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Minor earthquake 3.09 mag, 76 km N of San Antonio, Puerto Rico

Earthquake location 19.1766S, -67.2043WA minor earthquake with magnitude 3.09 (ml/mb) was detected on Saturday, 76 kilometers (47 miles) from San Antonio in Puerto Rico. The epicenter was at a depth of 24 km (15 miles). The 3.09-magnitude earthquake was detected at 17:52:50 / 5:52 pm (local time epicenter). Exact time and date of event in UTC/GMT: 28/12/19 / 2019-12-28 21:52:50 / December 28, 2019 @ 9:52 pm. Exact location of earthquake, -67.2043° West, 19.1766° North, depth 24 km. Unique identifier: pr2019362023. Ids that are associated to the event: pr2019362023.

Epicenter of the event was 77 km (48 miles) from Isabela (c. 12 500 pop). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Isabela. Close country/countries, Puerto Rico (c. 3 917 000 pop) (That might be effected).

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

Did you feel it?

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: 76 km N of San Antonio, Puerto Rico. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 3.09 mb The magnitude for the event.
Longitude -67.2043° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 19.1766° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 24 km Depth of the event in kilometers.
Place 76km N 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 2019-12-28 21:52:50 Time when the event occurred. UTC/GMT
Updated 2019-12-29 03:59:52 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 147 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 4 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.7152 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.42 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 337 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 pr2019362023 Id of event.
Event Code 2019362023 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2019362023, A comma-separated list of event ids that are associated to an event.

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