Minor earthquake, 3.35 mag was detected near Puerto Rico region

A minor earthquake with magnitude 3.35 (ml/mb) was reported Puerto Rico region kilometers (0 miles) from Puerto Rico region on Friday. Exact location of earthquake, longitude -67.0335 West, latitude 17.9231 North, depth = 7 km. The epicenter was at a depth of 7 km (4 miles). Event ids that are associated to the earthquake: pr2020353000. Id of event: pr2020353000. Global time and date of event 18/12/20 / 2020-12-18 00:40:41 / December 18, 2020 @ 12:40 am UTC/GMT. The temblor was picked up at 00:40:41 / 12:40 am (local time epicenter).

Close country/countries that might be effected, Puerto Rico (c. 3 917 000 pop). The epicenter was 45 km (28 miles) from Ponce (c. 152 600 pop), 33 km (20 miles) from Mayagüez (c. 78 600 pop), 70 km (43 miles) from Arecibo (c. 49 300 pop), 79 km (49 miles) from Barceloneta (c. 22 300 pop), 23 km (14 miles) from Yauco (c. 20 300 pop). Nearest cities/city/towns to hypocenter/epicentrum was Manatí, Morovis, Barceloneta (min 5000 pop).

Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage. In the past 24 hours, there have been three, in the last 10 days twenty-one, in the past 30 days fifty-four and in the last 365 days two thousand, eight hundred and thirty-four earthquakes of magnitude 3.0 or greater that have been detected in the same area. Each year there are an estimated 130,000 minor quakes in the world.

Questions or comments?

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 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: Puerto Rico region.

More information

Parameter	Value	Description
Magnitude	3.35 mb	The magnitude for the event.
Longitude	-67.0335° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	17.9231° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	7 km	Depth of the event in kilometers.
Place	Puerto Rico region	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2020-12-18 00:40:41	Time when the event occurred. UTC/GMT
Updated	2020-12-18 01:03:01	Time when the event was most recently updated. UTC/GMT
Timezone offset		Timezone offset from UTC in minutes at the event epicenter.
Felt	1	The total number of felt reports
CDI	3.8	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	173	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	17	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	0.0476	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.27 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	239	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	pr2020353000	Id of event.
Event Code	2020353000	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,pr2020353000,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake, 3.35 mag was detected near Puerto Rico region

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