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Light earthquake: M4.1 quake has struck near San Antonio de los Cobres in Argentina

Posted by admin on October 22, 2025 0 Comments

Earthquake location -24.2882S, -67.3722WA light earthquake magnitude 4.1 (ml/mb) has struck on Wednesday, 107 km W of San Antonio de los Cobres, Argentina (66 miles). The epicenter of the earthquake was roughly 166.021 km (103 miles) below the earth’s surface. Id of earthquake: us6000rimt. Event ids that are associated: us6000rimt. Exact location, longitude -67.3722° West, latitude -24.2882° South, depth = 166.021 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Date and time of earthquake in UTC/GMT: 22/10/25 / 2025-10-22 09:36:07 / October 22, 2025 @ 9:36 am. The 4.1-magnitude earthquake has occurred at 09:36:07 / 9:36 am (local time epicenter).

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

Did you feel the quake?

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. 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: 107 km W of San Antonio de los Cobres, Argentina.

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More information

Parameter Value Description
Magnitude 4.1 mb The magnitude for the event.
Longitude -67.3722° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -24.2882° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 166.021 km Depth of the event in kilometers.
Place 107 km W 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 2025-10-22 09:36:07 Time when the event occurred. UTC/GMT
Updated 2025-10-22 09:50:40 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 259 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 27 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 1.522 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.11 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 90 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 us6000rimt Id of event.
Event Code 6000rimt An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000rimt, A comma-separated list of event ids that are associated to an event.

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