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

Earthquake location 18.4568S, -66.3728WA minor earthquake with magnitude 3.1 (ml/mb) was detected on Friday, 1 kilometers (1 miles) from Sabana in Puerto Rico. Exact location of earthquake, longitude -66.3728 West, latitude 18.4568 North, depth = 114 km. Exact time and date of event in UTC/GMT: 17/12/16 / 2016-12-17 00:53:41 / December 17, 2016 @ 12:53 am. Id of earthquake: pr16352000. Event ids that are associated: pr16352000. The earthquake occurred at a depth of 114 km (71 miles) below the earth’s surface. The temblor was reported at 20:53:41 / 8:53 pm (local time epicenter).

Epicenter of the earthquake was 28 km (18 miles) from San Juan (c. 418 100 pop), 24 km (15 miles) from Bayamón (c. 203 500 pop), 45 km (28 miles) from Carolina (c. 170 400 pop), 56 km (35 miles) from Ponce (c. 152 600 pop), 42 km (26 miles) from Caguas (c. 86 800 pop). Country/countries that might be effected, Puerto Rico (c. 3 917 000 pop). Nearest cities/city/towns to hypocenter/epicentrum was Ceiba, Moca, Guánica (min 5000 pop).

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

Did you feel anything?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 1 km WSW of Sabana, Puerto Rico. This data 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 -66.3728° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.4568° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 114 km Depth of the event in kilometers.
Place 1km WSW of Sabana, 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 2016-12-17 00:53:41 Time when the event occurred. UTC/GMT
Updated 2016-12-17 01:20:01 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 14 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.15001865 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 190.8 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 pr16352000 Id of event.
Event Code 16352000 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr16352000, A comma-separated list of event ids that are associated to an event.

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