Important Issues in Disasters
日本語版(Japanese) In recent years, Japan has experienced a series of major disasters caused by earthquakes, torrential rains, and typhoons.In recent disasters, the Great Kanto Earthquake caused by the Taisho Kanto …
Questions about JMA seismic intensity
日本語版 (Japanese) This section explains the questions many people have about the JMA’s seismic intensity. About seismic intensity Here, I would like to briefly mention seismic intensity.In Japan, the …
About Tsunami
Japanese (日本語版) What is a Tsunami? It is a large wave that moves the entire seawater from the ocean floor to the sea surface and spreads out around …
EEW (Earthquake Early Warning)
日本語版 (Japanese) What is an EEW? EEW is a system that predicts the arrival time and shaking of earthquakes immediately after they occur, and provides this information quickly …
About Earthquake
日本語版 (Japanese) In order to check earthquake information, a minimum knowledge of earthquakes is a prerequisite. In this section, “seismic intensity“, “magnitude” and “long-period seismic motion class” are …