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Minor earthquake: M3.1 quake has struck near Road Town in British Virgin Islands

Posted by admin on April 1, 2017 0 Comments

Earthquake location 18.6819S, -64.474WA minor earthquake with magnitude 3.1 (ml/mb) was detected on Friday, 32 kilometers (20 miles) from Road Town in British Virgin Islands. Exact time and date of event in UTC/GMT: 31/03/17 / 2017-03-31 23:46:03 / March 31, 2017 @ 11:46 pm. The 3.1-magnitude earthquake has occurred at 19:46:03 / 7:46 pm (local time epicenter). The earthquake occurred at a depth of 35 km (22 miles) below the earth’s surface. All ids that are associated to the event: pr17090013. Unique identifier: pr17090013. Exact location of earthquake, -64.474° West, 18.6819° North, depth 35 km.

The epicenter was 30 km (19 miles) from Tortola (c. 23 900 pop), 61 km (38 miles) from Charlotte Amalie (c. 20 000 pop), 32 km (20 miles) from Road Town (c. 8 400 pop), 52 km (32 miles) from Cruz Bay (c. 2 700 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Charlotte Amalie, Cruz Bay, Road Town. Nearby country/countries, British Virgin Islands (c. 22 000 pop), U.S. Virgin Islands (c. 109 000 pop) (That might be effected).

There are an estimated 130,000 minor earthquakes in the world each year. Earthquakes 2.5 to 3.2 are often felt, but only causes minor damage. In the past 24 hours, there have been nine, in the last 10 days thirty-two, in the past 30 days fifty-four and in the last 365 days three hundred and seventy-six earthquakes of magnitude 3.0 or greater that has occurred nearby.

How would you describe the shaking?

Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home 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: 32 km NNE of Road Town, British Virgin Islands.

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More information

Parameter Value Description
Magnitude 3.1 mb The magnitude for the event.
Longitude -64.474° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.6819° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 35 km Depth of the event in kilometers.
Place 32km 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 2017-03-31 23:46:03 Time when the event occurred. UTC/GMT
Updated 2017-04-01 04:19:59 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 148 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 5 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.8525012 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.25 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 345.6 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 pr17090013 Id of event.
Event Code 17090013 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr17090013, A comma-separated list of event ids that are associated to an event.

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