M 4.6 earthquake: North Pacific Ocean (Japan) — January 12, 1988

M 4.6 earthquake: North Pacific Ocean (Japan) — January 12, 1988. Epicenter 792 km S of Hamamatsu, depth 494 km, 21:51 Local (1988-01-12 12:51 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (792 km S, Japan) — 27.817, 139.818

EarthquakeLive.org