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Minor earthquake, 3.1 mag strikes near Brenas in Puerto Rico


Earthquake location 19.0935S, -66.3591WA minor earthquake magnitude 3.1 (ml/mb) strikes 69 kilometers (43 miles) from Brenas in Puerto Rico on Friday. The 3.1-magnitude earthquake has occurred at 04:01:36 / 4:01 am (local time epicenter). Event id: pr16316002. Ids that are associated to the earthquake: pr16316002. Exact location of event, depth 33 km, -66.3591° West, 19.0935° North. The epicenter of the earthquake was roughly 33 km (21 miles) below the earth’s surface. Exact time and date of earthquake 11/11/16 / 2016-11-11 08:01:36 / November 11, 2016 @ 8:01 am UTC/GMT.

Close country/countries that might be effected, Puerto Rico (c. 3 917 000 pop). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Bayamón, Toa Alta, Arecibo. The epicenter was 75 km (46 miles) from San Juan (c. 418 100 pop), 80 km (50 miles) from Bayamón (c. 203 500 pop), 79 km (49 miles) from Arecibo (c. 49 300 pop), 74 km (46 miles) from Levittown (c. 29 800 pop), 72 km (45 miles) from Vega Baja (c. 29 300 pop).

In the past 24 hours, there have been one, in the last 10 days two, in the past 30 days seventeen and in the last 365 days two hundred and twenty-three earthquakes of magnitude 3.0 or greater that have been detected in the same area. Earthquakes 2.5 to 3.2 are often felt, but only causes minor damage. Every year there are an estimated 130,000 minor earthquakes in the world.

Did you feel the quake?

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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 69 km N of Brenas, Puerto Rico. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 3.1 mb The magnitude for the event.
Longitude -66.3591° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 19.0935° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 33 km Depth of the event in kilometers.
Place 69km N of Brenas, 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 2016-11-11 08:01:36 Time when the event occurred. UTC/GMT
Updated 2016-11-11 11:30:11 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 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 13 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.63331228 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.31 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 255.6 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 pr16316002 Id of event.
Event Code 16316002 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr16316002, A comma-separated list of event ids that are associated to an event.

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