M 5.2 earthquake: North Pacific Ocean (Japan) — April 22, 1977

M 5.2 earthquake: North Pacific Ocean (Japan) — April 22, 1977. Epicenter 997 km SE of Hamamatsu, depth 27 km, 02:20 Local (1977-04-21 17:20 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (997 km SE, Japan) — 26.696, 142.388

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