M 4.4 earthquake: Caribbean Sea (Mayagüez, Puerto Rico) — September 23, 2019

M 4.4 earthquake: Caribbean Sea (Mayagüez, Puerto Rico) — September 23, 2019. Epicenter 103 km N of Mayagüez, depth 6 km, 23:51 Local (2019-09-24 03:51 UTC). Shaking felt by ~64K people. Readings from every reporting agency, affected towns, aftershock sequence.

Caribbean Sea (103 km N of Mayagüez, Puerto Rico) — 19.1271, -67.2315

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