Seismic Activity in Argentina
Over the past 30 days, there have been 2 recorded earthquakes in this region. The largest recent earthquake was a magnitude 4.3 event near 31 km ESE of Puente Alto, Chile.

Over the past 30 days, Argentina has recorded 2 earthquakes of magnitude 2.5 or greater in our tracker. 2 landed between M4.0 and M4.9. By depth: 2 intermediate (70–300 km). Focal depths ranged from 107.2 km to 157.0 km. All 2 solutions have been reviewed by a USGS seismologist.
Each row in the table below includes a narrative summary of the event, ordered by time. Use the column headers to sort or filter by magnitude.
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2026-10-12 2026-10-12 10:29:00 UTC | 4.3mb | 31 km ESE of Puente Alto, Chile -33.703°, -70.259° | 107.2 km | - | - | - | ✓ Reviewed | USGS → |
On October 12, 2026 at 10:29 UTC, a magnitude 4.3 earthquake struck 31 km ESE of Puente Alto, Chile. It is the largest earthquake currently listed for Argentina over the past 30 days. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-24 2026-09-24 23:19:34 UTC | 4.0mb | 45 km WNW of El Huecú, Argentina -37.471°, -71.049° | 157.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.0 earthquake was recorded 45 km WNW of El Huecú, Argentina on September 24, 2026 at 23:19 UTC. See the M4.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
31 km ESE of Puente Alto, Chile
2026-10-12
19 km ENE of Cañete, Chile
2026-05-10
Data from USGS Earthquake Hazards Program. Updated every 5 minutes.
Argentina experiences earthquakes primarily in its western Andean regions where the Nazca Plate subducts beneath South America. Mendoza is particularly vulnerable.
In 2026, Argentina has recorded 47 earthquakes of magnitude 2.5 or greater so far. The largest earthquake in Argentina in 2026 was a magnitude 5.5 event near Cañete, Chile.
Over the past 30 days, there have been 2 recorded earthquakes in this region. The largest recent earthquake was a magnitude 4.3 event near 31 km ESE of Puente Alto, Chile.
In the past 30 days, 2 earthquakes have been recorded in the Argentina region.
The largest recent earthquake in the Argentina area was a magnitude 4.3 event that occurred 31 km ESE of Puente Alto, Chile.
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