Minor earthquake 3.7 mag, 1 km WSW of Mucarabones, Puerto Rico

A minor earthquake with magnitude 3.7 (ml/mb) was reported 1 kilometers (1 miles) from Mucarabones in Puerto Rico on Wednesday. The temblor was picked up at 19:41:52 / 7:41 pm (local time epicenter). Exact location of event, longitude -66.2297 West, latitude 18.3824 North, depth = 67.721 km. The earthquake occurred at a depth of 67.721 km (42 miles). Date and time of earthquake in UTC/GMT: 14/05/25 / 2025-05-14 19:41:52 / May 14, 2025 @ 7:41 pm. Event id: us7000pz8l. Ids that are associated to the earthquake: us7000pz8l.

Closest city/cities/towns to epicentrum/hypocenter was Guánica, Isabela, Sabana Grande (min 5000 pop). Epicenter of the earthquake was 16 km (10 miles) from San Juan (c. 418 100 pop), 8 km (5 miles) from Bayamón (c. 203 500 pop), 29 km (18 miles) from Carolina (c. 170 400 pop), 58 km (36 miles) from Ponce (c. 152 600 pop), 25 km (16 miles) from Caguas (c. 86 800 pop), 13 km (8 miles) from Guaynabo (c. 81 400 pop). Nearby country/countries that might be effected, Puerto Rico (c. 3 917 000 pop).

There are an estimated 130,000 minor quakes in the world each year. In the past 24 hours, there have been three, in the last 10 days eighteen, in the past 30 days fourty-six and in the last 365 days four hundred and thirteen 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.

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How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity 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: 1 km WSW of Mucarabones, Puerto Rico. This data comes from the USGS Earthquake Notification Service.

More information

Parameter	Value	Description
Magnitude	3.7 mb	The magnitude for the event.
Longitude	-66.2297° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	18.3824° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	67.721 km	Depth of the event in kilometers.
Place	1 km WSW of Mucarabones, 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	2025-05-14 19:41:52	Time when the event occurred. UTC/GMT
Updated	2025-05-14 19:57:33	Time when the event was most recently updated. UTC/GMT
Timezone offset		Timezone offset from UTC in minutes at the event epicenter.
Felt	2	The total number of felt reports
CDI	2.2	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	211	A number describing how significant the event is. Larger numbers indicate a more significant event.
Network	us	The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources	,us,	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	0.141	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.42 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	143	The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type	ml	The method or algorithm used to calculate the preferred magnitude for the event.
Event Type	earthquake	Type of seismic event.
Event ID	us7000pz8l	Id of event.
Event Code	7000pz8l	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us7000pz8l,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake 3.7 mag, 1 km WSW of Mucarabones, Puerto Rico

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