M 4.8 earthquake: Caribbean Sea (Liberia, Costa Rica) — November 1, 1977

M 4.8 earthquake: Caribbean Sea (Liberia, Costa Rica) — November 1, 1977. Epicenter 43 km NW of Liberia, depth 71 km, 23:51 Local (1977-11-02 05:51 UTC). Shaking felt by ~869K people. Readings from every reporting agency, affected towns, aftershock sequence.

Caribbean Sea (43 km NW of Liberia, Costa Rica) — 10.822, -85.776

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