Minor earthquake, 3.27 mag has occurred near Culebra in Puerto Rico

A minor earthquake magnitude 3.27 (ml/mb) has struck on Thursday, 82 km N of Culebra, Puerto Rico (51 miles). Exact time and date of event in UTC/GMT: 04/12/25 / 2025-12-04 19:23:53 / December 4, 2025 @ 7:23 pm. The temblor was detected at 19:23:53 / 7:23 pm (local time epicenter). The epicenter of the earthquake was roughly 47.35 km (29 miles) below the earth’s surface. Event ids that are associated to the earthquake: us7000rflv, pr71501443. Id of event: pr71501443. Exact location of event, longitude -65.374333333333 West, latitude 19.0415 North, depth = 47.35 km.

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

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Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home and country. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 82 km N of Culebra, Puerto Rico. This information comes from the USGS Earthquake Notification Service.

Culebra Puerto Rico

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Parameter	Value	Description
Magnitude	3.27 mb	The magnitude for the event.
Longitude	-65.374333333333° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	19.0415° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	47.35 km	Depth of the event in kilometers.
Place	82 km N of Culebra, 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	2025-12-04 19:23:53	Time when the event occurred. UTC/GMT
Updated	2025-12-04 20:27:41	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	165	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	19	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	0.7916	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.22 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	236	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	pr71501443	Id of event.
Event Code	71501443	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us7000rflv,pr71501443,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake, 3.27 mag has occurred near Culebra in Puerto Rico

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