Title |
Content and Timing to be issued |
Seismic Intensity Information |
This information is issued within about two minutes from an earthquake to provide information on the regions where seismic intensity of 3 or more was observed. Each prefecture is divided into 2 or more regions. |
Earthquake Information |
The location and magnitude of an earthquake is determined within about three minutes. In case of no tsunamigenic earthquake, the message of “Tsunami is not expected” is added. |
Earthquake and Seismic Intensity Information |
This information indicates the location of the hypocenter, magnitude, and name of regions, cities, towns and villages in which intensity of 3 or more was observed. |
Information on seismic intensity at each site |
All stations which observed intensity of 1 or more, hypocenter location and magnitude of the earthquake are provided. |
Shake Map |
Just after an earthquake, the shaking-intensity map is prepared. This map is produced taking into account local geological conditions and observed seismic intensity |
Information on the number of earthquakes |
When earthquakes occur frequently in a same place called earthquake swarm, hourly/daily number of earthquakes is provided. |