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Minor earthquake, 2.81 mag has occurred near San Antonio in Puerto Rico

Posted by admin on December 28, 2018 0 Comments

Earthquake location 18.6513S, -67.2158WA minor earthquake magnitude 2.81 (ml/mb) has occurred on Thursday, 21 kilometers (13 miles) from San Antonio in Puerto Rico. Exact location of event, longitude -67.2158 West, latitude 18.6513 North, depth = 49 km. The 2.81-magnitude earthquake has occurred at 20:55:17 / 8:55 pm (local time epicenter). Global date and time of event UTC/GMT: 28/12/18 / 2018-12-28 00:55:17 / December 28, 2018 @ 12:55 am. All ids that are associated to the event: pr2018362003. Unique identifier: pr2018362003. The epicenter was at a depth of 49 km (30 miles).

Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Florida, Adjuntas, Estancias de Florida. Earthquake epicenter was 51 km (32 miles) from Mayagüez (c. 78 600 pop), 56 km (35 miles) from Arecibo (c. 49 300 pop), 75 km (46 miles) from Barceloneta (c. 22 300 pop), 75 km (47 miles) from Adjuntas (c. 19 500 pop), 26 km (16 miles) from Aguadilla (c. 16 100 pop). Country/countries that might be effected, Puerto Rico (c. 3 917 000 pop).

Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage. In the past 24 hours, there have been 0, in the last 10 days sixteen, in the past 30 days fourty-one and in the last 365 days three hundred and fifty-eight earthquakes of magnitude 3.0 or greater that have been detected nearby. There are an estimated 1,300,000 minor earthquakes in the world each year.

Did you feel the quake?

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. This information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 21 km NW of San Antonio, Puerto Rico.

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More information

Parameter Value Description
Magnitude 2.81 mb The magnitude for the event.
Longitude -67.2158° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.6513° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 49 km Depth of the event in kilometers.
Place 21km 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 2018-12-28 00:55:17 Time when the event occurred. UTC/GMT
Updated 2018-12-28 05:25:06 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 121 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 3 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.493 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.28 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 322 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 pr2018362003 Id of event.
Event Code 2018362003 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2018362003, A comma-separated list of event ids that are associated to an event.

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