Minor earthquake, 3.7 mag strikes near Guanica in Puerto Rico

A minor earthquake with magnitude 3.7 (ml/mb) was reported 13 kilometers (8 miles) from Guanica in Puerto Rico on Saturday. All ids that are associated to the event: us600079wu. Unique identifier: us600079wu. Global time and date of event 18/01/20 / 2020-01-18 08:47:14 / January 18, 2020 @ 8:47 am UTC/GMT. The epicenter was at a depth of 10 km (6 miles). The temblor was picked up at 04:47:14 / 4:47 am (local time epicenter). Exact location of earthquake, longitude -66.8994 West, latitude 17.8494 North, depth = 10 km.

The epicenter was 35 km (22 miles) from Ponce (c. 152 600 pop), 47 km (29 miles) from Mayagüez (c. 78 600 pop), 72 km (45 miles) from Arecibo (c. 49 300 pop), 85 km (53 miles) from Vega Baja (c. 29 300 pop), 77 km (48 miles) from Barceloneta (c. 22 300 pop), 84 km (52 miles) from Guayama (c. 21 600 pop). Nearest cities/city/villages to epicentrum/hypocenter was Vega Alta, Cidra, Naranjito (min 5000 pop). Nearby country/countries that might be effected, Puerto Rico (c. 3 917 000 pop).

Each year there are an estimated 130,000 minor earthquakes in the world. Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage. In the past 24 hours, there have been thirty-five, in the last 10 days three hundred and eighty-six, in the past 30 days five hundred and sixty-six and in the last 365 days six hundred and six earthquakes of magnitude 3.0 or greater that has struck near.

Questions or comments?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 13 km S of Guanica, Puerto Rico. This information comes from the USGS Earthquake Notification Service.

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Parameter	Value	Description
Magnitude	3.7 mb	The magnitude for the event.
Longitude	-66.8994° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	17.8494° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	10 km	Depth of the event in kilometers.
Place	13km S 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	2020-01-18 08:47:14	Time when the event occurred. UTC/GMT
Updated	2020-01-18 08:55:43	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	211	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	0.199	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.53 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	160	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	us600079wu	Id of event.
Event Code	600079wu	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us600079wu,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake, 3.7 mag strikes near Guanica in Puerto Rico

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