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Minor earthquake, 3.16 mag has occurred near San Antonio in Puerto Rico


Earthquake location 18.8425S, -67.3033WA minor earthquake magnitude 3.16 (ml/mb) has struck on Tuesday, 44 kilometers (27 miles) from San Antonio in Puerto Rico. The earthquake occurred at a depth of 112 km (70 miles) below the earth’s surface. All ids that are associated to the event: pr2019358008. Unique identifier: pr2019358008. The 3.16-magnitude earthquake was detected at 03:43:46 / 3:43 am (local time epicenter). Exact location of event, depth 112 km, -67.3033° West, 18.8425° North. Exact time and date of earthquake 24/12/19 / 2019-12-24 07:43:46 / December 24, 2019 @ 7:43 am UTC/GMT.

Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Hormigueros, Lares, Arecibo. The epicenter was 73 km (46 miles) from Mayagüez (c. 78 600 pop), 74 km (46 miles) from Arecibo (c. 49 300 pop), 49 km (30 miles) from Aguadilla (c. 16 100 pop), 48 km (30 miles) from Isabela (c. 12 500 pop), 80 km (50 miles) from Hormigueros (c. 11 900 pop). Nearby 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 sixteen, in the last 10 days one hundred and fourteen, in the past 30 days one hundred and eighty-two and in the last 365 days nine hundred and fourty-two earthquakes of magnitude 3.0 or greater that was reported nearby. Each year there are an estimated 130,000 minor quakes in the world.

Questions or comments?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 44 km NNW of San Antonio, Puerto Rico. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 3.16 mb The magnitude for the event.
Longitude -67.3033° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.8425° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 112 km Depth of the event in kilometers.
Place 44km 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 2019-12-24 07:43:46 Time when the event occurred. UTC/GMT
Updated 2019-12-24 11:50:09 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 154 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 5 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.7013 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.29 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 313 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 pr2019358008 Id of event.
Event Code 2019358008 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2019358008, A comma-separated list of event ids that are associated to an event.

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