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Minor earthquake, 3.11 mag strikes near Magas Arriba in Puerto Rico


Earthquake location 17.990333333333S, -66.773333333333WA minor earthquake with magnitude 3.11 (ml/mb) was detected on Saturday, 3 kilometers (2 miles) from Magas Arriba in Puerto Rico. Global date and time of event UTC/GMT: 21/12/24 / 2024-12-21 18:23:28 / December 21, 2024 @ 6:23 pm. The 3.11-magnitude earthquake has occurred at 18:23:28 / 6:23 pm (local time epicenter). Exact location of event, longitude -66.773333333333 West, latitude 17.990333333333 North, depth = 13.3 km. Id of earthquake: pr71469058. Event ids that are associated: pr71469058. The earthquake occurred at a depth of 13.3 km (8 miles).

Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Patillas, Bayamón, Sabana Seca. Nearby country/countries, Puerto Rico (c. 3 917 000 pop) (That might be effected). Event epicenter was 79 km (49 miles) from Bayamón (c. 203 500 pop), 17 km (11 miles) from Ponce (c. 152 600 pop), 45 km (28 miles) from Mayagüez (c. 78 600 pop), 54 km (34 miles) from Arecibo (c. 49 300 pop), 65 km (40 miles) from Vega Baja (c. 29 300 pop).

Each year there are an estimated 130,000 minor quakes in the world. In the past 24 hours, there have been one, in the last 10 days seven, in the past 30 days twenty-nine and in the last 365 days two hundred and fourty-six 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.

Did you feel the quake?

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. 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: 3 km S of Magas Arriba, Puerto Rico.

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More information

Parameter Value Description
Magnitude 3.11 mb The magnitude for the event.
Longitude -66.773333333333° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 17.990333333333° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 13.3 km Depth of the event in kilometers.
Place 3 km S of Magas Arriba, 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 2024-12-21 18:23:28 Time when the event occurred. UTC/GMT
Updated 2024-12-21 18:42:13 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 149 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 0.03421 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.21 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 146 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 pr71469058 Id of event.
Event Code 71469058 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr71469058, A comma-separated list of event ids that are associated to an event.

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