M 5.0 Earthquake: Caribbean Sea (San Juan, Puerto Rico) — September 7, 1978

M 5.0 Earthquake: Caribbean Sea (San Juan, Puerto Rico) — September 7, 1978. Epicenter 208 km NE of San Juan, depth 37 km, 16:36 Local (1978-09-07 20:36 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Caribbean Sea (208 km NE of San Juan, Puerto Rico) — 19.871, -64.859

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