Minor earthquake: M3.9 quake has struck near Vieques in Puerto Rico

A minor earthquake with magnitude 3.9 (ml/mb) was reported 120 km NNE of Vieques, Puerto Rico (75 miles) on Saturday. The epicenter of the earthquake was roughly 101 km (63 miles) below the earth’s surface. Global date and time of event UTC/GMT: 07/08/16 / 2016-08-07 02:28:55 / August 7, 2016 @ 2:28 am. Id of earthquake: pr16220001. Event ids that are associated: pr16220001. Exact location of earthquake, longitude -65.4365 West, latitude 19.4428 North, depth = 101 km. The 3.9-magnitude earthquake has occurred at 22:28:55 / 10:28 pm (local time epicenter).

Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage. There are an estimated 130,000 minor quakes in the world each year. In the past 24 hours, there have been one, in the last 10 days nine, in the past 30 days thirteen and in the last 365 days six hundred and eighteen earthquakes of magnitude 3.0 or greater that has occurred nearby.

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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. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 120 km NNE of Vieques, Puerto Rico. This data comes from the USGS Earthquake Notification Service.

Puerto Rico Vieques

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Parameter	Value	Description
Magnitude	3.9 mb	The magnitude for the event.
Longitude	-65.4365° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	19.4428° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	101 km	Depth of the event in kilometers.
Place	120km 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	2016-08-07 02:28:55	Time when the event occurred. UTC/GMT
Updated	2016-08-07 03:22:29	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	234	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	1.13726715	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.46 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	237.6	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	pr16220001	Id of event.
Event Code	16220001	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,pr16220001,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake: M3.9 quake has struck near Vieques in Puerto Rico

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