M 4.8 earthquake: North Pacific Ocean (Japan) — April 1, 1987

M 4.8 earthquake: North Pacific Ocean (Japan) — April 1, 1987. Epicenter 476 km S of Hamamatsu, depth 447 km, 06:07 Local (1987-03-31 21:07 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (476 km S, Japan) — 30.465, 138.273

EarthquakeLive.org