JDR Vol.4 No.4 pp. 595-599
doi: 10.20965/jdr.2009.p0267


History and Challenge of Tsunami Warning Systems in Japan

Fumihiko Imamura and Ikuo Abe

Disaster Control Research Center, Graduate School of Engineering, Tohoku University, Aoba 6-6-11, Sendai 980-8579, Japan

May 5, 2009
July 26, 2009
August 1, 2009
tsunami forecasting, warning, evacuation
History of development of Tsunami Warning System in Japan started in 1952 after the tsunami warning/forecast system formulated at Sanriku is introduced. The system estimated the earthquake epicenter and magnitude, and issued the forecast by referring to the tsunami forecast maps. In 1999, the Japan Meteorological Agency (JMA) has introduced the computer-aided simulation system for quantitative tsunami forecasting, in which tsunami arrival times and heights are simulated and stored in the database for forecasting tsunamis. The JMA has been further updating the system and now can issue the forecast 2 to 3 minutes after occurrence of an earthquake. By reviewing the response of the people for past tsunamis forecasting and information in an example case of the 2006 Kurile Earthquake tsunami, we discuss the issues such as accuracy, detail and canceling in order to improve the system.
Page numbers have been changed. Old numbers: pp. 267-271
Cite this article as:
F. Imamura and I. Abe, “History and Challenge of Tsunami Warning Systems in Japan,” J. Disaster Res., Vol.4 No.4, pp. 595-599, 2009.
Data files:
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