M 4.8 earthquake: North Pacific Ocean (Japan) — April 7, 1988

M 4.8 earthquake: North Pacific Ocean (Japan) — April 7, 1988. Epicenter 631 km SE of Hamamatsu, depth 111 km, 14:36 Local (1988-04-07 05:36 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (631 km SE, Japan) — 29.608, 140.652

EarthquakeLive.org