Light earthquake, 4.9 mag was detected near Codrington in Barbuda

A light earthquake magnitude 4.9 (ml/mb) has occurred on Monday, 85 kilometers (53 miles) from Codrington in Barbuda. Exact location, longitude -61.9254° West, latitude 18.4025° North, depth = 17.94 km. Event id: us2000bv7g. Ids that are associated to the earthquake: pt17332000, us2000bv7g. The temblor was reported at 20:12:42 / 8:12 pm (local time epicenter). Date and time of earthquake in UTC/GMT: 28/11/17 / 2017-11-28 00:12:42 / November 28, 2017 @ 12:12 am. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The epicenter was at a depth of 17.94 km (11 miles).

Epicenter of the event was 86 km (53 miles) from Codrington (c. 1 300 pop). Nearby country/countries that might be effected, Antigua and Barbuda (c. 87 000 pop). Nearest cities/city/villages to epicentrum/hypocenter was Codrington (min 5000 pop).

Each year there are an estimated 13,000 light quakes 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 four earthquakes of magnitude 3.0 or greater that have been detected in the same area. 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: 85 km N of Codrington, Barbuda.

More information

Parameter	Value	Description
Magnitude	4.9 mb	The magnitude for the event.
Longitude	-61.9254° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	18.4025° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	17.94 km	Depth of the event in kilometers.
Place	85km N of Codrington, Barbuda	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2017-11-28 00:12:42	Time when the event occurred. UTC/GMT
Updated	2017-11-28 00:53:03	Time when the event was most recently updated. UTC/GMT
Timezone offset	-240	Timezone offset from UTC in minutes at the event epicenter.
Felt	8	The total number of felt reports
CDI	3.4	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	372	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	1.146	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.57 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	60	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	us2000bv7g	Id of event.
Event Code	2000bv7g	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,pt17332000,us2000bv7g,	A comma-separated list of event ids that are associated to an event.

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Light earthquake, 4.9 mag was detected near Codrington in Barbuda

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