Earthquake: M 4.1 quake strikes near Culebra in Puerto Rico

A light earthquake magnitude 4.1 (mg/mb) was reported Sunday, 76 kilometers (47 miles) from Culebra in Puerto Rico. The temblor was reported at 06:14:46 / 6:14 pm (local time epicenter) at a depth of 39 km (24 miles). Global time of event 2014-12-21 10:14:46 UTC/GMT. A tsunami warning has been issued near Culebra in Puerto Rico, according to the U.S. Geological Survey. Exact location of event, longitude -65.229 West, latitude 18.9869 North, depth 39 km.

Close countries, Puerto Rico (c. 3 917 000 pop), British Virgin Islands (c. 22 000 pop), U.S. Virgin Islands (c. 109 000 pop). The epicenter was 86 km (53 miles) from Fajardo (c. 34 100 pop), 90 km (56 miles) from Tortola (c. 23 900 pop), 78 km (49 miles) from Charlotte Amalie (c. 20 000 pop), 89 km (56 miles) from Road Town (c. 8 400 pop), 85 km (53 miles) from Luquillo (c. 8 300 pop). Nearest city, towns to epicentrum/hypocenter was Tortola, Road Town, Cruz Bay.

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Leave a comment or report about shaking, activity and damage at your home, city and country. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded in: 76 km N of Culebra, Puerto Rico.

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Parameter	Value	Description
Magnitude	4.1 mb	The magnitude for the event.
Longitude	-65.229° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	18.9869° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	39 km	Depth of the event in kilometers.
Place	76km N of Culebra, Puerto Rico	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2014-12-21 22:14:46	Time when the event occurred. UTC/GMT
Updated	2014-12-21 22:18:34	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	259	A number describing how significant the event is. Larger numbers indicate a more significant event.
Network	at	The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources	at	A comma-separated list of network contributors.
Number of Stations Used	21	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	0.92616306	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.68 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	187.2	The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type	Ml	The method or algorithm used to calculate the preferred magnitude for the event.
Event Type	earthquake	Type of seismic event.
Event ID	at00ngydsm	Id of event.
Event Code	00ngydsm	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	at00ngydsm	A comma-separated list of event ids that are associated to an event.

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Earthquake: M 4.1 quake strikes near Culebra in Puerto Rico

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