Minor earthquake, 3.22 mag has occurred near Guánica in Puerto Rico

A minor earthquake magnitude 3.22 (ml/mb) has occurred on Saturday, 7 kilometers (4 miles) from Guánica in Puerto Rico. The 3.22-magnitude earthquake has occurred at 23:45:12 / 11:45 pm (local time epicenter). The earthquake occurred at a depth of 6 km (4 miles) below the earth’s surface. Global date and time of event UTC/GMT: 08/08/20 / 2020-08-08 23:45:12 / August 8, 2020 @ 11:45 pm. Id of earthquake: pr2020221009. Event ids that are associated: pr2020221009, us6000bb92. Exact location of earthquake, -66.88° West, 17.9125° North, depth 6 km.

Nearby country/countries that might be effected, Puerto Rico (c. 3 917 000 pop). Nearest cities/city/villages to epicentrum/hypocenter was Vega Alta, Naranjito, Vega Baja (min 5000 pop). Event epicenter was 30 km (19 miles) from Ponce (c. 152 600 pop), 42 km (26 miles) from Mayagüez (c. 78 600 pop), 65 km (40 miles) from Arecibo (c. 49 300 pop), 79 km (49 miles) from Vega Baja (c. 29 300 pop), 70 km (43 miles) from Barceloneta (c. 22 300 pop).

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

Questions or comments?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 7 km SSE of Guánica, Puerto Rico.

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Parameter	Value	Description
Magnitude	3.22 mb	The magnitude for the event.
Longitude	-66.88° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	17.9125° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	6 km	Depth of the event in kilometers.
Place	7 km SSE of Guánica, 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	2020-08-08 23:45:12	Time when the event occurred. UTC/GMT
Updated	2020-08-09 00:06:59	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	4.6	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	160	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,us,	A comma-separated list of network contributors.
Number of Stations Used	22	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	0.0626	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.09 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	217	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	pr2020221009	Id of event.
Event Code	2020221009	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,pr2020221009,us6000bb92,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake, 3.22 mag has occurred near Guánica in Puerto Rico

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