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Light earthquake, 4.6 mag has occurred near San Antonio de los Cobres in Argentina

Posted by admin on November 21, 2025 0 Comments

Earthquake location -24.0367S, -66.7251WA light earthquake with magnitude 4.6 (ml/mb) was reported 45 km WNW of San Antonio de los Cobres, Argentina (28 miles) on Friday. The temblor was detected at 00:42:38 / 12:42 am (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Global time and date of event 21/11/25 / 2025-11-21 00:42:38 / November 21, 2025 @ 12:42 am UTC/GMT. The earthquake occurred at a depth of 198.88 km (124 miles) below the earth’s surface. Exact location of earthquake, -66.7251° West, -24.0367° South, depth 198.88 km. All ids that are associated to the event: us6000rph4. Unique identifier: us6000rph4.

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

Questions or comments?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city 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: 45 km WNW of San Antonio de los Cobres, Argentina.

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More information

Parameter Value Description
Magnitude 4.6 mb The magnitude for the event.
Longitude -66.7251° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -24.0367° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 198.88 km Depth of the event in kilometers.
Place 45 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 2025-11-21 00:42:38 Time when the event occurred. UTC/GMT
Updated 2025-11-21 01:06:55 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 326 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 64 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 1.717 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.92 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 43 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type mww The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID us6000rph4 Id of event.
Event Code 6000rph4 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000rph4, A comma-separated list of event ids that are associated to an event.

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