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Light earthquake, 4.7 mag has occurred near Parham in Antigua and Barbuda

Posted by admin on April 17, 2018 0 Comments

Earthquake location 17.0778S, -61.7255WA light earthquake with magnitude 4.7 (ml/mb) was detected on Tuesday, 5 kilometers (3 miles) from Parham in Antigua and Barbuda. Date and time of earthquake in UTC/GMT: 17/04/18 / 2018-04-17 20:26:51 / April 17, 2018 @ 8:26 pm. Event ids that are associated to the earthquake: us2000e1rz. Id of event: us2000e1rz. The temblor was picked up at 16:26:51 / 4:26 pm (local time epicenter). The epicenter was at a depth of 21.63 km (13 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location, longitude -61.7255° West, latitude 17.0778° North, depth = 21.63 km.

Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Petit-Bourg, Cotton Ground, Pointe-à-Pitre. Close country/countries that might be effected, Antigua and Barbuda (c. 87 000 pop), Guadeloupe (c. 443 000 pop). The epicenter was 93 km (58 miles) from Les Abymes (c. 63 100 pop), 91 km (57 miles) from Baie-Mahault (c. 30 600 pop), 100 km (62 miles) from Petit-Bourg (c. 25 000 pop), 14 km (8 miles) from Saint John’s (c. 24 200 pop), 92 km (57 miles) from Le Moule (c. 22 700 pop), 83 km (52 miles) from Sainte-Rose (c. 20 200 pop), 95 km (59 miles) from Pointe-à-Pitre (c. 18 300 pop).

Each year there are an estimated 13,000 light quakes in the world. In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days two and in the last 365 days eleven earthquakes of magnitude 3.0 or greater that has struck near. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

Did you feel anything?

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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 5 km ESE of Parham, Antigua and Barbuda. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.7 mb The magnitude for the event.
Longitude -61.7255° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 17.0778° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 21.63 km Depth of the event in kilometers.
Place 5km ESE of Parham, 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 2018-04-17 20:26:51 Time when the event occurred. UTC/GMT
Updated 2018-04-17 21:00:59 Time when the event was most recently updated. UTC/GMT
Timezone offset -240 Timezone offset from UTC in minutes at the event epicenter.
Felt 58 The total number of felt reports
CDI 4.8 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 368 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 0.641 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.85 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 56 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 us2000e1rz Id of event.
Event Code 2000e1rz An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000e1rz, A comma-separated list of event ids that are associated to an event.

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