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Light earthquake, 4.3 mag has occurred near San Antonio de los Cobres in Argentina

Posted by admin on December 13, 2025 0 Comments

Earthquake location -23.9367S, -66.7449WA light earthquake with magnitude 4.3 (ml/mb) was reported 53 km NW of San Antonio de los Cobres, Argentina (33 miles) on Saturday. The epicenter of the earthquake was roughly 206.38 km (128 miles) below the earth’s surface. Exact location of event, longitude -66.7449 West, latitude -23.9367 South, depth = 206.38 km. The 4.3-magnitude earthquake has occurred at 14:44:27 / 2:44 pm (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Event id: us6000runt. Ids that are associated to the earthquake: us6000runt. Global time and date of event 13/12/25 / 2025-12-13 14:44:27 / December 13, 2025 @ 2:44 pm UTC/GMT.

In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days ten and in the last 365 days one hundred and ten earthquakes of magnitude 3.0 or greater that have been detected nearby. Each year there are an estimated 13,000 light earthquakes in the world. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

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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. 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: 53 km NW of San Antonio de los Cobres, Argentina.

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More information

Parameter Value Description
Magnitude 4.3 mb The magnitude for the event.
Longitude -66.7449° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -23.9367° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 206.38 km Depth of the event in kilometers.
Place 53 km NW of San Antonio de los Cobres, Argentina Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2025-12-13 14:44:27 Time when the event occurred. UTC/GMT
Updated 2025-12-13 15:17:45 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 284 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 21 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 1.642 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.99 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 79 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type mb The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID us6000runt Id of event.
Event Code 6000runt An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000runt, A comma-separated list of event ids that are associated to an event.

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