Minor earthquake: M3.1 quake has struck near Guanica in Puerto Rico

A minor earthquake magnitude 3.1 (ml/mb) has struck on Thursday, 4 kilometers (2 miles) from Guanica in Puerto Rico. Exact location of earthquake, longitude -66.937 West, latitude 17.9403 North, depth = 10 km. Unique identifier: us60007dl9. Ids that are associated to the event: us60007dl9. The temblor was detected at 02:48:22 / 2:48 am (local time epicenter). The earthquake occurred at a depth of 10 km (6 miles) below the earth’s surface. Global date and time of event UTC/GMT: 23/01/20 / 2020-01-23 06:48:22 / January 23, 2020 @ 6:48 am.

Country/countries that might be effected, Puerto Rico (c. 3 917 000 pop). Epicenter of the earthquake was 35 km (22 miles) from Ponce (c. 152 600 pop), 36 km (22 miles) from Mayagüez (c. 78 600 pop), 64 km (40 miles) from Arecibo (c. 49 300 pop), 71 km (44 miles) from Barceloneta (c. 22 300 pop), 14 km (9 miles) from Yauco (c. 20 300 pop). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Corozal, Aibonito, Coco.

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

Did you feel it?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking 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: 4 km SW of Guanica, Puerto Rico.

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Parameter	Value	Description
Magnitude	3.1 mb	The magnitude for the event.
Longitude	-66.937° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	17.9403° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	10 km	Depth of the event in kilometers.
Place	4km SW 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	2020-01-23 06:48:22	Time when the event occurred. UTC/GMT
Updated	2020-01-23 06:53:26	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	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	0.125	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.75 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	167	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	us60007dl9	Id of event.
Event Code	60007dl9	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us60007dl9,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake: M3.1 quake has struck near Guanica in Puerto Rico

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