Seismic activity in the area of Beppu Bay


On April 29, there was a shallow M4.0 event at a depth of 11 km, and multiple aftershocks were observed. The mechanism was a normal fault type on a south-north tension axis. Also, in December of last year, there was concentrated seismic activity in the southwestern part of this area of activity.


Japan Meteorological Agency


Seismic Activity in Japan April 2000