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Light earthquake 4.99 mag, 90 km N of Charlotte Amalie, U.S. Virgin Islands


Earthquake location 19.156S, -64.8158WA light earthquake with magnitude 4.99 (ml/mb) was detected on Saturday, 90 kilometers (56 miles) from Charlotte Amalie in U.S. Virgin Islands. Exact location of earthquake, -64.8158° West, 19.156° North, depth 78 km. The epicenter was at a depth of 78 km (48 miles). Unique identifier: pr2021037002. Ids that are associated to the event: pt21037001, us6000df2d, pr2021037002. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact time and date of event in UTC/GMT: 06/02/21 / 2021-02-06 07:05:02 / February 6, 2021 @ 7:05 am. The temblor was reported at 07:05:02 / 7:05 am (local time epicenter).

Nearest cities/city/towns to hypocenter/epicentrum was Cruz Bay, Charlotte Amalie, Road Town (min 5000 pop). Epicenter of the earthquake was 83 km (51 miles) from Tortola (c. 23 900 pop), 91 km (57 miles) from Charlotte Amalie (c. 20 000 pop), 84 km (52 miles) from Road Town (c. 8 400 pop), 92 km (57 miles) from Cruz Bay (c. 2 700 pop). Country/countries that might be effected, British Virgin Islands (c. 22 000 pop), U.S. Virgin Islands (c. 109 000 pop).

In the past 24 hours, there have been seven, in the last 10 days twenty-three, in the past 30 days seventy-one and in the last 365 days two hundred and thirty-nine earthquakes of magnitude 3.0 or greater that was reported nearby. Every year there are an estimated 13,000 light earthquakes in the world. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

Did you feel anything?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. 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: 90 km N of Charlotte Amalie, U.S. Virgin Islands.

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More information

Parameter Value Description
Magnitude 4.99 mb The magnitude for the event.
Longitude -64.8158° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 19.156° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 78 km Depth of the event in kilometers.
Place 90 km N of Charlotte Amalie, 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 2021-02-06 07:05:02 Time when the event occurred. UTC/GMT
Updated 2021-02-06 08:04:45 Time when the event was most recently updated. UTC/GMT
Timezone offset Timezone offset from UTC in minutes at the event epicenter.
Felt 99 The total number of felt reports
CDI 4.3 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 426 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 ,pt,us,pr, A comma-separated list of network contributors.
Number of Stations Used 29 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 1.2898 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.41 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 209 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 pr2021037002 Id of event.
Event Code 2021037002 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pt21037001,us6000df2d,pr2021037002, A comma-separated list of event ids that are associated to an event.

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