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Minor earthquake, 3.1 mag was detected near Guanica in Puerto Rico


Earthquake location 17.8927S, -66.9549WA minor earthquake with magnitude 3.1 (ml/mb) was reported 10 kilometers (6 miles) from Guanica in Puerto Rico on Friday. Unique identifier: us60007f8w. Ids that are associated to the event: us60007f8w. The epicenter of the earthquake was roughly 10 km (6 miles) below the earth’s surface. Exact location of event, longitude -66.9549 West, latitude 17.8927 North, depth = 10 km. Date and time of earthquake in UTC/GMT: 24/01/20 / 2020-01-24 23:31:57 / January 24, 2020 @ 11:31 pm. The temblor was reported at 19:31:57 / 7:31 pm (local time epicenter).

Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Aibonito, Manatí, Barceloneta. The epicenter was 38 km (24 miles) from Ponce (c. 152 600 pop), 39 km (25 miles) from Mayagüez (c. 78 600 pop), 69 km (43 miles) from Arecibo (c. 49 300 pop), 76 km (47 miles) from Barceloneta (c. 22 300 pop), 19 km (12 miles) from Yauco (c. 20 300 pop). Country/countries that might be effected, Puerto Rico (c. 3 917 000 pop).

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

Did you feel the quake?

Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home 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: 10 km SSW of Guanica, Puerto Rico.

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More information

Parameter Value Description
Magnitude 3.1 mb The magnitude for the event.
Longitude -66.9549° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 17.8927° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 10km SSW 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 2020-01-24 23:31:57 Time when the event occurred. UTC/GMT
Updated 2020-01-24 23:52:49 Time when the event was most recently updated. UTC/GMT
Timezone offset -240 Timezone offset from UTC in minutes at the event epicenter.
Felt 2 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 148 A number describing how significant the event is. Larger numbers indicate a more significant event.
Network us The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,us, A comma-separated list of network contributors.
Number of Stations Used The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.114 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.73 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 204 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type ml The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID us60007f8w Id of event.
Event Code 60007f8w An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us60007f8w, A comma-separated list of event ids that are associated to an event.

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