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Minor earthquake, 3.15 mag has occurred near Guánica in Puerto Rico


Earthquake location 17.8826S, -66.8636WA minor earthquake magnitude 3.15 (ml/mb) has struck on Saturday, 10 kilometers (6 miles) from Guánica in Puerto Rico. Unique identifier: pr2020207004. Ids that are associated to the event: pr2020207004. The temblor was picked up at 15:29:56 / 3:29 pm (local time epicenter). Exact location of earthquake, longitude -66.8636 West, latitude 17.8826 North, depth = 14 km. Exact time and date of earthquake 25/07/20 / 2020-07-25 15:29:56 / July 25, 2020 @ 3:29 pm UTC/GMT. The earthquake occurred at a depth of 14 km (9 miles) below the earth’s surface.

Country/countries that might be effected, Puerto Rico (c. 3 917 000 pop). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Naranjito, Vega Baja, Guayama. Earthquake epicenter was 30 km (19 miles) from Ponce (c. 152 600 pop), 46 km (29 miles) from Mayagüez (c. 78 600 pop), 67 km (42 miles) from Arecibo (c. 49 300 pop), 80 km (50 miles) from Vega Baja (c. 29 300 pop), 72 km (45 miles) from Barceloneta (c. 22 300 pop).

Earthquakes 2.5 to 3.2 are often felt, but only causes minor damage. In the past 24 hours, there have been six, in the last 10 days twenty-five, in the past 30 days two hundred and fourty and in the last 365 days two thousand, four hundred and sixty-six earthquakes of magnitude 3.0 or greater that have been detected in the same area. There are an estimated 130,000 minor quakes in the world each year.

Did you feel anything?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 10 km SSE of Guánica, Puerto Rico. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 3.15 mb The magnitude for the event.
Longitude -66.8636° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 17.8826° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 14 km Depth of the event in kilometers.
Place 10 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 2020-07-25 15:29:56 Time when the event occurred. UTC/GMT
Updated 2020-07-25 15:52:01 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 153 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 20 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.0938 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.16 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 241 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 pr2020207004 Id of event.
Event Code 2020207004 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2020207004, A comma-separated list of event ids that are associated to an event.

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