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Minor earthquake, 2.91 mag has occurred near San Antonio in Puerto Rico


Earthquake location 18.8406S, -67.4061WA minor earthquake with magnitude 2.91 (ml/mb) was reported 50 kilometers (31 miles) from San Antonio in Puerto Rico on Monday. The epicenter of the earthquake was roughly 10 km (6 miles) below the earth’s surface. The 2.91-magnitude earthquake has occurred at 14:02:19 / 2:02 pm (local time epicenter). Global date and time of event UTC/GMT: 02/12/19 / 2019-12-02 18:02:19 / December 2, 2019 @ 6:02 pm. Unique identifier: pr2019336008. Ids that are associated to the event: pr2019336008. Exact location of event, depth 10 km, -67.4061° West, 18.8406° North.

Nearest cities/city/towns to hypocenter/epicentrum was Mayagüez, Hatillo, Camuy (min 5000 pop). Epicenter of the event was 76 km (48 miles) from Mayagüez (c. 78 600 pop), 53 km (33 miles) from Aguadilla (c. 16 100 pop), 55 km (34 miles) from Isabela (c. 12 500 pop), 71 km (44 miles) from San Sebastián (c. 11 600 pop), 68 km (42 miles) from Añasco (c. 6 100 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 two, in the last 10 days thirty-four, in the past 30 days eighty-nine and in the last 365 days eight hundred and fifty-six earthquakes of magnitude 3.0 or greater that was reported nearby. There are an estimated 130,000 minor earthquakes in the world each year.

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. 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: 50 km NW of San Antonio, Puerto Rico.

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More information

Parameter Value Description
Magnitude 2.91 mb The magnitude for the event.
Longitude -67.4061° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.8406° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 50km NW of San Antonio, 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 2019-12-02 18:02:19 Time when the event occurred. UTC/GMT
Updated 2019-12-02 19:11:28 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 130 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 7 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.462 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.22 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 299 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 pr2019336008 Id of event.
Event Code 2019336008 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2019336008, A comma-separated list of event ids that are associated to an event.

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