A minor earthquake magnitude 3.4 (ml/mb) strikes 54 kilometers (34 miles) from San Antonio in Puerto Rico on Saturday. Exact location of earthquake, -67.338166666667° West, 18.933333333333° North, depth 6.24 km. Event id: pr71496623. Ids that are associated to the earthquake: pr71496623. The 3.4-magnitude earthquake has occurred at 16:01:05 / 4:01 pm (local time epicenter). Exact time and date of earthquake 27/09/25 / 2025-09-27 16:01:05 / September 27, 2025 @ 4:01 pm UTC/GMT. The earthquake occurred at a depth of 6.24 km (4 miles).

Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Arecibo, San Sebastián, Añasco. Epicenter of the event was 83 km (52 miles) from Arecibo (c. 49 300 pop), 59 km (37 miles) from Aguadilla (c. 16 100 pop), 58 km (36 miles) from Isabela (c. 12 500 pop), 76 km (47 miles) from San Sebastián (c. 11 600 pop), 75 km (47 miles) from Añasco (c. 6 100 pop). Nearby country/countries that might be effected, Puerto Rico (c. 3 917 000 pop).

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

Questions or comments?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity and damage at your home, city and country. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 54 km NNW of San Antonio, Puerto Rico. This information comes from the USGS Earthquake Notification Service.

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