Minor earthquake: M3.36 quake has struck near Pueblito del Rio in Puerto Rico

A minor earthquake magnitude 3.36 (ml/mb) has struck on Thursday, 2 kilometers (1 miles) from Pueblito del Rio in Puerto Rico. The temblor was reported at 21:00:08 / 9:00 pm (local time epicenter). Exact location of earthquake, longitude -65.860666666667 West, latitude 18.251166666667 North, depth = 131.34 km. Global date and time of event UTC/GMT: 03/04/25 / 2025-04-03 21:00:08 / April 3, 2025 @ 9:00 pm. The earthquake was roughly at a depth of 131.34 km (82 miles). Event id: pr71478243. Ids that are associated to the earthquake: pr71478243.

Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Jayuya, Estancias de Florida, Florida. Event epicenter was 35 km (22 miles) from San Juan (c. 418 100 pop), 35 km (22 miles) from Bayamón (c. 203 500 pop), 18 km (11 miles) from Carolina (c. 170 400 pop), 20 km (12 miles) from Caguas (c. 86 800 pop), 29 km (18 miles) from Guaynabo (c. 81 400 pop). 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 one, in the last 10 days five, in the past 30 days thirty-seven and in the last 365 days two hundred and seventy-one earthquakes of magnitude 3.0 or greater that has struck near. Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage.

Questions or comments?

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: 2 km N of Pueblito del Rio, Puerto Rico. This information comes from the USGS Earthquake Notification Service.

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Parameter	Value	Description
Magnitude	3.36 mb	The magnitude for the event.
Longitude	-65.860666666667° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	18.251166666667° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	131.34 km	Depth of the event in kilometers.
Place	2 km N of Pueblito del Rio, 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	2025-04-03 21:00:08	Time when the event occurred. UTC/GMT
Updated	2025-04-03 21:25:38	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	174	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	0.1091	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.23 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	151	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	pr71478243	Id of event.
Event Code	71478243	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,pr71478243,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake: M3.36 quake has struck near Pueblito del Rio in Puerto Rico

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