Minor earthquake, 3.69 mag was detected near Vieques in Puerto Rico

A minor earthquake with magnitude 3.69 (ml/mb) was reported 137 km NNE of Vieques, Puerto Rico (85 miles) on Friday. The earthquake was roughly at a depth of 35 km (22 miles). The 3.69-magnitude earthquake was detected at 08:21:24 / 8:21 am (local time epicenter). Exact time and date of event in UTC/GMT: 21/03/25 / 2025-03-21 08:21:24 / March 21, 2025 @ 8:21 am. Exact location of event, longitude -65.3165 West, latitude 19.566 North, depth = 35 km. Id of earthquake: pr2025080002. Event ids that are associated: pr2025080002.

There are an estimated 130,000 minor quakes in the world each year. Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage. In the past 24 hours, there have been four, in the last 10 days twenty-seven, in the past 30 days fifty-four and in the last 365 days three hundred and fourty earthquakes of magnitude 3.0 or greater that have been detected 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 information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 137 km NNE of Vieques, Puerto Rico.

Puerto Rico Vieques

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Parameter	Value	Description
Magnitude	3.69 mb	The magnitude for the event.
Longitude	-65.3165° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	19.566° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	35 km	Depth of the event in kilometers.
Place	137 km NNE of Vieques, 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	2025-03-21 08:21:24	Time when the event occurred. UTC/GMT
Updated	2025-03-21 08:41:49	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	209	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	1.2589	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.33 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	293	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	pr2025080002	Id of event.
Event Code	2025080002	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,pr2025080002,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake, 3.69 mag was detected near Vieques in Puerto Rico

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