Magnitude
M3.6
- Depth
- 10.0 km
- Source
- EMSC
La Rioja · Alto del Bumbón
Country overviewLa Rioja · Alto del Bumbón
Country overviewOn May 23, 2026 at 17:53 UTC, a magnitude M3.6 earthquake occurred near Alto del Bumbón, La Rioja (Argentina). The hypocenter lay relatively close to the surface at around 10 km, increasing how strongly it was felt. Earthquakes of this magnitude are often felt but rarely cause damage.
The event was recorded by EMSC. Argentina: 9 earthquakes were recorded in the past 24 hours, the strongest reaching M5.1.
Shallow quakes release energy near the surface — shaking is felt more strongly and damage potential is higher.
Depth classes per USGS