Magnitude 4.5 earthquake strikes 53 km N of Arauco, Argentina
A magnitude 4.5 earthquake occurred 53 km north of Arauco, Argentina, on Sunday, July 26, 2026, at 17:29:13 GMT. With a USGS significance score of 312 out of 1000, this event registered as a moderately impactful earthquake, falling within the range of events that *could potentially* cause localized effects, such as very light damage or noticeable shaking, especially close to the epicenter. The earthquake's depth was recorded at 157.114 km, located at coordinates -28.0972, -66.7262.
No felt reports have been submitted to the USGS regarding this earthquake. This is not uncommon in regions where there is low public engagement with the USGS earthquake reporting system, meaning there is no data to indicate whether the tremor was felt by people in the area.