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Minor earthquake, 3.1 mag has occurred near Guanica in Puerto Rico


Earthquake location 17.8398S, -66.8494WA minor earthquake with magnitude 3.1 (ml/mb) was detected on Monday, 15 kilometers (9 miles) from Guanica in Puerto Rico. The temblor was reported at 19:50:05 / 7:50 pm (local time epicenter). Exact location of earthquake, -66.8494° West, 17.8398° North, depth 15.54 km. The earthquake was roughly at a depth of 15.54 km (10 miles). Exact time and date of earthquake 20/01/20 / 2020-01-20 23:50:05 / January 20, 2020 @ 11:50 pm UTC/GMT. Unique identifier: us60007bqw. Ids that are associated to the event: us60007bqw.

Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Guayama, Corozal, Cayey. Epicenter of the event was 31 km (19 miles) from Ponce (c. 152 600 pop), 51 km (31 miles) from Mayagüez (c. 78 600 pop), 72 km (45 miles) from Arecibo (c. 49 300 pop), 75 km (47 miles) from Barceloneta (c. 22 300 pop), 79 km (49 miles) from Guayama (c. 21 600 pop). Nearby country/countries, Puerto Rico (c. 3 917 000 pop) (That might be effected).

In the past 24 hours, there have been thirty-four, in the last 10 days three hundred and eighty-nine, in the past 30 days six hundred and fifty-two and in the last 365 days six hundred and ninety-two earthquakes of magnitude 3.0 or greater that was reported nearby. Earthquakes 2.5 to 3.2 are often felt, but only causes minor damage. There are an estimated 130,000 minor earthquakes in the world each year.

Questions or comments?

Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home and country. This information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 15 km SSE of Guanica, Puerto Rico.

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More information

Parameter Value Description
Magnitude 3.1 mb The magnitude for the event.
Longitude -66.8494° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 17.8398° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 15.54 km Depth of the event in kilometers.
Place 15km 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 2020-01-20 23:50:05 Time when the event occurred. UTC/GMT
Updated 2020-01-21 01:24:16 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 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 0.188 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.41 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 215 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 us60007bqw Id of event.
Event Code 60007bqw An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us60007bqw, A comma-separated list of event ids that are associated to an event.

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