M 5.4 earthquake: North Pacific Ocean (Japan) — August 27, 1990

M 5.4 earthquake: North Pacific Ocean (Japan) — August 27, 1990. Epicenter 711 km S of Yokohama, depth 34 km, 19:52 Local (1990-08-27 10:52 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (711 km S, Japan) — 29.361, 141.972

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