Moderate M 5.1 Earthquake Strikes Near Calingasta, Argentina

What Happened

A moderate earthquake with a magnitude of 5.1 mb was recorded on March 12, 2026, at 06:10:17 UTC (03:10:17 local time). The seismic event was centered 16 km southwest of Calingasta, Argentina, and occurred at a depth of 111.8 km.

Location Details

The earthquake’s epicenter was located at coordinates 31.4461°S and 69.5425°W, approximately 16 km from Calingasta. The event originated at a depth of 111.8 km. According to geological standards, earthquakes at this depth (greater than 70 km) are classified as deep. Deep earthquakes typically result in less intense shaking at the surface compared to shallow events of the same magnitude.

Impact Assessment

As of the latest data, the USGS has received 3 felt reports from the region, with a Community Decimal Intensity (CDI) of 3.2. There is no tsunami advisory, watch, or warning in effect for this event. No specific alert level color was assigned in the initial source data.

What You Should Know

A magnitude 5.1 earthquake is considered a “moderate earthquake,” which can cause damage to poorly constructed buildings, though its significant depth may mitigate the impact on the surface. Residents in the area should remain aware of the possibility of aftershocks. In the event of further shaking, remember to drop, cover, and hold on.

Source

Information provided by the USGS Earthquake Hazards Program.