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Minor earthquake 3.13 mag, 6 km WSW of Guánica, Puerto Rico


Earthquake location 17.9503S, -66.968WA minor earthquake magnitude 3.13 (ml/mb) has struck on Sunday, 6 kilometers (4 miles) from Guánica in Puerto Rico. The earthquake occurred at a depth of 11 km (7 miles). Date and time of earthquake in UTC/GMT: 09/08/20 / 2020-08-09 22:31:09 / August 9, 2020 @ 10:31 pm. The 3.13-magnitude earthquake has occurred at 22:31:09 / 10:31 pm (local time epicenter). Exact location of event, depth 11 km, -66.968° West, 17.9503° North. Unique identifier: pr2020222005. Ids that are associated to the event: us6000bbm1, pr2020222005.

Nearby country/countries, Puerto Rico (c. 3 917 000 pop) (That might be effected). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Aibonito, Coco, Barranquitas. Epicenter of the event was 38 km (24 miles) from Ponce (c. 152 600 pop), 33 km (21 miles) from Mayagüez (c. 78 600 pop), 64 km (40 miles) from Arecibo (c. 49 300 pop), 72 km (45 miles) from Barceloneta (c. 22 300 pop), 16 km (10 miles) from Yauco (c. 20 300 pop).

In the past 24 hours, there have been eleven, in the last 10 days thirty-four, in the past 30 days one hundred and seventeen and in the last 365 days two thousand, five hundred and eighty earthquakes of magnitude 3.0 or greater that was reported nearby. Each year there are an estimated 130,000 minor earthquakes in the world. Earthquakes 2.5 to 3.2 are often felt, but only causes minor damage.

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 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: 6 km WSW of Guánica, Puerto Rico.

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More information

Parameter Value Description
Magnitude 3.13 mb The magnitude for the event.
Longitude -66.968° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 17.9503° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 11 km Depth of the event in kilometers.
Place 6 km WSW 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 2020-08-09 22:31:09 Time when the event occurred. UTC/GMT
Updated 2020-08-09 22:55:11 Time when the event was most recently updated. UTC/GMT
Timezone offset 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 2.411 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 151 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 ,us,pr, 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 0.0786 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 201 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 pr2020222005 Id of event.
Event Code 2020222005 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000bbm1,pr2020222005, A comma-separated list of event ids that are associated to an event.

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