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Minor earthquake, 3 mag strikes near Vieques in Puerto Rico


Earthquake location 18.4885S, -65.8199WA minor earthquake magnitude 3 (ml/mb) strikes 7 kilometers (4 miles) from Vieques in Puerto Rico on Thursday. Exact location of earthquake, longitude -65.8199 West, latitude 18.4885 North, depth = 117 km. Date and time of earthquake in UTC/GMT: 08/12/16 / 2016-12-08 07:46:12 / December 8, 2016 @ 7:46 am. Id of earthquake: pr16343006. Event ids that are associated: pr16343006. The 3-magnitude earthquake was detected at 03:46:12 / 3:46 am (local time epicenter). The earthquake occurred at a depth of 117 km (73 miles).

Close country/countries, Puerto Rico (c. 3 917 000 pop) (That might be effected). Event epicenter was 30 km (19 miles) from San Juan (c. 418 100 pop), 37 km (23 miles) from Bayamón (c. 203 500 pop), 19 km (12 miles) from Carolina (c. 170 400 pop), 37 km (23 miles) from Caguas (c. 86 800 pop), 34 km (21 miles) from Guaynabo (c. 81 400 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Salinas, Barceloneta, Coamo.

There are an estimated 130,000 minor earthquakes in the world each year. Earthquakes 2.5 to 3.2 are often felt, but only causes minor damage. In the past 24 hours, there have been one, in the last 10 days ten, in the past 30 days twenty-five and in the last 365 days two hundred and twenty-two earthquakes of magnitude 3.0 or greater that has occurred nearby.

Did you feel the quake?

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. This data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 7 km N of Vieques, Puerto Rico.

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More information

Parameter Value Description
Magnitude 3 mb The magnitude for the event.
Longitude -65.8199° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.4885° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 117 km Depth of the event in kilometers.
Place 7km N 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 2016-12-08 07:46:12 Time when the event occurred. UTC/GMT
Updated 2016-12-08 11:40:24 Time when the event was most recently updated. UTC/GMT
Timezone offset -240 Timezone offset from UTC in minutes at the event epicenter.
Felt 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 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 138 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 10 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.2173923 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 194.4 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 pr16343006 Id of event.
Event Code 16343006 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr16343006, A comma-separated list of event ids that are associated to an event.

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