M 4.8 earthquake: Caribbean Sea (Puntarenas, Costa Rica) — December 3, 1977

M 4.8 earthquake: Caribbean Sea (Puntarenas, Costa Rica) — December 3, 1977. Epicenter 81 km S of Puntarenas, depth 59 km, 06:24 Local (1977-12-03 12:24 UTC). Shaking felt by ~1.5M people. Readings from every reporting agency, affected towns, aftershock sequence.

Caribbean Sea (81 km S of Puntarenas, Costa Rica) — 9.259, -84.686

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