinnaur, Lahual, Shimla and Spiti. In Uttar Pradesh, it was felt at Badaun, Meerut, Muzaffarnagar and Roorkee. Many people were woken up by the quake at Muzaffarnagar and some old houses developed minor cracks in the Shamli area of the town. Light tremors were also felt in high-rise buildings in Gurgaon in Haryana and in the Delhi metropolitan area.

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