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Light earthquake, 4 mag strikes near Gustavia in Saint Barthélemy

Earthquake location 17.7929S, -62.5085WA light earthquake with magnitude 4 (ml/mb) was detected on Thursday, 37 kilometers (23 miles) from Gustavia in Saint Barthélemy. A tsunami warning has been issued near Gustavia in Saint Barthélemy (Does not indicate if a tsunami actually did or will exist). Exact location of earthquake, longitude -62.5085 West, latitude 17.7929 North, depth = 83.33 km. Exact time and date of event in UTC/GMT: 23/09/16 / 2016-09-23 01:48:34 / September 23, 2016 @ 1:48 am. The earthquake occurred at a depth of 83.33 km (52 miles). The temblor was reported at 21:48:34 / 9:48 pm (local time epicenter). Event id: us10006rtr. Ids that are associated to the earthquake: at00odxp0z, us10006rtr.

Close country/countries, Saint Barthelemy (c. 8 000 pop), Saint Kitts and Nevis (c. 51 000 pop), Saint Martin (c. 36 000 pop), Sint Maarten (c. 37 000 pop) (That might be effected). The epicenter was 60 km (37 miles) from Basseterre (c. 12 900 pop), 65 km (40 miles) from Cul de Sac (c. 8 500 pop), 38 km (24 miles) from Gustavia (c. 6 000 pop), 68 km (42 miles) from Marigot (c. 5 700 pop), 76 km (47 miles) from Fig Tree (c. 2 900 pop), 75 km (47 miles) from Market Shop (c. 2 600 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was The Bottom, Fig Tree, Market Shop.

Each year there are an estimated 13,000 light earthquakes in the world. In the past 24 hours, there have been two, in the last 10 days two, in the past 30 days two and in the last 365 days seven 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.

Questions or comments?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking and damage at your home, city and country. This information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 37 km ESE of Gustavia, Saint Barthélemy.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude -62.5085° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 17.7929° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 83.33 km Depth of the event in kilometers.
Place 37km ESE of Gustavia, Saint Barthélemy Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2016-09-23 01:48:34 Time when the event occurred. UTC/GMT
Updated 2016-09-23 05:22:24 Time when the event was most recently updated. UTC/GMT
Timezone offset -240 Timezone offset from UTC in minutes at the event epicenter.
Felt 7 The total number of felt reports
CDI 2.9 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 248 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 ,at,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 0.596 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.34 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 124 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 us10006rtr Id of event.
Event Code 10006rtr An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,at00odxp0z,us10006rtr, A comma-separated list of event ids that are associated to an event.

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