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Minor earthquake: M2.99 quake has struck near Guanica in Puerto Rico


Earthquake location 17.8405S, -66.856WA minor earthquake with magnitude 2.99 (ml/mb) was reported 15 kilometers (9 miles) from Guanica in Puerto Rico on Monday. Exact location of earthquake, longitude -66.856 West, latitude 17.8405 North, depth = 7 km. The temblor was picked up at 23:09:20 / 11:09 pm (local time epicenter). Event ids that are associated to the earthquake: pr2020035006. Id of event: pr2020035006. The epicenter of the earthquake was roughly 7 km (4 miles) below the earth’s surface. Exact time and date of event in UTC/GMT: 04/02/20 / 2020-02-04 03:09:20 / February 4, 2020 @ 3:09 am.

The epicenter was 32 km (20 miles) from Ponce (c. 152 600 pop), 50 km (31 miles) from Mayagüez (c. 78 600 pop), 72 km (45 miles) from Arecibo (c. 49 300 pop), 76 km (47 miles) from Barceloneta (c. 22 300 pop), 22 km (13 miles) from Yauco (c. 20 300 pop). 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 Comerío, Manatí, Barceloneta.

Each year there are an estimated 130,000 minor earthquakes 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 sixteen, in the last 10 days one hundred and eighty-six, in the past 30 days nine hundred and eighty-one and in the last 365 days one thousand and eighty-three earthquakes of magnitude 3.0 or greater that was reported nearby.

Questions or comments?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. 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 2.99 mb The magnitude for the event.
Longitude -66.856° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 17.8405° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 7 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 2020-02-04 03:09:20 Time when the event occurred. UTC/GMT
Updated 2020-02-04 03:29:29 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 12 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.1366 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.07 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 237 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 pr2020035006 Id of event.
Event Code 2020035006 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2020035006, A comma-separated list of event ids that are associated to an event.

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