| Magnitude | 4.0 |
| Region | LA RIOJA, ARGENTINA |
| Date time | 2026-05-04 09:06:21.0 UTC |
| Location | -29.510 ; -68.140 |
| Depth | 10 km |
| Distance | 125 km WSW of La Rioja, Argentina / pop: 162,000 / local time: 06:06:21.0 2026-05-04 73 km SW of Chilecito, Argentina / pop: 42,200 / local time: 06:06:21.0 2026-05-04 |
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)EMSC -- Arpajon, France (SC4)
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)