| Magnitude | 3.1 |
| Region | LA RIOJA, ARGENTINA |
| Date time | 2026-05-21 06:17:17.0 UTC |
| Location | -31.250 ; -66.730 |
| Depth | 10 km |
| Distance | 174 km ENE of San Juan, Argentina / pop: 447,000 / local time: 03:17:17.0 2026-05-21 107 km S of Chamical, Argentina / pop: 13,300 / local time: 03:17:17.0 2026-05-21 |
Source parameters provided by:
Instituto Nacional de Prevencion Sismica (INPRES) -- Buenos Aires, Argentina (NSNA)
All data providers for this event:
Instituto Nacional de Prevencion Sismica (INPRES) -- Buenos Aires, Argentina (NSNA)Further information can be found at:
GeoForschungsZentrum (GFZ) -- Potsdam, Germany (GFZ)Departamento de Geofisica, Universidad de Chile -- Santiago, Chile (CSN)
National Earthquake Information Center, U.S. Geological Survey -- Golden, United States (NEIC)
Instituto Nacional de Prevencion Sismica (INPRES) -- Buenos Aires, Argentina (NSNA)