M 4.6 earthquake: North Pacific Ocean (Japan) — March 27, 1974

M 4.6 earthquake: North Pacific Ocean (Japan) — March 27, 1974. Epicenter 257 km SE of Yokohama, depth 60 km, 23:38 Local (1974-03-27 14:38 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (257 km SE, Japan) — 33.381, 140.891

EarthquakeLive.org