Minor earthquake, 3.48 mag has occurred near San Juan in Puerto Rico

A minor earthquake magnitude 3.48 (ml/mb) has occurred on Tuesday, 131 km N of San Juan, Puerto Rico (81 miles). The epicenter of the earthquake was roughly 37 km (23 miles) below the earth’s surface. The temblor was picked up at 01:48:40 / 1:48 am (local time epicenter). Event ids that are associated to the earthquake: pr2025196000. Id of event: pr2025196000. Exact time and date of earthquake 15/07/25 / 2025-07-15 01:48:40 / July 15, 2025 @ 1:48 am UTC/GMT. Exact location of earthquake, longitude -66.1565 West, latitude 19.652 North, depth = 37 km.

Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage. There are an estimated 130,000 minor earthquakes 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 twenty-three and in the last 365 days two hundred and seventy-four earthquakes of magnitude 3.0 or greater that has occurred nearby.

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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. This data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 131 km N of San Juan, Puerto Rico.

Puerto Rico San Juan

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Parameter	Value	Description
Magnitude	3.48 mb	The magnitude for the event.
Longitude	-66.1565° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	19.652° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	37 km	Depth of the event in kilometers.
Place	131 km N of San Juan, 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	2025-07-15 01:48:40	Time when the event occurred. UTC/GMT
Updated	2025-07-15 02:24:42	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	186	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	9	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	1.2326	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	309	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	pr2025196000	Id of event.
Event Code	2025196000	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,pr2025196000,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake, 3.48 mag has occurred near San Juan in Puerto Rico

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