M 6.1 earthquake: North Pacific Ocean (Japan) — August 19, 1938

M 6.1 earthquake: North Pacific Ocean (Japan) — August 19, 1938. Epicenter 309 km NE of Naha, depth 35 km, 04:06 Local (1938-08-18 19:06 UTC). Shaking felt by ~588K people. Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (309 km NE, Japan) — 28.4, 129.597

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