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Earthquake Information

Earthquakes within the last week
Seismic Intensity Information Earthquake Information Earthquake and Seismic Intensity Informatio Information on seismic intensity at each site Information about distant earthquake

[Information on seismic intensity at each site]
The map and text below show a) the observed Seismic Intensity (1 and above) and its location, b) the date and time of the earthquake, and c) its epicenter and magnitude.

Click the map to zoom in except for Izu islands and Ogasawara

Earthquake Information (Information on seismic intensity at each site)
Issued at 14:39 JST 13 Mar 2018

Occurred at (JST) Latitude
Depth Magnitude Region Name
14:36 JST 13 Mar 2018 35.6N 141.2E 20 km 3.7 Chiba-ken Toho-oki

Seismic Intensity at each station
(* mark: Local Governments' or NIED's station)
PrefectureJMA Seismic IntensityStation Name
Chiba1Choshi-shi Wakamiyacho*
Shibayama-machi Koike*

This earthquake poses no tsunami risk.
"-" in the above information represents an indeterminable value.

Some of the names of cities/towns/villages in the message are the versions used before the areas were administratively united.