Earthquakes in Argentina — April 2025

9 earthquakes were recorded in Argentina during April 2025, an average of 0.3 per day.

9 reached magnitude 4 or above and 0 reached magnitude 5 or above. The average focal depth was 197 km.

The month's largest event in Argentina was a magnitude 4.8 earthquake near San Rafael, Argentina on 27 April 2025 at 11:36 UTC. A magnitude 4.8 earthquake radiates roughly 239 tons of TNT equivalent in seismic energy.

That is below the Argentina monthly average of 18 events over the period we cover — a comparatively quiet month, and down from the 13 recorded the previous month.

11% of events here are shallow (under 70 km), 78% intermediate (70–300 km) and 11% deep-focus (over 300 km). That proportion of deep-focus events is the signature of a subduction zone: only a cold slab descending into the mantle stays brittle enough to rupture at those depths.

By band, the catalogue holds 9 in the magnitude 4 range.

Activity peaked on 27 April, when 2 events were recorded.

The month's largest events were M4.8 near San Rafael, Argentina on 27 April at 10 km; M4.7 near Las Ovejas, Argentina on 18 April at 125 km; M4.4 near El Aguilar, Argentina on 09 April at 197 km.

That is 50% below the 18 events Argentina averages per month across the 21 months on record.