A new multi-sensor approach to simulation assisted tsunami early warning

Behrens, J.; Androsov, A.; Babeyko, A. Y.; Harig, S.; Klaschka, F.; Mentrup, L.

doi:10.5194/nhess-10-1085-2010

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A new multi-sensor approach to simulation assisted tsunami early warning

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Behrens, J., Androsov, A., Babeyko, A. Y., Harig, S., Klaschka, F., & Mentrup, L. (2010). A new multi-sensor approach to simulation assisted tsunami early warning. NATURAL HAZARDS AND EARTH SYSTEM SCIENCES, 10(6), 1085-1100. doi:10.5194/nhess-10-1085-2010.

Cite as: https://hdl.handle.net/11858/00-001M-0000-0015-882B-3

Abstract

A new tsunami forecasting method for near-field tsunami warning is presented. This method is applied in the German-Indonesian Tsunami Early Warning System, as part of the Indonesian Tsunami Warning Center in Jakarta, Indonesia. The method employs a rigorous approach to minimize uncertainty in the assessment of tsunami hazard in the near-field. Multiple independent sensors are evaluated simultaneously in order to achieve an accurate estimation of coastal arrival times and wave heights within very short time after a submarine earthquake event. The method is validated employing a synthetic (simulated) tsunami event, and in hindcasting the minor tsunami following the Padang 30 September 2009 earthquake.