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Minor earthquake: M3.31 quake has struck near Cruz Bay in U.S. Virgin Islands


Earthquake location 18.709666666667S, -64.55WA minor earthquake magnitude 3.31 (ml/mb) has occurred on Saturday, 49 kilometers (30 miles) from Cruz Bay in U.S. Virgin Islands. The epicenter was at a depth of 48.79 km (30 miles). The 3.31-magnitude earthquake was detected at 18:37:11 / 6:37 pm (local time epicenter). Exact location of earthquake, longitude -64.55 West, latitude 18.709666666667 North, depth = 48.79 km. Id of earthquake: pr71484063. Event ids that are associated: pr71484063. Exact time and date of earthquake 31/05/25 / 2025-05-31 18:37:11 / May 31, 2025 @ 6:37 pm UTC/GMT.

Event epicenter was 31 km (19 miles) from Tortola (c. 23 900 pop), 57 km (36 miles) from Charlotte Amalie (c. 20 000 pop), 32 km (20 miles) from Road Town (c. 8 400 pop), 49 km (31 miles) from Cruz Bay (c. 2 700 pop). Nearest cities/city/villages to epicentrum/hypocenter was Charlotte Amalie, Cruz Bay, Road Town (min 5000 pop). Country/countries that might be effected, British Virgin Islands (c. 22 000 pop), U.S. Virgin Islands (c. 109 000 pop).

Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage. In the past 24 hours, there have been two, in the last 10 days ten, in the past 30 days thirty-nine and in the last 365 days two hundred and ninety-two earthquakes of magnitude 3.0 or greater that have been detected in the same area. There are an estimated 130,000 minor earthquakes in the world each year.

Questions or comments?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking and damage at your home, city and country. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 49 km NNE of Cruz Bay, U.S. Virgin Islands.

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More information

Parameter Value Description
Magnitude 3.31 mb The magnitude for the event.
Longitude -64.55° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.709666666667° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 48.79 km Depth of the event in kilometers.
Place 49 km NNE of Cruz Bay, 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 2025-05-31 18:37:11 Time when the event occurred. UTC/GMT
Updated 2025-05-31 18:57:45 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 169 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 4 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.2956 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.08 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 308 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 pr71484063 Id of event.
Event Code 71484063 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr71484063, A comma-separated list of event ids that are associated to an event.

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