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Light earthquake, 4 mag strikes near Parham in Antigua and Barbuda


Earthquake location 17.0301S, -61.1929WA light earthquake with magnitude 4 (ml/mb) was detected on Saturday, 61 kilometers (38 miles) from Parham in Antigua and Barbuda. A tsunami warning has been issued near Parham in Antigua and Barbuda (Does not indicate if a tsunami actually did or will exist). Id of earthquake: us10008vpl. Event ids that are associated: pt17147000, us10008vpl. Date and time of earthquake in UTC/GMT: 27/05/17 / 2017-05-27 08:46:38 / May 27, 2017 @ 8:46 am. Exact location of event, depth 7.64 km, -61.1929° West, 17.0301° North. The earthquake occurred at a depth of 7.64 km (5 miles) below the earth’s surface. The temblor was picked up at 04:46:38 / 4:46 am (local time epicenter).

Closest city/cities/towns to epicentrum/hypocenter was Saint-François, Le Moule, Petit-Canal (min 5000 pop). Close country/countries that might be effected, Antigua and Barbuda (c. 87 000 pop), Guadeloupe (c. 443 000 pop). Event epicenter was 70 km (44 miles) from Saint John’s (c. 24 200 pop), 79 km (49 miles) from Le Moule (c. 22 700 pop), 87 km (54 miles) from Saint-François (c. 12 700 pop), 79 km (49 miles) from Petit-Canal (c. 8 600 pop), 77 km (48 miles) from Port-Louis (c. 5 500 pop), 71 km (44 miles) from Anse-Bertrand (c. 5 100 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 thirteen earthquakes of magnitude 3.0 or greater that have been detected in the same area. Each year there are an estimated 13,000 light earthquakes in the world. 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: 61 km E 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 mb The magnitude for the event.
Longitude -61.1929° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 17.0301° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 7.64 km Depth of the event in kilometers.
Place 61km E 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 2017-05-27 08:46:38 Time when the event occurred. UTC/GMT
Updated 2017-05-27 08:58:20 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 1 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 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 0.62 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.59 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 214 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 us10008vpl Id of event.
Event Code 10008vpl An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pt17147000,us10008vpl, A comma-separated list of event ids that are associated to an event.

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