Kyushu Region

a)On 19 and 2 May, in the Hyuga Nada sea, there were M4.4 events, which occurred in the same area as an M4.1 event on the 17th. In 1996, there were two M6.6 events about 50 km south of this seismic activity.

Also, outside this time period, on 6 June there was an M6.1 event (maximum seismic intensity 3) south of Amami Oshima island. There was also seismic activity including an M4.8 event (maximum seismic intensity 5 lower) on 8 June in the Kumamoto region of Kumamoto Prefecture.

Note: Within square brackets ([ ]) is the epicenter place name used by the Meteorological Agency in its information releases

Note:
M=magnitude
N: total number of events in the figure
depth=depth of hypocenter
UND=Earthquakes of less than M1.0 and earthquakes whose magnitude was not recorded.
The key to the symbols shows on the left the size of an earthquake and on the right the depth of the hypocenter.

Japan Meteorological Agency,Science and Technology Agency

Seismic Activity in Japan May 2000