Minor earthquake, 3.25 mag has occurred near Isabela in Puerto Rico

A minor earthquake magnitude 3.25 (ml/mb) strikes 55 kilometers (34 miles) from Isabela in Puerto Rico on Monday. The temblor was picked up at 14:58:37 / 2:58 pm (local time epicenter). The earthquake occurred at a depth of 9.12 km (6 miles). Global date and time of event UTC/GMT: 05/05/25 / 2025-05-05 14:58:37 / May 5, 2025 @ 2:58 pm. Exact location, longitude -66.9545° West, latitude 18.997666666667° North, depth = 9.12 km. Id of earthquake: pr71481463. Event ids that are associated: us7000px99, pr71481463.

Nearest cities/city/towns to hypocenter/epicentrum was Florida, Añasco, Estancias de Florida (min 5000 pop). Earthquake epicenter was 64 km (40 miles) from Arecibo (c. 49 300 pop), 75 km (47 miles) from Barceloneta (c. 22 300 pop), 80 km (50 miles) from Manatí (c. 16 100 pop), 67 km (42 miles) from Aguadilla (c. 16 100 pop), 56 km (35 miles) from Isabela (c. 12 500 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 two, in the last 10 days fourty-eight, in the past 30 days sixty-two and in the last 365 days four hundred and thirty-two earthquakes of magnitude 3.0 or greater that has occurred 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. 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: 55 km N of Isabela, Puerto Rico.

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Parameter	Value	Description
Magnitude	3.25 mb	The magnitude for the event.
Longitude	-66.9545° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	18.997666666667° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	9.12 km	Depth of the event in kilometers.
Place	55 km N of Isabela, 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	2025-05-05 14:58:37	Time when the event occurred. UTC/GMT
Updated	2025-05-05 16:03:29	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	162	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	,us,pr,	A comma-separated list of network contributors.
Number of Stations Used	17	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	0.5479	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.31 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	217	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	pr71481463	Id of event.
Event Code	71481463	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us7000px99,pr71481463,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake, 3.25 mag has occurred near Isabela in Puerto Rico

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