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Earthquake breaking news, Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.9 mag, 36 km N of Road Town, British Virgin Islands

Posted by admin on April 6, 2018 0 Comments

Earthquake location 18.7471S, -64.6579WA light earthquake with magnitude 4.9 (ml/mb) was detected on Friday, 36 kilometers (22 miles) from Road Town in British Virgin Islands. The earthquake occurred at a depth of 35 km (22 miles). Event ids that are associated to the earthquake: pt18096001, us2000dvsj. Id of event: us2000dvsj. The 4.9-magnitude earthquake has occurred at 17:21:13 / 5:21 pm (local time epicenter). Exact location of event, longitude -64.6579 West, latitude 18.7471 North, depth = 35 km. Exact time and date of event in UTC/GMT: 06/04/18 / 2018-04-06 21:21:13 / April 6, 2018 @ 9:21 pm. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

Close country/countries that might be effected, Puerto Rico (c. 3 917 000 pop), British Virgin Islands (c. 22 000 pop), U.S. Virgin Islands (c. 109 000 pop). Epicenter of the earthquake was 35 km (22 miles) from Tortola (c. 23 900 pop), 53 km (33 miles) from Charlotte Amalie (c. 20 000 pop), 36 km (22 miles) from Road Town (c. 8 400 pop), 48 km (30 miles) from Cruz Bay (c. 2 700 pop), 84 km (52 miles) from Culebra (c. 1 500 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Culebra, Charlotte Amalie, Cruz Bay.

In the past 24 hours, there have been two, in the last 10 days eight, in the past 30 days fourty and in the last 365 days three hundred and sixty-eight earthquakes of magnitude 3.0 or greater that has occurred nearby. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. Each year there are an estimated 13,000 light quakes in the world.

Questions or comments?

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 data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 36 km N of Road Town, British Virgin Islands.

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More information

Parameter Value Description
Magnitude 4.9 mb The magnitude for the event.
Longitude -64.6579° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.7471° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 35 km Depth of the event in kilometers.
Place 36km N 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 2018-04-06 21:21:13 Time when the event occurred. UTC/GMT
Updated 2018-04-06 21:39:23 Time when the event was most recently updated. UTC/GMT
Timezone offset -240 Timezone offset from UTC in minutes at the event epicenter.
Felt 77 The total number of felt reports
CDI 3.6 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 397 A number describing how significant the event is. Larger numbers indicate a more significant event.
Network us The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,pt,us, A comma-separated list of network contributors.
Number of Stations Used The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 1.28 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.71 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 41 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type mb The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID us2000dvsj Id of event.
Event Code 2000dvsj An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pt18096001,us2000dvsj, A comma-separated list of event ids that are associated to an event.

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