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Light earthquake: M4.3 quake has struck near Saint John’s in Antigua and Barbuda


Earthquake location 17.1878S, -62.0908WA light earthquake magnitude 4.3 (ml/mb) has struck on Tuesday, 26 kilometers (16 miles) from Saint John’s in Antigua and Barbuda. Unique identifier: us70008j28. Ids that are associated to the event: us70008j28. Exact location of event, depth 108.34 km, -62.0908° West, 17.1878° North. The earthquake was roughly at a depth of 108.34 km (67 miles). The temblor was reported at 02:42:50 / 2:42 am (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Global date and time of event UTC/GMT: 31/03/20 / 2020-03-31 06:42:50 / March 31, 2020 @ 6:42 am.

Epicenter of the earthquake was 27 km (17 miles) from Saint John’s (c. 24 200 pop), 69 km (43 miles) from Basseterre (c. 12 900 pop), 55 km (34 miles) from Fig Tree (c. 2 900 pop), 51 km (32 miles) from Market Shop (c. 2 600 pop), 81 km (50 miles) from Saint Paul’s (c. 2 500 pop), 78 km (49 miles) from Middle Island (c. 2 300 pop). Closest city/cities/towns to epicentrum/hypocenter was Sandy Point Town, Dieppe Bay Town, Saint Paul’s (min 5000 pop). Country/countries that might be effected, Antigua and Barbuda (c. 87 000 pop), Saint Kitts and Nevis (c. 51 000 pop).

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. Each year there are an estimated 13,000 light earthquakes in the world. 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 four earthquakes of magnitude 3.0 or greater that have been detected in the same area.

Did you feel anything?

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 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: 26 km WNW of Saint John’s, Antigua and Barbuda.

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More information

Parameter Value Description
Magnitude 4.3 mb The magnitude for the event.
Longitude -62.0908° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 17.1878° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 108.34 km Depth of the event in kilometers.
Place 26km WNW of Saint John's, Antigua and Barbuda Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2020-03-31 06:42:50 Time when the event occurred. UTC/GMT
Updated 2020-03-31 07:38:33 Time when the event was most recently updated. UTC/GMT
Timezone offset -240 Timezone offset from UTC in minutes at the event epicenter.
Felt 1 The total number of felt reports
CDI 2.1 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 285 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 ,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 0.559 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.36 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 100 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 us70008j28 Id of event.
Event Code 70008j28 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us70008j28, A comma-separated list of event ids that are associated to an event.

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