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Light earthquake, 4.4 mag has occurred near San Antonio de los Cobres in Argentina

Posted by admin on December 29, 2025 0 Comments

Earthquake location -24.0053S, -66.8245WA light earthquake with magnitude 4.4 (ml/mb) was reported 56 km WNW of San Antonio de los Cobres, Argentina (35 miles) on Monday. The temblor was detected at 04:49:28 / 4:49 am (local time epicenter). Exact time and date of earthquake 29/12/25 / 2025-12-29 04:49:28 / December 29, 2025 @ 4:49 am UTC/GMT. Exact location of earthquake, longitude -66.8245 West, latitude -24.0053 South, depth = 222.054 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Id of earthquake: us7000rlb2. Event ids that are associated: us7000rlb2. The epicenter of the earthquake was roughly 222.054 km (138 miles) below the earth’s surface.

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

Did you feel it?

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 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: 56 km WNW of San Antonio de los Cobres, Argentina.

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More information

Parameter Value Description
Magnitude 4.4 mb The magnitude for the event.
Longitude -66.8245° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -24.0053° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 222.054 km Depth of the event in kilometers.
Place 56 km WNW 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 2025-12-29 04:49:28 Time when the event occurred. UTC/GMT
Updated 2025-12-29 04:55:54 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 298 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 19 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 1.627 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.27 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 143 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 us7000rlb2 Id of event.
Event Code 7000rlb2 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us7000rlb2, A comma-separated list of event ids that are associated to an event.

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