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Light earthquake, 4 mag strikes near Calama in Chile

Posted by admin on December 16, 2025 0 Comments

Earthquake location -22.0052S, -68.505WA light earthquake magnitude 4 (ml/mb) strikes 66 kilometers (41 miles) from Calama in Chile on Tuesday. Exact location of event, longitude -68.505 West, latitude -22.0052 South, depth = 117.547 km. The epicenter of the earthquake was roughly 117.547 km (73 miles) below the earth’s surface. Id of earthquake: us6000rv6n. Event ids that are associated: us6000rv6n. Global time and date of event 16/12/25 / 2025-12-16 02:11:49 / December 16, 2025 @ 2:11 am UTC/GMT. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The temblor was reported at 02:11:49 / 2:11 am (local time epicenter).

Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Calama. Earthquake epicenter was 67 km (41 miles) from Calama (c. 143 100 pop). Nearby country/countries that might be effected, Chile (c. 16 746 000 pop).

In the past 24 hours, there have been one, in the last 10 days two, in the past 30 days nine and in the last 365 days one hundred and twenty-two earthquakes of magnitude 3.0 or greater that has struck near. 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.

Did you feel anything?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity 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: 66 km NE of Calama, Chile.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude -68.505° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -22.0052° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 117.547 km Depth of the event in kilometers.
Place 66 km NE of Calama, Chile Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2025-12-16 02:11:49 Time when the event occurred. UTC/GMT
Updated 2025-12-16 03:17:48 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 246 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 0.715 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.64 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 85 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 us6000rv6n Id of event.
Event Code 6000rv6n An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000rv6n, A comma-separated list of event ids that are associated to an event.

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