Minor earthquake: M3.65 quake has struck near Isabela in Puerto Rico

A minor earthquake with magnitude 3.65 (ml/mb) was reported 127 km N of Isabela, Puerto Rico (79 miles) on Monday. Id of earthquake: pr2025328001. Event ids that are associated: pr2025328001. Exact location, longitude -66.8626° West, latitude 19.642° North, depth = 55 km. Exact time and date of event in UTC/GMT: 24/11/25 / 2025-11-24 13:30:30 / November 24, 2025 @ 1:30 pm. The epicenter of the earthquake was roughly 55 km (34 miles) below the earth’s surface. The 3.65-magnitude earthquake was detected at 13:30:30 / 1:30 pm (local time epicenter).

Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage. Each 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 five, in the past 30 days eighteen and in the last 365 days two hundred and ninety-five earthquakes of magnitude 3.0 or greater that has struck near.

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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. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 127 km N of Isabela, Puerto Rico.

Isabela Puerto Rico

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Parameter	Value	Description
Magnitude	3.65 mb	The magnitude for the event.
Longitude	-66.8626° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	19.642° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	55 km	Depth of the event in kilometers.
Place	127 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	2025-11-24 13:30:30	Time when the event occurred. UTC/GMT
Updated	2025-11-24 13:55:23	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	205	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	14	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	1.2005	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.45 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	242	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	pr2025328001	Id of event.
Event Code	2025328001	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,pr2025328001,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake: M3.65 quake has struck near Isabela in Puerto Rico

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