Minor earthquake, 3.3 mag strikes near Stella in Puerto Rico

A minor earthquake with magnitude 3.3 (ml/mb) was detected on Monday, 17 kilometers (11 miles) from Stella in Puerto Rico. Exact location of earthquake, -67.357833333333° West, 18.2085° North, depth 11.92 km. All ids that are associated to the event: pr71501113. Unique identifier: pr71501113. The temblor was reported at 06:16:01 / 6:16 am (local time epicenter). The earthquake occurred at a depth of 11.92 km (7 miles) below the earth’s surface. Global time and date of event 01/12/25 / 2025-12-01 06:16:01 / December 1, 2025 @ 6:16 am UTC/GMT.

Country/countries that might be effected, Puerto Rico (c. 3 917 000 pop). Closest city/cities/towns to epicentrum/hypocenter was Ponce, Jayuya, Arecibo (min 5000 pop). Epicenter of the event was 82 km (51 miles) from Ponce (c. 152 600 pop), 23 km (14 miles) from Mayagüez (c. 78 600 pop), 74 km (46 miles) from Arecibo (c. 49 300 pop), 57 km (35 miles) from Yauco (c. 20 300 pop), 67 km (42 miles) from Adjuntas (c. 19 500 pop).

There are an estimated 130,000 minor earthquakes in the world each year. In the past 24 hours, there have been two, in the last 10 days six, in the past 30 days fifteen and in the last 365 days three hundred and eighty-two earthquakes of magnitude 3.0 or greater that have been detected in the same area. Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage.

Questions or comments?

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, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 17 km SW of Stella, Puerto Rico. This data comes from the USGS Earthquake Notification Service.

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Parameter	Value	Description
Magnitude	3.3 mb	The magnitude for the event.
Longitude	-67.357833333333° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	18.2085° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	11.92 km	Depth of the event in kilometers.
Place	17 km SW of Stella, 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	2025-12-01 06:16:01	Time when the event occurred. UTC/GMT
Updated	2025-12-01 07:07:19	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	168	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	26	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	0.1643	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.33 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	154	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	pr71501113	Id of event.
Event Code	71501113	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,pr71501113,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake, 3.3 mag strikes near Stella in Puerto Rico

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