Seismic activity in the whole of Japan February 2000 (Magnitude 4 and greater)

A deep-focus M6.3 earthquake occurred in the vicinity of Vladivostok.An M5.1 earthquake occurred offshore of Fukushima Pref. on the east side of the marine-trench axis. An M5.5 earthquake occurred in the sea near Torishima Island. A fairly deep-focus M5.2 earthquake occurred in the sea near Ishigakijima Island. An M5.1 earthquake occurred in the vicinity of Taiwan.

Note:
M=magnitude
N: total number of events in the figure
depth=depth of hypocenter
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 February 2000