M 4.9 earthquake: North Pacific Ocean (Japan) — October 6, 1975

M 4.9 earthquake: North Pacific Ocean (Japan) — October 6, 1975. Epicenter 303 km SE of Yokohama, depth 21 km, 14:25 Local (1975-10-06 05:25 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (303 km SE, Japan) — 33.533, 141.971

EarthquakeLive.org