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Minor earthquake, 3.1 mag strikes near San Antonio in Puerto Rico

Earthquake location 19.094S, -67.4165WA minor earthquake magnitude 3.1 (ml/mb) has struck on Friday, 74 kilometers (46 miles) from San Antonio in Puerto Rico. Exact location of event, depth 79 km, -67.4165° West, 19.094° North. Unique identifier: pr2019270043. Ids that are associated to the event: pr2019270043. The 3.1-magnitude earthquake was detected at 12:07:04 / 12:07 pm (local time epicenter). The earthquake was roughly at a depth of 79 km (49 miles). Global date and time of event UTC/GMT: 27/09/19 / 2019-09-27 16:07:04 / September 27, 2019 @ 4:07 pm.

Epicenter of the earthquake was 79 km (49 miles) from Aguadilla (c. 16 100 pop), 78 km (48 miles) from Isabela (c. 12 500 pop). Country/countries that might be effected, Puerto Rico (c. 3 917 000 pop). Nearest cities/city/villages to epicentrum/hypocenter was Aguadilla, Isabela (min 5000 pop).

In the past 24 hours, there have been one hundred and eight, in the last 10 days two hundred and thirty-eight, in the past 30 days two hundred and fifty-seven and in the last 365 days six hundred and fourty-five earthquakes of magnitude 3.0 or greater that was reported nearby. Earthquakes 2.5 to 3.2 are often felt, but only causes minor damage. There are an estimated 130,000 minor quakes in the world each year.

Questions or comments?

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, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 74 km NNW of San Antonio, 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 -67.4165° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 19.094° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 79 km Depth of the event in kilometers.
Place 74km NNW 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 2019-09-27 16:07:04 Time when the event occurred. UTC/GMT
Updated 2019-10-02 15:21:51 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 11 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.6969 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 300 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 pr2019270043 Id of event.
Event Code 2019270043 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2019270043, A comma-separated list of event ids that are associated to an event.

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