A light earthquake with magnitude 4.5 (ml/mb) was detected on Tuesday, 49 kilometers (30 miles) from Calama in Chile. Exact location, longitude -69.1826° West, latitude -22.8374° South, depth = 83.721 km. Event id: us6000rccs. Ids that are associated to the earthquake: us6000rccs. Global time and date of event 23/09/25 / 2025-09-23 16:31:01 / September 23, 2025 @ 4:31 pm UTC/GMT. The 4.5-magnitude earthquake was detected at 16:31:01 / 4:31 pm (local time epicenter). 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 83.721 km (52 miles) below the earth’s surface.
Epicenter of the event was 50 km (31 miles) from Calama (c. 143 100 pop). Closest city/cities/towns to epicentrum/hypocenter was Calama (min 5000 pop). Country/countries that might be effected, Chile (c. 16 746 000 pop).
Every 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. In the past 24 hours, there have been one, in the last 10 days two, in the past 30 days three and in the last 365 days fifty-three earthquakes of magnitude 3.0 or greater that was reported nearby.
How would you describe the shaking?
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: 49 km SSW of Calama, Chile.
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