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Minor earthquake, 3.1 mag strikes near Vega Baja in Puerto Rico

Earthquake location 18.4908S, -66.4172WA minor earthquake magnitude 3.1 (ml/mb) strikes 6 kilometers (4 miles) from Vega Baja in Puerto Rico on Sunday. The earthquake occurred at a depth of 108 km (67 miles) below the earth’s surface. The 3.1-magnitude earthquake was detected at 18:34:07 / 6:34 pm (local time epicenter). Exact time and date of earthquake 22/05/16 / 2016-05-22 22:34:07 / May 22, 2016 @ 10:34 pm UTC/GMT. All ids that are associated to the event: pr16143005. Unique identifier: pr16143005. Exact location of earthquake, -66.4172° West, 18.4908° North, depth 108 km.

Earthquake epicenter was 33 km (20 miles) from San Juan (c. 418 100 pop), 29 km (18 miles) from Bayamón (c. 203 500 pop), 50 km (31 miles) from Carolina (c. 170 400 pop), 57 km (36 miles) from Ponce (c. 152 600 pop), 48 km (30 miles) from Caguas (c. 86 800 pop). Nearest cities/city/towns to hypocenter/epicentrum was San Germán, Añasco, Punta Santiago (min 5000 pop). Nearby country/countries that might be effected, Puerto Rico (c. 3 917 000 pop).

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 two, in the past 30 days ten and in the last 365 days two hundred and fifty earthquakes of magnitude 3.0 or greater that was reported nearby. Each year there are an estimated 130,000 minor earthquakes in the world.

Did you feel it?

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. 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: 6 km NNW of Vega Baja, Puerto Rico.

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More information

Parameter Value Description
Magnitude 3.1 mb The magnitude for the event.
Longitude -66.4172° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.4908° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 108 km Depth of the event in kilometers.
Place 6km NNW of Vega Baja, 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 2016-05-22 22:34:07 Time when the event occurred. UTC/GMT
Updated 2016-05-22 23:39:27 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 148 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 14 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.1060012 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.34 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 pr16143005 Id of event.
Event Code 16143005 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr16143005, A comma-separated list of event ids that are associated to an event.

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