M 4.5 earthquake: North Pacific Ocean (Japan) — May 23, 1993

M 4.5 earthquake: North Pacific Ocean (Japan) — May 23, 1993. Epicenter 834 km S of Hamamatsu, depth 451 km, 04:46 Local (1993-05-22 19:46 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (834 km S, Japan) — 27.504, 140.142

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