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Minor earthquake 3 mag, 8 km SSE of Guanica, Puerto Rico


Earthquake location 17.9035S, -66.8635WA minor earthquake magnitude 3 (ml/mb) has occurred on Friday, 8 kilometers (5 miles) from Guanica in Puerto Rico. Exact time and date of earthquake 17/04/20 / 2020-04-17 18:56:54 / April 17, 2020 @ 6:56 pm UTC/GMT. The earthquake occurred at a depth of 13 km (8 miles) below the earth’s surface. Exact location of earthquake, -66.8635° West, 17.9035° North, depth 13 km. Id of earthquake: pr2020108020. Event ids that are associated: pr2020108020. The temblor was picked up at 14:56:54 / 2:56 pm (local time epicenter).

Close country/countries that might be effected, Puerto Rico (c. 3 917 000 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Naranjito, Vega Baja, Cayey. Event epicenter was 29 km (18 miles) from Ponce (c. 152 600 pop), 44 km (27 miles) from Mayagüez (c. 78 600 pop), 65 km (40 miles) from Arecibo (c. 49 300 pop), 78 km (49 miles) from Vega Baja (c. 29 300 pop), 70 km (43 miles) from Barceloneta (c. 22 300 pop).

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

Did you feel it?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity and damage 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: 8 km SSE of Guanica, Puerto Rico.

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More information

Parameter Value Description
Magnitude 3 mb The magnitude for the event.
Longitude -66.8635° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 17.9035° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 13 km Depth of the event in kilometers.
Place 8km SSE of Guanica, 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 2020-04-17 18:56:54 Time when the event occurred. UTC/GMT
Updated 2020-04-17 19:23:34 Time when the event was most recently updated. UTC/GMT
Timezone offset -240 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 138 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 19 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.0733 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.15 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 224 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 pr2020108020 Id of event.
Event Code 2020108020 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2020108020, A comma-separated list of event ids that are associated to an event.

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