M 7.7 earthquake: Caribbean Sea (Mayagüez, Puerto Rico) — July 29, 1943

M 7.7 earthquake: Caribbean Sea (Mayagüez, Puerto Rico) — July 29, 1943. Epicenter 78 km N of Mayagüez, depth 15 km, 00:02 Local (1943-07-29 03:02 UTC). Shaking felt by ~24.4M people. Readings from every reporting agency, affected towns, aftershock sequence.

Caribbean Sea (78 km N of Mayagüez, Puerto Rico) — 18.907, -67.118

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