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Light earthquake, 4 mag has occurred near Stoney Ground in Anguilla

Posted by admin on December 11, 2018 0 Comments

Earthquake location 18.399S, -62.368WA light earthquake magnitude 4 (ml/mb) has occurred on Tuesday, 73 kilometers (45 miles) from Stoney Ground in Anguilla. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). All ids that are associated to the event: pt18345001. Unique identifier: pt18345001. Exact location of event, depth 10 km, -62.368° West, 18.399° North. The epicenter of the earthquake was roughly 10 km (6 miles) below the earth’s surface. The temblor was picked up at 17:46:11 / 5:46 pm (local time epicenter). Date and time of earthquake in UTC/GMT: 11/12/18 / 2018-12-11 21:46:11 / December 11, 2018 @ 9:46 pm.

Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Marigot, Cul de Sac, Philipsburg. Close country/countries that might be effected, Anguilla (c. 13 000 pop), Saint Barthelemy (c. 8 000 pop), Saint Martin (c. 36 000 pop), Sint Maarten (c. 37 000 pop). Epicenter of the earthquake was 84 km (52 miles) from Cul de Sac (c. 8 500 pop), 76 km (47 miles) from Gustavia (c. 6 000 pop), 84 km (52 miles) from Marigot (c. 5 700 pop), 76 km (47 miles) from The Valley (c. 2 000 pop), 83 km (51 miles) from Philipsburg (c. 1 400 pop).

In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days one and in the last 365 days eight earthquakes of magnitude 3.0 or greater that was reported nearby. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. Every year there are an estimated 13,000 light earthquakes in the world.

Did you feel it?

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: 73 km ENE of Stoney Ground, Anguilla.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude -62.368° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.399° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 73km ENE of Stoney Ground, Anguilla Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2018-12-11 21:46:11 Time when the event occurred. UTC/GMT
Updated 2018-12-11 21:50:33 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 246 A number describing how significant the event is. Larger numbers indicate a more significant event.
Network pt The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,pt, A comma-separated list of network contributors.
Number of Stations Used 12 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type Ml The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID pt18345001 Id of event.
Event Code 18345001 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pt18345001, A comma-separated list of event ids that are associated to an event.

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