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Minor earthquake 3 mag, 70 km NNW of Charlotte Amalie, U.S. Virgin Islands


Earthquake location 18.9494S, -65.1275WA minor earthquake magnitude 3 (ml/mb) strikes 70 kilometers (43 miles) from Charlotte Amalie in U.S. Virgin Islands on Friday. Date and time of earthquake in UTC/GMT: 18/12/15 / 2015-12-18 20:08:46 / December 18, 2015 @ 8:08 pm. Id of earthquake: pr15352011. Event ids that are associated: pr15352011. The epicenter of the earthquake was roughly 39 km (24 miles) below the earth’s surface. Exact location of earthquake, -65.1275° West, 18.9494° North, depth 39 km. The temblor was reported at 16:08:46 / 4:08 pm (local time epicenter).

Nearest cities/city/villages to epicentrum/hypocenter was Cruz Bay, Culebra, Charlotte Amalie (min 5000 pop). Close country/countries, Puerto Rico (c. 3 917 000 pop), U.S. Virgin Islands (c. 109 000 pop) (That might be effected). Epicenter of the earthquake was 71 km (44 miles) from Charlotte Amalie (c. 20 000 pop), 77 km (48 miles) from Cruz Bay (c. 2 700 pop), 74 km (46 miles) from Culebra (c. 1 500 pop).

Each year there are an estimated 130,000 minor earthquakes in the world. In the past 24 hours, there have been six, in the last 10 days twenty-two, in the past 30 days sixty-four and in the last 365 days six hundred and eleven earthquakes of magnitude 3.0 or greater that have been detected in the same area. Earthquakes 2.5 to 3.2 are often felt, but only causes minor damage.

Did you feel it?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking and damage at your home, city and country. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 70 km NNW of Charlotte Amalie, U.S. Virgin Islands.

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More information

Parameter Value Description
Magnitude 3 mb The magnitude for the event.
Longitude -65.1275° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.9494° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 39 km Depth of the event in kilometers.
Place 70km 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 2015-12-18 20:08:46 Time when the event occurred. UTC/GMT
Updated 2015-12-18 20:56:26 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 138 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 14 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.61624428 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.28 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 237.6 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 pr15352011 Id of event.
Event Code 15352011 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr15352011, A comma-separated list of event ids that are associated to an event.

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