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Minor earthquake, 3.1 mag was detected near Cruz Bay in U.S. Virgin Islands


Earthquake location 18.7525S, -64.2764WA minor earthquake with magnitude 3.1 (ml/mb) was detected on Sunday, 71 kilometers (44 miles) from Cruz Bay in U.S. Virgin Islands. The epicenter was at a depth of 35 km (22 miles). The temblor was picked up at 23:56:26 / 11:56 pm (local time epicenter). Event ids that are associated to the earthquake: us6000djyu. Id of event: us6000djyu. Exact location of earthquake, longitude -64.2764 West, latitude 18.7525 North, depth = 35 km. Exact time and date of event in UTC/GMT: 21/02/21 / 2021-02-21 23:56:26 / February 21, 2021 @ 11:56 pm.

Country/countries that might be effected, British Virgin Islands (c. 22 000 pop), U.S. Virgin Islands (c. 109 000 pop). Earthquake epicenter was 49 km (30 miles) from Tortola (c. 23 900 pop), 51 km (32 miles) from Road Town (c. 8 400 pop), 72 km (45 miles) from Cruz Bay (c. 2 700 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Cruz Bay, Road Town, Tortola.

Every year there are an estimated 130,000 minor earthquakes in the world. In the past 24 hours, there have been three, in the last 10 days ten, in the past 30 days eighty-nine and in the last 365 days two hundred and seventy-six earthquakes of magnitude 3.0 or greater that was reported nearby. Earthquakes 2.5 to 3.2 are often felt, but only causes minor damage.

Did you feel the quake?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity 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: 71 km NE of Cruz Bay, U.S. Virgin Islands.

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More information

Parameter Value Description
Magnitude 3.1 mb The magnitude for the event.
Longitude -64.2764° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.7525° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 35 km Depth of the event in kilometers.
Place 71 km NE 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 2021-02-21 23:56:26 Time when the event occurred. UTC/GMT
Updated 2021-02-22 00:30:30 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 148 A number describing how significant the event is. Larger numbers indicate a more significant event.
Network us The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,us, A comma-separated list of network contributors.
Number of Stations Used The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 1.338 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.75 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 217 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type ml The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID us6000djyu Id of event.
Event Code 6000djyu An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000djyu, A comma-separated list of event ids that are associated to an event.

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