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Kunnakulam (Kerala) Earthquake Sequence, 2006

Date:

December 2006

Epicentre:

NE of Kunnakulam, Kerala

Time:

(multiple events)

Latitude:

(multiple events)

Longitude:

(multiple events)

Depth:

(multiple events)

Magnitude:

(multiple events)

Additional Info


Map Disclaimer


A light earthquake struck the coastal Kunnakulam region in northern Kerala on 20 December 2006 at 19:19 local time causing slight damage to property. The earthquake had a magnitude of ML=2.8 and was felt at many places in the districts of Mallapuram, Pallakad and Thrissur. Several mild aftershocks were experienced in region in the following days. Another earthquake of ML=3.0 was felt at many places in the region on 27 December 2006.

The earthquake on 20 December was centred 9.4 kms NE of Kunnakulam (Kerala), India,
12.5 kms W of Vadakkancheri (Kerala), India,
15 kms SW of Shoranur (Kerala), India,
22.2 kms NNW of Thrissur (Kerala), India,
41.4 kms NNW of Irinjalakuda (Kerala), India,
56.3 kms W of Pallakad (Kerala), India,
74 kms SSE of Kozhikode (Kerala), India,
77.6 kms NNW of Kochi (Kerala), India,
261 kms NNW of Thiruvananthapuram (Kerala), India
.

Tremors from the 20 December 2006 event were felt in parts of Pallakad and Thrissur districts of Kerala. No loss of life or serious damage to property has been reported from either district. In Thrissur district, the earthquake was experienced at Chavakkad, Cheruthuruthy, Edakkazhiyur, Edappal, Erumetty, Guruvayur, Kumaranellur, Kunnamkulam, Pavaratty, Thalappilly, Thirthala, Thiruvathra, Vadakkancheri and Velur. Windows rattled, utensils fell from shelves and some buildings developed minor cracks. People ran outdoors in some instances and power supply was disrupted at a few places. It was also felt at Thrissur. In Palakkad district, mild tremors were also felt at Challiserry, Chathannur, Kuttanad and Thirumittakodu.

A mild aftershock of magnitude ML=1.5 was felt at Cheruthuruthy at 20:55 PM IST (15:25 UTC) on 20 December 2006. Further aftershocks were felt on 21 and 22 December. On 21 December a ML=2.3 event occurred at 12:42 AM IST (07:12 UTC). On 22 December a ML=1.6 event struck at 08:27 AM IST and a ML=1.7 at 15:53 PM IST. The aftershock on 21 December was felt for a few seconds at Cherur, Chittanda, Desamangalam, Kattakambal, Kecheri, Kunnakulam, Kuttanad, Parappur, Pattambi, Peramangalam, Shoranur, Thalassery, Thirumittakodu, Vadakkancheri, Varavoor and Velur and people heard a loud boom; some ran outdoors. The aftershock on the morning of 22 December was felt at Challisery, Chathnanur, Desamangalam, Kuttanad, Pattambi, Thalassery, Thirumittakodu & Varavoor and a few buildings developed minor cracks. In Palakkad district, seven houses developed cracks at Thirumittakodu and one at Thrithala.

The earthquake on 27 December was centred 8.7 kms NE of Kunnakulam (Kerala), India,
12 kms W of Vadakkancheri (Kerala), India,
15.5 kms SW of Shoranur (Kerala), India,
20.6 kms NNW of Thrissur (Kerala), India,
40.1 kms NNW of Irinjalakuda (Kerala), India,
56.8 kms W of Pallakad (Kerala), India,
74.9 kms SSE of Kozhikode (Kerala), India,
76.2 kms NNW of Kochi (Kerala), India,
259 kms NNW of Thiruvananthapuram (Kerala), India
.

Tremors from the 27 December 2006 event were felt in parts of Pallakad and Thrissur districts of Kerala. Shocks from this event were very distinctl
y felt in the towns of Amala, Ayanthole, Kecheri and Paturackal. The tremor was also felt at Changaramkulam, Cheruthuruthy, Chovannur, Desamangalam, Guruvayur, Kunnamkulam, Thalassery, Vadakkancheri and Varavur as well as many parts of Thrissur town for 2-8 seconds.


References
01) Centre for Earth Science Studies (CESS), Thiruvananthapuram, India.
0
2) India Meteorological Department (IMD), Delhi, India.
03) Macroseismic information has been compiled by the ASC from reports by local media and local NGO personnel.

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Page Updated: 22 Feb 2008 | Website Disclaimer

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