M 4.7 earthquake: North Pacific Ocean (Japan) — August 1, 1991

M 4.7 earthquake: North Pacific Ocean (Japan) — August 1, 1991. Epicenter 352 km SE of Yokohama, depth 40 km, 06:44 Local (1991-07-31 21:44 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (352 km SE, Japan) — 32.785, 141.706

EarthquakeLive.org