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Minor earthquake: M3.1 quake has struck near Rincon in Puerto Rico

Earthquake location 18.493S, -67.5241WA minor earthquake with magnitude 3.1 (ml/mb) was reported 33 kilometers (21 miles) from Rincon in Puerto Rico on Friday. The epicenter was at a depth of 13 km (8 miles). Exact location, longitude -67.5241° West, latitude 18.493° North, depth = 13 km. Exact time and date of event in UTC/GMT: 05/11/16 / 2016-11-05 01:38:02 / November 5, 2016 @ 1:38 am. The 3.1-magnitude earthquake was detected at 20:38:02 / 8:38 pm (local time epicenter). All ids that are associated to the event: pr16310000. Unique identifier: pr16310000.

Earthquake epicenter was 52 km (32 miles) from Mayagüez (c. 78 600 pop), 40 km (25 miles) from Aguadilla (c. 16 100 pop), 53 km (33 miles) from Isabela (c. 12 500 pop), 68 km (42 miles) from San Germán (c. 12 100 pop), 57 km (36 miles) from Hormigueros (c. 11 900 pop). Close country/countries that might be effected, Puerto Rico (c. 3 917 000 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Sabana Grande, Hatillo, Lares.

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

Questions or comments?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking and damage at your home, city and country. This information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 33 km WNW of Rincon, Puerto Rico.

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More information

Parameter Value Description
Magnitude 3.1 mb The magnitude for the event.
Longitude -67.5241° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.493° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 13 km Depth of the event in kilometers.
Place 33km WNW of Rincon, 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 2016-11-05 01:38:02 Time when the event occurred. UTC/GMT
Updated 2016-11-05 02:01:21 Time when the event was most recently updated. UTC/GMT
Timezone offset -300 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 14 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.11498436 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.1 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 291.6 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 pr16310000 Id of event.
Event Code 16310000 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr16310000, A comma-separated list of event ids that are associated to an event.

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