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Minor earthquake 2.9 mag, 33 km N of Charlotte Amalie, U.S. Virgin Islands


Earthquake location 18.6387S, -64.9905WA minor earthquake with magnitude 2.9 (ml/mb) was reported 33 kilometers (21 miles) from Charlotte Amalie in U.S. Virgin Islands on Thursday. Exact location of earthquake, longitude -64.9905 West, latitude 18.6387 North, depth = 17 km. All ids that are associated to the event: pr15365001. Unique identifier: pr15365001. The earthquake occurred at a depth of 17 km (11 miles) below the earth’s surface. Global date and time of event UTC/GMT: 31/12/15 / 2015-12-31 05:13:05 / December 31, 2015 @ 5:13 am. The temblor was detected at 01:13:05 / 1:13 am (local time epicenter).

Epicenter of the earthquake was 46 km (29 miles) from Tortola (c. 23 900 pop), 34 km (21 miles) from Charlotte Amalie (c. 20 000 pop), 72 km (45 miles) from Isabel Segunda (c. 9 300 pop), 46 km (28 miles) from Road Town (c. 8 400 pop), 40 km (25 miles) from Cruz Bay (c. 2 700 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Isabel Segunda, Culebra, Tortola. 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).

In the past 24 hours, there have been one, in the last 10 days eight, in the past 30 days thirty-six and in the last 365 days four hundred and ninety-eight earthquakes of magnitude 3.0 or greater that has occurred nearby. Earthquakes 2.5 to 3.2 are often felt, but only causes minor damage. Each year there are an estimated 130,000 minor quakes in the world.

How would you describe the shaking?

Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home 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: 33 km N of Charlotte Amalie, U.S. Virgin Islands.

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More information

Parameter Value Description
Magnitude 2.9 mb The magnitude for the event.
Longitude -64.9905° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.6387° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 17 km Depth of the event in kilometers.
Place 33km 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 2015-12-31 05:13:05 Time when the event occurred. UTC/GMT
Updated 2015-12-31 07:32:14 Time when the event was most recently updated. UTC/GMT
Timezone offset -240 Timezone offset from UTC in minutes at the event epicenter.
Felt 0 The total number of felt reports
CDI 1 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 129 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 8 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.28746089 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.27 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 226.8 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 pr15365001 Id of event.
Event Code 15365001 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr15365001, A comma-separated list of event ids that are associated to an event.

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