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Minor earthquake 3.19 mag, 75 km N of Charlotte Amalie, U.S. Virgin Islands


Earthquake location 19.0143S, -65.0265WA minor earthquake magnitude 3.19 (ml/mb) has struck on Friday, 75 kilometers (47 miles) from Charlotte Amalie in U.S. Virgin Islands. The 3.19-magnitude earthquake was detected at 02:34:26 / 2:34 am (local time epicenter). The epicenter of the earthquake was roughly 33 km (21 miles) below the earth’s surface. Exact location, longitude -65.0265° West, latitude 19.0143° North, depth = 33 km. Exact time and date of earthquake 30/06/17 / 2017-06-30 06:34:26 / June 30, 2017 @ 6:34 am UTC/GMT. Unique identifier: pr2017181008. Ids that are associated to the event: pr2017181008.

Epicenter of the event was 78 km (48 miles) from Tortola (c. 23 900 pop), 75 km (47 miles) from Charlotte Amalie (c. 20 000 pop), 78 km (48 miles) from Road Town (c. 8 400 pop), 80 km (50 miles) from Cruz Bay (c. 2 700 pop). Closest city/cities/towns to epicentrum/hypocenter was Cruz Bay, Road Town, Tortola (min 5000 pop). Close country/countries that might be effected, British Virgin Islands (c. 22 000 pop), U.S. Virgin Islands (c. 109 000 pop).

There are an estimated 130,000 minor quakes in the world each year. In the past 24 hours, there have been five, in the last 10 days fourteen, in the past 30 days thirty-six and in the last 365 days four hundred and sixty-six earthquakes of magnitude 3.0 or greater that has struck near. Earthquakes 2.5 to 3.2 are often felt, but only causes minor damage.

Questions or comments?

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: 75 km N of Charlotte Amalie, U.S. Virgin Islands.

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More information

Parameter Value Description
Magnitude 3.19 mb The magnitude for the event.
Longitude -65.0265° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 19.0143° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 33 km Depth of the event in kilometers.
Place 75km 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 2017-06-30 06:34:26 Time when the event occurred. UTC/GMT
Updated 2017-07-02 00:33:32 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 157 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 6 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.7518 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.29 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 282 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 pr2017181008 Id of event.
Event Code 2017181008 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2017181008, A comma-separated list of event ids that are associated to an event.

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