M 4.7 earthquake: North Pacific Ocean (Japan) — October 20, 1986

M 4.7 earthquake: North Pacific Ocean (Japan) — October 20, 1986. Epicenter 508 km S of Hamamatsu, depth 440 km, 06:11 Local (1986-10-19 21:11 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (508 km S, Japan) — 30.206, 138.567

EarthquakeLive.org