A New Paradigm to Detect Tsunamis by Satellite

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A New Paradigm for Detecting Tsunamis by Remote Sensing

Locations of Earthquakes in the Indian Ocean on 12/26/2004

A New Paradigm for Detecting Tsunamis by Satellites

Detecting tsunamis is a vital task in order to be able to issue urgent warnings to the coastal population to evacuate. At present the only method used is the DART method, which has a success rate of only 25%. Many evacuation orders are issued without a tsunami’s actual occurring.

A team of computer scientists at Chulalongkong University, Bangkok, Thailand has discovered a new method to detect a tsunami at its birth by examining the infrared radiation emitted by the erupting tsunami at its epicenter. They used the Chinese meteorological satellite FY-2C which is geostationary above Thailand, and was able to detect the tsunami radiation originating from submarine earthquakes. The accuracy is very high (almost 100% in theory) and is more economical compared to present methods.

Team members are: F.C.Lin, K. na Nakornphanom, K. Sookhanaphibarn and C.Lursinsap.

The study is published in International Journal of Geoinformatics, Vol.6 No.1, March, 2010, p.19-30.

Dr. Lin is Professor Emeritus of the University of Maryland System.

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