Minor earthquake 3.18 mag, 96 km N of Brenas, Puerto Rico

A minor earthquake magnitude 3.18 (ml/mb) has occurred on Saturday, 96 km N of Brenas, Puerto Rico (60 miles). Exact time and date of earthquake 12/07/25 / 2025-07-12 16:34:22 / July 12, 2025 @ 4:34 pm UTC/GMT. The 3.18-magnitude earthquake has occurred at 16:34:22 / 4:34 pm (local time epicenter). Id of earthquake: pr71489023. Event ids that are associated: pr71489023. Exact location of event, longitude -66.3055 West, latitude 19.335833333333 North, depth = 21.05 km. The earthquake occurred at a depth of 21.05 km (13 miles).

Earthquakes 2.5 to 3.2 are often felt, but only causes minor damage. Every year there are an estimated 130,000 minor earthquakes in the world. In the past 24 hours, there have been one, in the last 10 days three, in the past 30 days thirty and in the last 365 days three hundred and fifty-seven earthquakes of magnitude 3.0 or greater that have been detected in the same area.

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What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity 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: 96 km N of Brenas, Puerto Rico.

Brenas Puerto Rico

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Parameter	Value	Description
Magnitude	3.18 mb	The magnitude for the event.
Longitude	-66.3055° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	19.335833333333° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	21.05 km	Depth of the event in kilometers.
Place	96 km N of Brenas, 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	2025-07-12 16:34:22	Time when the event occurred. UTC/GMT
Updated	2025-07-12 17:04:51	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	156	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	20	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	0.8801	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.3 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	249	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	pr71489023	Id of event.
Event Code	71489023	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,pr71489023,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake 3.18 mag, 96 km N of Brenas, Puerto Rico

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