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Minor earthquake, 3.1 mag strikes near Guanica in Puerto Rico


Earthquake location 17.8221S, -66.8863WA minor earthquake with magnitude 3.1 (ml/mb) was detected on Monday, 16 kilometers (10 miles) from Guanica in Puerto Rico. The earthquake was roughly at a depth of 11 km (7 miles). Exact time and date of event in UTC/GMT: 10/03/20 / 2020-03-10 02:19:23 / March 10, 2020 @ 2:19 am. Unique identifier: pr2020070004. Ids that are associated to the event: pr2020070004. The temblor was detected at 22:19:23 / 10:19 pm (local time epicenter). Exact location of earthquake, longitude -66.8863 West, latitude 17.8221 North, depth = 11 km.

Closest city/cities/towns to epicentrum/hypocenter was Manatí, Barceloneta, Isabela (min 5000 pop). Event epicenter was 36 km (22 miles) from Ponce (c. 152 600 pop), 50 km (31 miles) from Mayagüez (c. 78 600 pop), 75 km (46 miles) from Arecibo (c. 49 300 pop), 79 km (49 miles) from Barceloneta (c. 22 300 pop), 24 km (15 miles) from Yauco (c. 20 300 pop). Close country/countries, Puerto Rico (c. 3 917 000 pop) (That might be effected).

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

Did you feel the quake?

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: 16 km S of Guanica, Puerto Rico.

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More information

Parameter Value Description
Magnitude 3.1 mb The magnitude for the event.
Longitude -66.8863° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 17.8221° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 11 km Depth of the event in kilometers.
Place 16km S 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 2020-03-10 02:19:23 Time when the event occurred. UTC/GMT
Updated 2020-03-10 03:06:10 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 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 7 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.1532 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.11 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 261 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 pr2020070004 Id of event.
Event Code 2020070004 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2020070004, A comma-separated list of event ids that are associated to an event.

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