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Minor earthquake, 3.11 mag strikes near Road Town in British Virgin Islands


Earthquake location 18.6895S, -64.4708WA minor earthquake magnitude 3.11 (ml/mb) strikes 33 kilometers (21 miles) from Road Town in British Virgin Islands on Monday. Exact time and date of earthquake 30/07/18 / 2018-07-30 21:32:01 / July 30, 2018 @ 9:32 pm UTC/GMT. The temblor was picked up at 17:32:01 / 5:32 pm (local time epicenter). Exact location of earthquake, -64.4708° West, 18.6895° North, depth 55 km. The earthquake was roughly at a depth of 55 km (34 miles). Id of earthquake: pr2018211014. Event ids that are associated: pr2018211014.

The epicenter was 31 km (19 miles) from Tortola (c. 23 900 pop), 62 km (39 miles) from Charlotte Amalie (c. 20 000 pop), 33 km (21 miles) from Road Town (c. 8 400 pop), 52 km (33 miles) from Cruz Bay (c. 2 700 pop). Nearby country/countries that might be effected, British Virgin Islands (c. 22 000 pop), U.S. Virgin Islands (c. 109 000 pop). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Charlotte Amalie, Cruz Bay, Road Town.

In the past 24 hours, there have been ten, in the last 10 days twelve, in the past 30 days fourty-one and in the last 365 days three hundred and twenty-four 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. Each year there are an estimated 130,000 minor quakes in the world.

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. 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: 33 km NNE of Road Town, British Virgin Islands.

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More information

Parameter Value Description
Magnitude 3.11 mb The magnitude for the event.
Longitude -64.4708° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.6895° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 55 km Depth of the event in kilometers.
Place 33km NNE of Road Town, British 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 2018-07-30 21:32:01 Time when the event occurred. UTC/GMT
Updated 2018-07-31 00:23:06 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 149 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 4 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 1.4827 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.26 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 344 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 pr2018211014 Id of event.
Event Code 2018211014 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2018211014, A comma-separated list of event ids that are associated to an event.

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