| Magnitude | 3.9 |
| Region | LA RIOJA, ARGENTINA |
| Date time | 2026-09-17 23:28:47.0 UTC |
| Location | -28.760 ; -68.110 |
| Depth | 109 km |
| Distance | 142 km WNW of La Rioja, Argentina / pop: 162,000 / local time: 20:28:47.0 2026-09-17 9 km E of Vinchina, Argentina / pop: 2,800 / local time: 20:28:47.0 2026-09-17 |
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)National Earthquake Information Center, U.S. Geological Survey -- Golden, United States (NEIC)
Instituto Nacional de Prevencion Sismica (INPRES) -- Buenos Aires, Argentina (NSNA)
Departamento de Geofisica, Universidad de Chile -- Santiago, Chile (CSN)