M 4.9 earthquake: North Pacific Ocean (Japan) — March 10, 1984

M 4.9 earthquake: North Pacific Ocean (Japan) — March 10, 1984. Epicenter 547 km S of Hamamatsu, depth 423 km, 09:11 Local (1984-03-10 00:11 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (547 km S, Japan) — 29.921, 139.001

EarthquakeLive.org