A minor earthquake with magnitude 3.21 (ml/mb) was reported 15 kilometers (9 miles) from San Antonio in Puerto Rico on Thursday. Global time and date of event 07/08/25 / 2025-08-07 05:43:52 / August 7, 2025 @ 5:43 am UTC/GMT. The epicenter was at a depth of 71.95 km (45 miles). Exact location of earthquake, -67.140333333333° West, 18.6265° North, depth 71.95 km. The temblor was picked up at 05:43:52 / 5:43 am (local time epicenter). Unique identifier: pr71491883. Ids that are associated to the event: pr71491883.

Earthquake epicenter was 47 km (29 miles) from Mayagüez (c. 78 600 pop), 48 km (30 miles) from Arecibo (c. 49 300 pop), 66 km (41 miles) from Barceloneta (c. 22 300 pop), 73 km (45 miles) from Yauco (c. 20 300 pop), 68 km (42 miles) from Adjuntas (c. 19 500 pop). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Ciales, Peñuelas, Guayanilla. Close country/countries that might be effected, Puerto Rico (c. 3 917 000 pop).

In the past 24 hours, there have been three, in the last 10 days sixteen, in the past 30 days thirty-one and in the last 365 days five hundred and fifty-seven earthquakes of magnitude 3.0 or greater that has struck near. Every year there are an estimated 130,000 minor earthquakes in the world. Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage.

Did you feel the quake?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 15 km NNW of San Antonio, Puerto Rico. This information comes from the USGS Earthquake Notification Service.

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