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Minor earthquake, 3.11 mag has occurred near Guánica in Puerto Rico


Earthquake location 17.9615S, -66.9478WA minor earthquake magnitude 3.11 (ml/mb) strikes 4 kilometers (2 miles) from Guánica in Puerto Rico on Sunday. Global time and date of event 05/07/20 / 2020-07-05 08:13:59 / July 5, 2020 @ 8:13 am UTC/GMT. All ids that are associated to the event: us7000ai79, pr2020187005. Unique identifier: pr2020187005. Exact location of event, longitude -66.9478 West, latitude 17.9615 North, depth = 9 km. The temblor was reported at 08:13:59 / 8:13 am (local time epicenter). The epicenter was at a depth of 9 km (6 miles).

Nearby country/countries that might be effected, Puerto Rico (c. 3 917 000 pop). Event epicenter was 36 km (22 miles) from Ponce (c. 152 600 pop), 33 km (21 miles) from Mayagüez (c. 78 600 pop), 62 km (38 miles) from Arecibo (c. 49 300 pop), 80 km (50 miles) from Vega Baja (c. 29 300 pop), 69 km (43 miles) from Barceloneta (c. 22 300 pop). Nearest cities/city/villages to epicentrum/hypocenter was Vega Baja, Corozal, Aibonito (min 5000 pop).

Earthquakes 2.5 to 3.2 are often felt, but only causes minor damage. In the past 24 hours, there have been twenty, in the last 10 days one hundred and fourty-five, in the past 30 days two hundred and fifty and in the last 365 days two thousand, four hundred and eight earthquakes of magnitude 3.0 or greater that has occurred nearby. Each year there are an estimated 130,000 minor quakes in the world.

How would you describe the shaking?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. 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: 4 km WSW of Guánica, Puerto Rico.

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More information

Parameter Value Description
Magnitude 3.11 mb The magnitude for the event.
Longitude -66.9478° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 17.9615° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 9 km Depth of the event in kilometers.
Place 4 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 2020-07-05 08:13:59 Time when the event occurred. UTC/GMT
Updated 2020-07-05 09:19:05 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 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 149 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 23 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.0699 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.12 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 186 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 pr2020187005 Id of event.
Event Code 2020187005 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us7000ai79,pr2020187005, A comma-separated list of event ids that are associated to an event.

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