Minor earthquake, 3.4 mag strikes near Vieques in Puerto Rico

A minor earthquake magnitude 3.4 (ml/mb) strikes 117 km NNE of Vieques, Puerto Rico (73 miles) on Monday. Exact location, longitude -65.5459° West, latitude 19.4552° North, depth = 93 km. Event id: pr15202000. Ids that are associated to the earthquake: pr15202000. Global time and date of event 21/07/15 / 2015-07-21 02:05:59 / July 21, 2015 @ 2:05 am UTC/GMT. The earthquake was roughly at a depth of 93 km (58 miles). The temblor was reported at 22:05:59 / 10:05 pm (local time epicenter).

In the past 24 hours, there have been four, in the last 10 days twenty-three, in the past 30 days thirty-seven and in the last 365 days three hundred and fifty-eight earthquakes of magnitude 3.0 or greater that was reported nearby. Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage. Every year there are an estimated 130,000 minor earthquakes in the world.

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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. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 117 km NNE of Vieques, Puerto Rico.

Puerto Rico Vieques

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Parameter	Value	Description
Magnitude	3.4 mb	The magnitude for the event.
Longitude	-65.5459° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	19.4552° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	93 km	Depth of the event in kilometers.
Place	117km NNE of Vieques, 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	2015-07-21 02:05:59	Time when the event occurred. UTC/GMT
Updated	2015-07-21 02:41:24	Time when the event was most recently updated. UTC/GMT
Timezone offset	-240	Timezone offset from UTC in minutes at the event epicenter.
Felt	0	The total number of felt reports
CDI	1	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	178	A number describing how significant the event is. Larger numbers indicate a more significant event.
Network	pr	The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources	,pr,	A comma-separated list of network contributors.
Number of Stations Used	17	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	1.16870818	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.25 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	248.4	The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type	Md	The method or algorithm used to calculate the preferred magnitude for the event.
Event Type	earthquake	Type of seismic event.
Event ID	pr15202000	Id of event.
Event Code	15202000	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,pr15202000,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake, 3.4 mag strikes near Vieques in Puerto Rico

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