M 4.9 earthquake: North Pacific Ocean (Japan) — July 18, 1984

M 4.9 earthquake: North Pacific Ocean (Japan) — July 18, 1984. Epicenter 338 km E of Kushiro, depth 33 km, 16:49 Local (1984-07-18 06:49 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (338 km E, Japan) — 44.028, 148.311

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