M 4.6 earthquake: North Pacific Ocean (Japan) — April 28, 1989

M 4.6 earthquake: North Pacific Ocean (Japan) — April 28, 1989. Epicenter 529 km SE of Shizuoka, depth 117 km, 20:12 Local (1989-04-28 11:12 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (529 km SE, Japan) — 30.588, 140.556

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