Minor earthquake, 3.28 mag strikes near Esperanza in Puerto Rico

A minor earthquake magnitude 3.28 (ml/mb) has occurred on Sunday, 16 kilometers (10 miles) from Esperanza in Puerto Rico. The temblor was detected at 03:10:50 / 3:10 am (local time epicenter). Global date and time of event UTC/GMT: 14/09/25 / 2025-09-14 03:10:50 / September 14, 2025 @ 3:10 am. Unique identifier: pr71495618. Ids that are associated to the event: us7000qw2r, pr71495618. The earthquake occurred at a depth of 13.25 km (8 miles). Exact location of earthquake, longitude -65.607 West, latitude 18.025166666667 North, depth = 13.25 km.

Nearby country/countries that might be effected, Puerto Rico (c. 3 917 000 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Ingenio, Campanilla, Coamo. The epicenter was 72 km (45 miles) from San Juan (c. 418 100 pop), 71 km (44 miles) from Bayamón (c. 203 500 pop), 54 km (34 miles) from Carolina (c. 170 400 pop), 52 km (32 miles) from Caguas (c. 86 800 pop), 65 km (40 miles) from Guaynabo (c. 81 400 pop).

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

Questions or comments?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking and damage at your home, city and country. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 16 km WSW of Esperanza, Puerto Rico. This data comes from the USGS Earthquake Notification Service.

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Parameter	Value	Description
Magnitude	3.28 mb	The magnitude for the event.
Longitude	-65.607° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	18.025166666667° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	13.25 km	Depth of the event in kilometers.
Place	16 km WSW of Esperanza, 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	2025-09-14 03:10:50	Time when the event occurred. UTC/GMT
Updated	2025-09-14 03:45:55	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	166	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	22	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	0.08836	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	196	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	pr71495618	Id of event.
Event Code	71495618	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us7000qw2r,pr71495618,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake, 3.28 mag strikes near Esperanza in Puerto Rico

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