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Light earthquake, 4.4 mag has occurred near Charlotte Amalie in U.S. Virgin Islands

Posted by admin on December 7, 2019 0 Comments

Earthquake location 18.7S, -65.117WA light earthquake with magnitude 4.4 (ml/mb) was detected on Saturday, 44 kilometers (27 miles) from Charlotte Amalie in U.S. Virgin Islands. Exact location, longitude -65.117° West, latitude 18.7° North, depth = 10 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The 4.4-magnitude earthquake has occurred at 18:23:22 / 6:23 pm (local time epicenter). Date and time of earthquake in UTC/GMT: 07/12/19 / 2019-12-07 22:23:22 / December 7, 2019 @ 10:23 pm. All ids that are associated to the event: pt19341050. Unique identifier: pt19341050. The earthquake occurred at a depth of 10 km (6 miles) below the earth’s surface.

Close country/countries that might be effected, Puerto Rico (c. 3 917 000 pop), British Virgin Islands (c. 22 000 pop), U.S. Virgin Islands (c. 109 000 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Santa Barbara, Canovanas, Punta Santiago. Event epicenter was 70 km (44 miles) from Fajardo (c. 34 100 pop), 61 km (38 miles) from Tortola (c. 23 900 pop), 44 km (28 miles) from Charlotte Amalie (c. 20 000 pop), 83 km (52 miles) from Río Grande (c. 13 500 pop), 70 km (44 miles) from Isabel Segunda (c. 9 300 pop), 60 km (38 miles) from Road Town (c. 8 400 pop).

In the past 24 hours, there have been one, in the last 10 days nine, in the past 30 days fourty-six and in the last 365 days four hundred and thirty-three earthquakes of magnitude 3.0 or greater that have been detected in the same area. Each 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 the quake?

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: 44 km NNW of Charlotte Amalie, U.S. Virgin Islands.

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More information

Parameter Value Description
Magnitude 4.4 mb The magnitude for the event.
Longitude -65.117° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.7° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 44km NNW 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 2019-12-07 22:23:22 Time when the event occurred. UTC/GMT
Updated 2019-12-07 22:29:27 Time when the event was most recently updated. UTC/GMT
Timezone offset -240 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 298 A number describing how significant the event is. Larger numbers indicate a more significant event.
Network pt The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,pt, A comma-separated list of network contributors.
Number of Stations Used 9 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 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 pt19341050 Id of event.
Event Code 19341050 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pt19341050, A comma-separated list of event ids that are associated to an event.

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