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Light earthquake, 4.1 mag was detected near San Pedro de Atacama in Chile

Posted by admin on October 29, 2025 0 Comments

Earthquake location -23.0661S, -68.4309WA light earthquake magnitude 4.1 (ml/mb) strikes 29 kilometers (18 miles) from San Pedro de Atacama in Chile on Tuesday. Exact location of earthquake, -68.4309° West, -23.0661° South, depth 105.966 km. The 4.1-magnitude earthquake has occurred at 12:17:42 / 12:17 pm (local time epicenter). Exact time and date of earthquake 28/10/25 / 2025-10-28 12:17:42 / October 28, 2025 @ 12:17 pm UTC/GMT. All ids that are associated to the event: us6000rjwn. Unique identifier: us6000rjwn. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The earthquake occurred at a depth of 105.966 km (66 miles).

Nearby country/countries that might be effected, Chile (c. 16 746 000 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Calama. The epicenter was 85 km (53 miles) from Calama (c. 143 100 pop).

There are an estimated 13,000 light quakes in the world each year. In the past 24 hours, there have been two, in the last 10 days two, in the past 30 days three and in the last 365 days sixty-two 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.

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. 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: 29 km SW of San Pedro de Atacama, Chile.

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More information

Parameter Value Description
Magnitude 4.1 mb The magnitude for the event.
Longitude -68.4309° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -23.0661° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 105.966 km Depth of the event in kilometers.
Place 29 km SW of San Pedro de Atacama, Chile Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2025-10-28 12:17:42 Time when the event occurred. UTC/GMT
Updated 2025-10-29 12:12:26 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 18 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.259 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.51 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 77 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 us6000rjwn Id of event.
Event Code 6000rjwn An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000rjwn, A comma-separated list of event ids that are associated to an event.

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