M 5.1 earthquake: North Pacific Ocean (Japan) — April 21, 1985

M 5.1 earthquake: North Pacific Ocean (Japan) — April 21, 1985. Epicenter 554 km S of Hamamatsu, depth 511 km, 22:28 Local (1985-04-21 13:28 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (554 km S, Japan) — 29.734, 137.776

EarthquakeLive.org