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Minor earthquake, 2.91 mag was detected near Magas Arriba in Puerto Rico


Earthquake location 17.9906S, -66.7628WA minor earthquake with magnitude 2.91 (ml/mb) was detected on Tuesday, 3 kilometers (2 miles) from Magas Arriba in Puerto Rico. Exact location of earthquake, longitude -66.7628 West, latitude 17.9906 North, depth = 12 km. The temblor was detected at 02:05:48 / 2:05 am (local time epicenter). Event id: pr2020028014. Ids that are associated to the earthquake: pr2020028014. Global date and time of event UTC/GMT: 28/01/20 / 2020-01-28 06:05:48 / January 28, 2020 @ 6:05 am. The earthquake occurred at a depth of 12 km (7 miles) below the earth’s surface.

Nearby country/countries that might be effected, Puerto Rico (c. 3 917 000 pop). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Aguas Buenas, Ingenio, Candelaria Arenas. Event epicenter was 16 km (10 miles) from Ponce (c. 152 600 pop), 46 km (29 miles) from Mayagüez (c. 78 600 pop), 54 km (33 miles) from Arecibo (c. 49 300 pop), 64 km (40 miles) from Vega Baja (c. 29 300 pop), 56 km (35 miles) from Barceloneta (c. 22 300 pop).

Earthquakes 2.5 to 3.2 are often felt, but only causes minor damage. In the past 24 hours, there have been thirty-eight, in the last 10 days two hundred and seventy-eight, in the past 30 days eight hundred and fifty-five and in the last 365 days nine hundred and fourty-seven earthquakes of magnitude 3.0 or greater that have been detected in the same area. Each year there are an estimated 130,000 minor earthquakes in the world.

How would you describe the shaking?

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: 3 km SSE of Magas Arriba, Puerto Rico.

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More information

Parameter Value Description
Magnitude 2.91 mb The magnitude for the event.
Longitude -66.7628° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 17.9906° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 12 km Depth of the event in kilometers.
Place 3km SSE of Magas Arriba, 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 2020-01-28 06:05:48 Time when the event occurred. UTC/GMT
Updated 2020-01-29 15:30:12 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 130 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 10 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.1174 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.2 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 185 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 pr2020028014 Id of event.
Event Code 2020028014 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2020028014, A comma-separated list of event ids that are associated to an event.

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