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Minor earthquake, 2.99 mag has occurred near Road Town in British Virgin Islands

Posted by admin on August 3, 2017 0 Comments

Earthquake location 18.7771S, -64.481WA minor earthquake magnitude 2.99 (ml/mb) has occurred on Thursday, 42 kilometers (26 miles) from Road Town in British Virgin Islands. Date and time of earthquake in UTC/GMT: 03/08/17 / 2017-08-03 16:38:21 / August 3, 2017 @ 4:38 pm. Unique identifier: pr2017215000. Ids that are associated to the event: pr2017215000. Exact location of earthquake, longitude -64.481 West, latitude 18.7771 North, depth = 36 km. The 2.99-magnitude earthquake was detected at 12:38:21 / 12:38 pm (local time epicenter). The earthquake was roughly at a depth of 36 km (22 miles).

Nearby country/countries that might be effected, British Virgin Islands (c. 22 000 pop), U.S. Virgin Islands (c. 109 000 pop). Nearest cities/city/villages to epicentrum/hypocenter was Charlotte Amalie, Cruz Bay, Road Town (min 5000 pop). Earthquake epicenter was 40 km (25 miles) from Tortola (c. 23 900 pop), 68 km (42 miles) from Charlotte Amalie (c. 20 000 pop), 42 km (26 miles) from Road Town (c. 8 400 pop), 60 km (37 miles) from Cruz Bay (c. 2 700 pop).

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

Questions or comments?

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

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More information

Parameter Value Description
Magnitude 2.99 mb The magnitude for the event.
Longitude -64.481° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.7771° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 36 km Depth of the event in kilometers.
Place 42km 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 2017-08-03 16:38:21 Time when the event occurred. UTC/GMT
Updated 2017-08-03 20:53:16 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 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 4 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 1.269 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.24 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 322 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 pr2017215000 Id of event.
Event Code 2017215000 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2017215000, A comma-separated list of event ids that are associated to an event.

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