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Minor earthquake, 3.12 mag has occurred near Brenas in Puerto Rico

Posted by admin on December 25, 2025 0 Comments

Earthquake location 18.897S, -66.300833333333WA minor earthquake magnitude 3.12 (ml/mb) strikes 47 kilometers (29 miles) from Brenas in Puerto Rico on Thursday. Event ids that are associated to the earthquake: pr71503088. Id of event: pr71503088. The epicenter of the earthquake was roughly 40.77 km (25 miles) below the earth’s surface. Exact location of event, longitude -66.300833333333 West, latitude 18.897 North, depth = 40.77 km. The temblor was detected at 13:25:31 / 1:25 pm (local time epicenter). Exact time and date of earthquake 25/12/25 / 2025-12-25 13:25:31 / December 25, 2025 @ 1:25 pm UTC/GMT.

Epicenter of the earthquake was 52 km (32 miles) from San Juan (c. 418 100 pop), 57 km (36 miles) from Bayamón (c. 203 500 pop), 68 km (42 miles) from Carolina (c. 170 400 pop), 78 km (49 miles) from Caguas (c. 86 800 pop), 63 km (39 miles) from Guaynabo (c. 81 400 pop). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Gurabo, Barranquitas, Caguas. Country/countries that might be effected, Puerto Rico (c. 3 917 000 pop).

Earthquakes 2.5 to 3.2 are often felt, but only causes minor damage. In the past 24 hours, there have been one, in the last 10 days ten, in the past 30 days thirty-eight and in the last 365 days three hundred and sixty-seven earthquakes of magnitude 3.0 or greater that have been detected in the same area. There are an estimated 130,000 minor earthquakes in the world each year.

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. This data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 47 km N of Brenas, Puerto Rico.

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More information

Parameter Value Description
Magnitude 3.12 mb The magnitude for the event.
Longitude -66.300833333333° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.897° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 40.77 km Depth of the event in kilometers.
Place 47 km N of Brenas, Puerto Rico Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2025-12-25 13:25:31 Time when the event occurred. UTC/GMT
Updated 2025-12-25 14:24:02 Time when the event was most recently updated. UTC/GMT
Timezone offset Timezone offset from UTC in minutes at the event epicenter.
Felt The total number of felt reports
CDI The maximum reported intensity for the event.
MMI The maximum estimated instrumental intensity for the event.
Alert Level The alert level from the PAGER earthquake impact scale. Green, Yellow, Orange or Red.
Review Status reviewed Indicates whether the event has been reviewed by a human.
Tsunami 0 This flag is set to "1" for large events in oceanic regions and "0" otherwise. The existence or value of this flag does not indicate if a tsunami actually did or will exist.
SIG 150 A number describing how significant the event is. Larger numbers indicate a more significant event.
Network pr The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,pr, A comma-separated list of network contributors.
Number of Stations Used 20 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.4706 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.19 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 232 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type md The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID pr71503088 Id of event.
Event Code 71503088 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr71503088, A comma-separated list of event ids that are associated to an event.

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