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Minor earthquake, 3.1 mag was detected near Guánica in Puerto Rico


Earthquake location 17.8705S, -66.9292WA minor earthquake magnitude 3.1 (ml/mb) strikes 11 kilometers (7 miles) from Guánica in Puerto Rico on Saturday. Event ids that are associated to the earthquake: us7000ahzj. Id of event: us7000ahzj. Exact location, longitude -66.9292° West, latitude 17.8705° North, depth = 10 km. The temblor was detected at 17:02:14 / 5:02 pm (local time epicenter). Global date and time of event UTC/GMT: 04/07/20 / 2020-07-04 17:02:14 / July 4, 2020 @ 5:02 pm. The epicenter of the earthquake was roughly 10 km (6 miles) below the earth’s surface.

Closest city/cities/towns to epicentrum/hypocenter was Manatí, Barceloneta, Aibonito (min 5000 pop). Earthquake epicenter was 37 km (23 miles) from Ponce (c. 152 600 pop), 43 km (27 miles) from Mayagüez (c. 78 600 pop), 71 km (44 miles) from Arecibo (c. 49 300 pop), 77 km (48 miles) from Barceloneta (c. 22 300 pop), 20 km (13 miles) from Yauco (c. 20 300 pop). Nearby country/countries that might be effected, Puerto Rico (c. 3 917 000 pop).

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

Did you feel the quake?

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: 11 km SSW of Guánica, Puerto Rico.

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More information

Parameter Value Description
Magnitude 3.1 mb The magnitude for the event.
Longitude -66.9292° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 17.8705° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 11 km SSW 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 2020-07-04 17:02:14 Time when the event occurred. UTC/GMT
Updated 2020-07-05 01:48:35 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 148 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 0.147 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.68 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 199 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 us7000ahzj Id of event.
Event Code 7000ahzj An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us7000ahzj, A comma-separated list of event ids that are associated to an event.

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