M 5.1 earthquake: Caribbean Sea (Mayagüez, Puerto Rico) — December 17, 2011

M 5.1 earthquake: Caribbean Sea (Mayagüez, Puerto Rico) — December 17, 2011. Epicenter 25 km W of Mayagüez, depth 17 km, 02:09 Local (2011-12-17 06:09 UTC). Shaking felt by ~1.3M people. Readings from every reporting agency, affected towns, aftershock sequence.

Caribbean Sea (25 km W of Mayagüez, Puerto Rico) — 18.172, -67.371

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