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Minor earthquake, 3.17 mag strikes near Charlotte Amalie in U.S. Virgin Islands


Earthquake location 18.3051S, -64.9921WA minor earthquake with magnitude 3.17 (ml/mb) was detected on Saturday, 7 kilometers (4 miles) from Charlotte Amalie in U.S. Virgin Islands. Exact location, longitude -64.9921° West, latitude 18.3051° North, depth = 130 km. Id of earthquake: pr2018118006. Event ids that are associated: pr2018118006. The epicenter was at a depth of 130 km (81 miles). The 3.17-magnitude earthquake has occurred at 19:00:15 / 7:00 pm (local time epicenter). Exact time and date of event in UTC/GMT: 28/04/18 / 2018-04-28 23:00:15 / April 28, 2018 @ 11:00 pm.

Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Naguabo, Luquillo, Fajardo. Epicenter of the earthquake was 69 km (43 miles) from Saint Croix (c. 50 600 pop), 70 km (43 miles) from Fajardo (c. 34 100 pop), 44 km (27 miles) from Tortola (c. 23 900 pop), 8 km (5 miles) from Charlotte Amalie (c. 20 000 pop), 51 km (31 miles) from Isabel Segunda (c. 9 300 pop). 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).

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. In the past 24 hours, there have been one, in the last 10 days five, in the past 30 days thirty-four and in the last 365 days two hundred and eighty-two earthquakes of magnitude 3.0 or greater that has struck near.

Did you feel anything?

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: 7 km WSW of Charlotte Amalie, U.S. Virgin Islands.

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More information

Parameter Value Description
Magnitude 3.17 mb The magnitude for the event.
Longitude -64.9921° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.3051° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 130 km Depth of the event in kilometers.
Place 7km WSW 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 2018-04-28 23:00:15 Time when the event occurred. UTC/GMT
Updated 2018-04-29 04:25:11 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 155 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 10 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.8721 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.32 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 336 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 pr2018118006 Id of event.
Event Code 2018118006 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2018118006, A comma-separated list of event ids that are associated to an event.

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