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Please use this identifier to cite or link to this item: http://hdl.handle.net/2264/1082

Title: Cellular-based and internet-enabled real-time reporting of the tsunami at Goa and Kavaratti Island due to Mw 8.4 earthquake in Sumatra on 12 September 2007
Authors: Desai, R.G.P.
Joseph, A.
Mehra, P.
Agarvadekar, Y.
Tengali, S.
Vijaykumar, K.
Citation: Current Science, vol.94(9); 1151-1157p.
Issue Date: 2008
Publisher: Current Science Association
Abstract: The tsunami at Goa (west coast of India) and Kavaratti Island (Lakshadweep archipelago) in the Arabian Sea, caused by the 12 September 2007 Sumatra earthquake, was reported from cellular-based sea-level gauges in real-time on the Internet designed and established by the National Institute of Oceanography, Goa, India. The tsunami arrived at Kavaratti Island and Goa after traveling nearly 5 h : 15 min and 8 h respectively, from the source region in Sunda trench. The maximum trough-to-crest wave height at Kavaratti and Goa was approx. 5 and 29 cm respectively, and the dominant period was about 43 min. Arrival of a detectable tsunami signal first at Kavaratti Island and 2 h : 45 min later at the shallower Goa coastal region (Verem jetty) of the mainland indicates the importance of having highsensitivity real-time monitoring and Internet-accessible sea-level stations on India’s island locations for effective tsunami-warning purposes for the mainland.
Document type: Journal Article
URI: http://hdl.handle.net/2264/1082
Appears in Collections:Engineering & Instrumentation

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