Minor earthquake, 3.22 mag has occurred near Carrizales in Puerto Rico

A minor earthquake magnitude 3.22 (ml/mb) strikes 12 kilometers (7 miles) from Carrizales in Puerto Rico on Monday. All ids that are associated to the event: pr71501128. Unique identifier: pr71501128. The earthquake was roughly at a depth of 78.59 km (49 miles). Global date and time of event UTC/GMT: 01/12/25 / 2025-12-01 06:40:12 / December 1, 2025 @ 6:40 am. The 3.22-magnitude earthquake was detected at 06:40:12 / 6:40 am (local time epicenter). Exact location of event, depth 78.59 km, -66.760333333333° West, 18.5885° North.

Close country/countries that might be effected, Puerto Rico (c. 3 917 000 pop). Epicenter of the earthquake was 70 km (44 miles) from San Juan (c. 418 100 pop), 67 km (42 miles) from Bayamón (c. 203 500 pop), 66 km (41 miles) from Ponce (c. 152 600 pop), 73 km (45 miles) from Guaynabo (c. 81 400 pop), 59 km (37 miles) from Mayagüez (c. 78 600 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Santa Isabel, Aguas Buenas, Cidra.

There are an estimated 130,000 minor earthquakes in the world each year. In the past 24 hours, there have been four, in the last 10 days ten, in the past 30 days twenty and in the last 365 days four hundred and fourty-nine 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.

How would you describe the shaking?

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: 12 km NNE of Carrizales, Puerto Rico. This information comes from the USGS Earthquake Notification Service.

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Parameter	Value	Description
Magnitude	3.22 mb	The magnitude for the event.
Longitude	-66.760333333333° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	18.5885° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	78.59 km	Depth of the event in kilometers.
Place	12 km NNE of Carrizales, 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 06:40:12	Time when the event occurred. UTC/GMT
Updated	2025-12-01 07:01:50	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	160	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	35	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	0.2023	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.24 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	207	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	pr71501128	Id of event.
Event Code	71501128	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,pr71501128,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake, 3.22 mag has occurred near Carrizales in Puerto Rico

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