M 4.9 earthquake: North Pacific Ocean (Japan) — March 28, 1978

M 4.9 earthquake: North Pacific Ocean (Japan) — March 28, 1978. Epicenter 357 km NE of Kushiro, depth 45 km, 23:48 Local (1978-03-28 13:48 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (357 km NE, Japan) — 44.233, 148.448

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