M 4.8 earthquake: North Pacific Ocean (Japan) — July 22, 1991

M 4.8 earthquake: North Pacific Ocean (Japan) — July 22, 1991. Epicenter 944 km SE of Yokohama, depth 33 km, 07:44 Local (1991-07-21 21:44 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (944 km SE, Japan) — 28.03, 144.5

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