M 6.0 earthquake: North Pacific Ocean (Japan) — February 19, 1977

M 6.0 earthquake: North Pacific Ocean (Japan) — February 19, 1977. Epicenter 285 km SE of Yokohama, depth 42 km, 05:51 Local (1977-02-18 20:51 UTC). Shaking felt by ~1.8M people. Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (285 km SE, Japan) — 33.071, 140.817

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