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JDR Vol.15 No.2 pp. 144-151
(2020)
doi: 10.20965/jdr.2020.p0144

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Prior and Real-Time Estimations of Ground Motions, Tsunamis, and Other Geodynamic Hazards

Takao Kagawa*,† and Yusaku Ohta**

*Graduate School of Engineering, Tottori University
4-101 Koyamacho-Minami, Tottori, Tottori 680-8552, Japan

†Corresponding author

**Graduate School of Science, Tohoku University, Miyagi, Japan

Received:
August 29, 2019
Accepted:
September 20, 2019
Published:
March 20, 2020
Creative Commons License
Keywords:
prior prediction, real-time estimation, earthquake ground motion, tsunami, geodynamic hazard
Abstract

In this research area, methodologies for prior predictions of potential hazards and real-time estimations of progressing hazards caused by earthquakes and volcanic eruptions are proved for disaster mitigation. The studies are based on the latest understanding of earthquake processes, volcanic activities, and the crustal structure. The studies have been conducted through the co-operation of the research fields of disaster prevention engineering and social science, in conjunction with the practical services of on-site works, to effectively provide the people with advance and immediately prior predictions. Predicting hazard potentials with high accuracy is important to the planning of disaster countermeasures. The hazards include ground motions, tsunamis, and land slides due to earthquakes as well as flows of volcanic ash and lava from volcanic activities. Real-time estimation of hazards and simultaneous transmission of the estimated results are also help in the mitigation of secondary hazards that followed the main disaster. Typical examples of the results are presented in this review paper.

Cite this article as:
T. Kagawa and Y. Ohta, “Prior and Real-Time Estimations of Ground Motions, Tsunamis, and Other Geodynamic Hazards,” J. Disaster Res., Vol.15 No.2, pp. 144-151, 2020.
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