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Minor earthquake: M2.8 quake has struck near Guánica in Puerto Rico


Earthquake location 17.9346S, -66.9573WA minor earthquake with magnitude 2.8 (ml/mb) was detected on Friday, 6 kilometers (4 miles) from Guánica in Puerto Rico. Exact time and date of event in UTC/GMT: 10/07/20 / 2020-07-10 19:34:03 / July 10, 2020 @ 7:34 pm. Exact location of event, longitude -66.9573 West, latitude 17.9346 North, depth = 12.39 km. All ids that are associated to the event: us7000allz. Unique identifier: us7000allz. The earthquake occurred at a depth of 12.39 km (8 miles) below the earth’s surface. The 2.8-magnitude earthquake has occurred at 19:34:03 / 7:34 pm (local time epicenter).

Nearest cities/city/towns to hypocenter/epicentrum was Aibonito, Barranquitas, Coco (min 5000 pop). Nearby country/countries, Puerto Rico (c. 3 917 000 pop) (That might be effected). Epicenter of the earthquake was 37 km (23 miles) from Ponce (c. 152 600 pop), 35 km (22 miles) from Mayagüez (c. 78 600 pop), 65 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 six, in the last 10 days one hundred and six, in the past 30 days two hundred and seventy-one and in the last 365 days two thousand, four hundred and thirty-six earthquakes of magnitude 3.0 or greater that was reported nearby. There are an estimated 1,300,000 minor earthquakes in the world each year. Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage.

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: 6 km SW of Guánica, Puerto Rico.

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More information

Parameter Value Description
Magnitude 2.8 mb The magnitude for the event.
Longitude -66.9573° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 17.9346° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 12.39 km Depth of the event in kilometers.
Place 6 km SW 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 2020-07-10 19:34:03 Time when the event occurred. UTC/GMT
Updated 2020-07-10 21:17:19 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 121 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 0.089 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.23 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 210 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 us7000allz Id of event.
Event Code 7000allz An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us7000allz, A comma-separated list of event ids that are associated to an event.

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