Moderate mag. 4.2 earthquake - Departamento de Famatina, 26 km northwest of Chilecito, Departamento de Chilecito, La Rioja Province, Argentina, on Sunday, Jan 4, 2026, at 07:29 pm (La Rioja time)

https://www.volcanodiscovery.com/earthquakes/quake-info/22575240/mag4quake-Jan-4-2026-LA-Rioja-Argentina.html