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M4.9 Gureghar-Kondal Earthquake, 2008

Date:

17 September 2008

Epicentre:

W of Gureghar, Maharashtra

Time:

21:47:15 UTC (03:17:15 IST)

Latitude:

17.289 N (NEIC)

Longitude:

73.815 E (NEIC)

Depth:

10 kms (NEIC)

Magnitude:

Mb 4.9 (NEIC); ML 4.8 (MERI)

Additional Info


Map Disclaimer


A light earthquake (M4.0-4.9 termed as light) occurred in the Koyna region of south-western Maharashtra on 17 September 2008 at 03:17 AM local time. The earthquake centred in in the vicinity of the villages of Gureghar and Kondal in the Koyna-Warna area had a magnitude of Mb=4.9 and caused widespread damage in the epicentral region and at least one death near Pune. The shock was felt for over 45-seconds in much of western Maharashtra, Goa and north Karnataka, even as far south as Bengaluru. This is the most damaging earthquake in the Koyna-Warna region since a ML=5.1 earthquake on 14 March 2005.

If you felt this earthquake please take the time to add your report to a "felt" map. 

The earthquake was centred 4
.4 kms NNW of Humbarli (Maharashtra), India,
12 kms SSE of Koynanagar (Maharashtra), India,
15 kms WSW of Patan (Maharashtra), India,
30 kms SE of Alore (Maharashtra), India,
42.3 kms W of Karad (Maharashtra), India,
63 kms NE of Ratnagiri (Maharashtra), India,
70 kms S of Mahabaleshwar (Maharashtra), India,
81.4 kms NNW of Kolhapur (Maharashtra), India,
138 kms S of Pune (Maharashtra), India,
179 kms NNW of Belgaum (Karnataka), India,
201 kms N of Panaji (Goa), India,
208 kms SSE of Churchgate, Mumbai (Maharashtra), India
.

A 6-month old baby was killed and 5 injured in the collapse of a mud wall at Nathachiwadi in Yevat taluka in Pune district. At least 12 people were injured, one with a serious fracture injury at Ambwade, in Patan taluka in Satara district including 3 at Ambewadi, 3 at Ambeghar Tarphe Marli, 2 at Sanbur, 2 at Tamhine and 1 at Patan.

In Satara district, nearly 606 buildings were damaged in 110 villages including 573 buildings in 92 villages in Patan taluka, 14 building in 9 village in Karad taluka, 1 buildng in Koregaon Taluka, 5 buildings in 7 villages in Satara taluka and 1 building in Wai taluka. Serious damage (numbers more than 1 in parenthesis) reported to over 606 buildings in 110 villages in Satara district included buildings at Ambeghar (21), Ambwade Khurd (6), Atoli (9), Baher (2), Bandhwat, Banpuri (24), Bhosgaon (5), Chaphal, Davri (5), Dhamni (3), Dhebewadi (6), Divashi Budruk (6), Donichiwada (2), Dudhadewadi, Gadhavkhop, Godhne, Gokultarphe Patan, Goware (2), Humbarli (2), Humbarwadi, Jalgewadi, Jangamwadi (2), Janugadewadi (18), Jinti (20), Kadoli (7), Kahir (10), Kalgaon (9), Kalkewadi (6), Karle (4), Kasani (8), Kokisare (7), Kolhekarwadi (6), Kumbhargaon (12), Kusrud (5), Kuther (6), Mandrulkolhe (14), Malharpeth (3), Marathwadi (4), Marli (6), Mahind (11), Nav (35), Navdi (2), Navsari (2), Navja Baje, Nanail (2), Natoshi (20), Nigde (5), Palshi (12), Panchgani (12), Paneri (14), Rasati, Ruvale (2), Saduwarpewadi (6), Sahind (11), Saigade (13), Salve (8), Sanbur (37), Sanewadi (2), Satar (3), Shitapwadi (5), Sutarwadi (2), Sulewadi (2), Taloshi (3), Tamhine (16), Udhwane (3), Umarkanchen (3), Vadhne, Vajegaon, and Vajholi (3). 221 wall collapses were reported from the Dhebewadi region. Minor damage was reported to more than 1,000 buildings in Patan taluka. The greatest damage occurred the Dhebewadi area where 309 buildings were damaged in 37 villages and in the Marli area were 134 buildings were damaged in 23 villages. The worst affected villages was Sanbur with as many as 37 damaged buildings. A rock fall on the Dhebewadi-Salve road disrupted traffic for much of the 17th. In the Chaphal area, buildings were damaged at Dervan (12), Jalgewadi, Masugadewadi, Nanegaon (7) and Padaloshi (5). Damage to buildings also occurred in Radhanagari and Shahuwadi in Kolhapur district.

Outside the epicentral region, a wall collapse resulted in one death at Nathachiwadi in Yewat taluka, Pune district. Other minor damage was also reported from Yevat taluka. Minor cracks developed in buildings at Dhabol and Panchgani. At Valva, the kalash (pinnacle) of the Maruti Temple near the S.T. Stand was knocked down and the temple itself was badly cracked. In Mumbai, a minor rock fall was reported behind a Toyota showroom on LBS Road at Gurunanaknagar in Ghatkopar while at Kambekar Street in Dongri, part of the wall & slab of a 3rd floor balcony was dislodged onto the balcony on the lower floor. In the Hubli-Dharwad area in north Karnataka, minor damage was reported from the IT Park in Hubli where walls developed cracks and part of the ceiling fell in some buildings.

This earthquake has been strongly felt in much of western Maharashtra, north Karnataka and in Goa. In Maharashtra, tremors were felt at Chiplun, Dabhol, Dapoli, Javali, Mahabaleshwar, Malkapur, Karad, Kolhapur, Kudal, Lanja, Medha, Mumbai, Navi Mumbai, Patan, Pune, Raigad, Ratnagiri, Sangli, Satara, Shirala, Solapur, Thane and other parts of western Maharashtra as far north as Nashik. At a few places in Kolhapur, people ran outdoors while at Ichalkaranji, utensils were displaced. At Mahabaleshwar, people were woken up and doors and windows rattled violently for nearly 45-seconds and some old buildings suffered minor damage. Strong tremors were also felt at Panchgani and Satara. People ran outdoors at Mahabaleshwar, Panchgani and Satara and kitchen utensils were displaced at Adki as well as at Shirala. At Medha, it is believed to have been the strongest since 1993. This earthquake did not affect infrastructure on the Konkan Railway. It was felt throughout the Pune metropolitan area including at Aundh, Baner, Camp, Dayari, Dhankawadi, Katraj, Kondhwa, Kothrud, Law College Road, Nagar Road, Parvati, Sahakarnagar, Sadashiv Peth, Shastrinagar, Sinhagad Road, Wakdewadi, Wanowarie and Vadgaonsheri, where people were woken up and some went outdoors. Tremors were also felt at Baramati, Bhosari, Chinchwad, Maval, Mulshi, Kalewadi, Pimpri, Sommeshwarnagar and Urse while in the Daund region, they was felt at Chauphula, Kedgaon, Varvand. Tremors were also felt in tall buildings in several parts of Mumbai including at Andheri, Bandra, Chakala, Dadar, Ghatkoper, Madh-Versova, Mahim, Mira Road, Santa Cruz, Warden Road-Altamount Road and Powai.

Tremors were felt in the Bardez, Ponda & Tiswadi areas of Goa including in the towns of Candolim, Madgaon, Panaji, Pilerne, Porvorim ,Vasco da Gama and Zuarinagar. Light tremors were also felt in parts of Athani, Belgaum, Bidar, Bijapur, Chakodi, Gulbarga, Hubli-Dharwad, Jamkhandi and Mudhol in north Karnataka as well as far south as Bengaluru. In the Belgaum region, it was also felt at Angol, Mahanteshnagar, Sadashivnahar, Shahapur, Tilakwadi and Vadgaon where people went outdoor for a while.

This is the second earthquake in this magnitude range this year in the Koyna-Warna region. Earlier on 30 July 2008, a M4.3 earthquake near Helwak was also felt widely in the region and resulted in some minor damage. The earthquake on 17 September is also the most damaging in the Koyna-Warna region, as well as in western Maharashtra since a ML=5.1 earthquake in the Koyna-Warna region on 14 March 2005. It is the deadliest in western Maharashtra since an ML=3.0 earthquake on 27 March 2003 that killed one person.


References
01) National Earthquake Information Centre, Golden, CO, USA (NEIC/PDE).
02)
Maharashtra Engineering Research Institute (MERI), Nashik, India.
03) Macroseismic information has been compiled by the ASC from reports by local media and local NGO personnel.

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