M 4.7 earthquake: Caribbean Sea (San Juan, Puerto Rico) — March 29, 1976

M 4.7 earthquake: Caribbean Sea (San Juan, Puerto Rico) — March 29, 1976. Epicenter 108 km E of San Juan, depth 110 km, 02:15 Local (1976-03-29 06:15 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Caribbean Sea (108 km E of San Juan, Puerto Rico) — 18.348, -65.114

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