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Minor earthquake: M2.9 quake has struck near Vieques in Puerto Rico

Earthquake location 18.7887S, -65.708WA minor earthquake with magnitude 2.9 (ml/mb) was detected on Friday, 42 kilometers (26 miles) from Vieques in Puerto Rico. The temblor was detected at 14:47:59 / 2:47 pm (local time epicenter). Exact location, longitude -65.708° West, latitude 18.7887° North, depth = 56 km. Exact time and date of event in UTC/GMT: 31/03/17 / 2017-03-31 18:47:59 / March 31, 2017 @ 6:47 pm. All ids that are associated to the event: pr17090009. Unique identifier: pr17090009. The epicenter was at a depth of 56 km (35 miles).

Closest city/cities/towns to epicentrum/hypocenter was Isabel Segunda, San Antonio, Aguas Buenas (min 5000 pop). The epicenter was 55 km (34 miles) from San Juan (c. 418 100 pop), 64 km (40 miles) from Bayamón (c. 203 500 pop), 52 km (33 miles) from Carolina (c. 170 400 pop), 71 km (44 miles) from Caguas (c. 86 800 pop), 64 km (40 miles) from Guaynabo (c. 81 400 pop). Close country/countries that might be effected, Puerto Rico (c. 3 917 000 pop).

In the past 24 hours, there have been fourteen, in the last 10 days thirty-two, in the past 30 days fifty-three and in the last 365 days three hundred and fourty-nine earthquakes of magnitude 3.0 or greater that have been detected nearby. Earthquakes 2.5 to 3.2 are often felt, but only causes minor damage. There are an estimated 130,000 minor quakes in the world each year.

Did you feel anything?

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: 42 km NNE of Vieques, Puerto Rico.

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More information

Parameter Value Description
Magnitude 2.9 mb The magnitude for the event.
Longitude -65.708° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.7887° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 56 km Depth of the event in kilometers.
Place 42km 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 2017-03-31 18:47:59 Time when the event occurred. UTC/GMT
Updated 2017-03-31 21:15:50 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 129 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 6 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.53359928 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.07 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 266.4 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 pr17090009 Id of event.
Event Code 17090009 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr17090009, A comma-separated list of event ids that are associated to an event.

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