Minor earthquake 3.35 mag, 38 km SSW of Saint Croix, U.S. Virgin Islands

A minor earthquake with magnitude 3.35 (ml/mb) was detected on Thursday, 38 kilometers (24 miles) from Saint Croix in U.S. Virgin Islands. The earthquake occurred at a depth of 46.8 km (29 miles). Exact time and date of event in UTC/GMT: 04/12/25 / 2025-12-04 21:36:03 / December 4, 2025 @ 9:36 pm. Id of earthquake: pr71501483. Event ids that are associated: pr71501483. The 3.35-magnitude earthquake has occurred at 21:36:03 / 9:36 pm (local time epicenter). Exact location of event, longitude -64.8265 West, latitude 17.389333333333 North, depth = 46.8 km.

Nearby country/countries that might be effected, U.S. Virgin Islands (c. 109 000 pop). Nearest cities/city/towns to hypocenter/epicentrum was Saint Croix (min 5000 pop). Event epicenter was 39 km (24 miles) from Saint Croix (c. 50 600 pop).

Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage. Each year there are an estimated 130,000 minor earthquakes in the world. In the past 24 hours, there have been two, in the last 10 days two, in the past 30 days three and in the last 365 days twenty-six earthquakes of magnitude 3.0 or greater that has occurred nearby.

Questions or comments?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity 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: 38 km SSW of Saint Croix, U.S. Virgin Islands. This data comes from the USGS Earthquake Notification Service.

Saint Croix U.S. Virgin Islands

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Parameter	Value	Description
Magnitude	3.35 mb	The magnitude for the event.
Longitude	-64.8265° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	17.389333333333° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	46.8 km	Depth of the event in kilometers.
Place	38 km SSW of Saint Croix, U.S. Virgin Islands	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2025-12-04 21:36:03	Time when the event occurred. UTC/GMT
Updated	2025-12-04 22:09:41	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	173	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	3	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	0.9873	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.02 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	279	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	pr71501483	Id of event.
Event Code	71501483	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,pr71501483,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake 3.35 mag, 38 km SSW of Saint Croix, U.S. Virgin Islands

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