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Minor earthquake, 2.81 mag strikes near Guanica in Puerto Rico


Earthquake location 17.8505S, -66.876WA minor earthquake magnitude 2.81 (ml/mb) has occurred on Tuesday, 13 kilometers (8 miles) from Guanica in Puerto Rico. Date and time of earthquake in UTC/GMT: 21/01/20 / 2020-01-21 05:34:34 / January 21, 2020 @ 5:34 am. Exact location of event, longitude -66.876 West, latitude 17.8505 North, depth = 5 km. The temblor was picked up at 01:34:34 / 1:34 am (local time epicenter). Unique identifier: pr2020021026. Ids that are associated to the event: pr2020021026. The epicenter was at a depth of 5 km (3 miles).

Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Manatí, Barceloneta, Isabela. Epicenter of the earthquake was 33 km (20 miles) from Ponce (c. 152 600 pop), 48 km (30 miles) from Mayagüez (c. 78 600 pop), 71 km (44 miles) from Arecibo (c. 49 300 pop), 76 km (47 miles) from Barceloneta (c. 22 300 pop), 21 km (13 miles) from Yauco (c. 20 300 pop). Close country/countries, Puerto Rico (c. 3 917 000 pop) (That might be effected).

Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage. In the past 24 hours, there have been ninety, in the last 10 days four hundred and eighty-five, in the past 30 days seven hundred and sixty-four and in the last 365 days eight hundred and four earthquakes of magnitude 3.0 or greater that has occurred nearby. Each year there are an estimated 1,300,000 minor quakes in the world.

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 data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 13 km SSE of Guanica, Puerto Rico.

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More information

Parameter Value Description
Magnitude 2.81 mb The magnitude for the event.
Longitude -66.876° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 17.8505° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 5 km Depth of the event in kilometers.
Place 13km SSE of Guanica, 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 2020-01-21 05:34:34 Time when the event occurred. UTC/GMT
Updated 2020-01-25 05:20:58 Time when the event was most recently updated. UTC/GMT
Timezone offset -240 Timezone offset from UTC in minutes at the event epicenter.
Felt 6 The total number of felt reports
CDI 3.1 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 123 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 13 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.1246 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.09 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 236 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 pr2020021026 Id of event.
Event Code 2020021026 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2020021026, A comma-separated list of event ids that are associated to an event.

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