M 5.3 earthquake: Caribbean Sea (San José, Costa Rica) — October 17, 1973

M 5.3 earthquake: Caribbean Sea (San José, Costa Rica) — October 17, 1973. Epicenter 86 km S of San José, depth 41 km, 19:09 Local (1973-10-18 01:09 UTC). Shaking felt by ~3.6M people. Readings from every reporting agency, affected towns, aftershock sequence.

Caribbean Sea (86 km S of San José, Costa Rica) — 9.166, -83.981

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