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Minor earthquake, 2.9 mag has occurred near Vieques in Puerto Rico

Earthquake location 18.7155S, -65.6563WA minor earthquake magnitude 2.9 (ml/mb) strikes 37 kilometers (23 miles) from Vieques in Puerto Rico on Friday. The earthquake occurred at a depth of 21 km (13 miles). Exact location, longitude -65.6563° West, latitude 18.7155° North, depth = 21 km. The temblor was reported at 06:52:02 / 6:52 am (local time epicenter). Id of earthquake: pr15212009. Event ids that are associated: pr15212009. Global date and time of event UTC/GMT: 31/07/15 / 2015-07-31 10:52:02 / July 31, 2015 @ 10:52 am.

Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was San Antonio, Toa Alta, Pájaros. Nearby country/countries that might be effected, Puerto Rico (c. 3 917 000 pop). Epicenter of the event was 55 km (34 miles) from San Juan (c. 418 100 pop), 63 km (39 miles) from Bayamón (c. 203 500 pop), 49 km (30 miles) from Carolina (c. 170 400 pop), 68 km (42 miles) from Caguas (c. 86 800 pop), 62 km (39 miles) from Guaynabo (c. 81 400 pop).

In the past 24 hours, there have been four, in the last 10 days fourty-eight, in the past 30 days eighty-two and in the last 365 days three hundred and seventy-five earthquakes of magnitude 3.0 or greater that has struck near. Each year there are an estimated 130,000 minor quakes in the world. Earthquakes 2.5 to 3.2 are often felt, but only causes minor damage.

How would you describe the shaking?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity and damage at your home, city 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: 37 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 -65.6563° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.7155° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 21 km Depth of the event in kilometers.
Place 37km 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 2015-07-31 10:52:02 Time when the event occurred. UTC/GMT
Updated 2015-07-31 11:35:05 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 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 12 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.53898917 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.23 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 201.6 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 pr15212009 Id of event.
Event Code 15212009 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr15212009, A comma-separated list of event ids that are associated to an event.

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