| Magnitude | 1.6 | 
| Region | CROATIA | 
| Date time | 2025-08-21 21:23:21.3 UTC | 
| Location | 45.341 ; 14.577 | 
| Depth | 9 km | 
| Distance | 71 km ESE of  Trieste, Italy / pop: 187,000 / local time: 23:23:21.3 2025-08-21 11 km ENE of Rijeka, Croatia / pop: 141,000 / local time: 23:23:21.3 2025-08-21  | 
Source parameters provided by:
Croatian Seismological Survey, University of Zagreb -- Zagreb, Croatia (CSS)
All data providers for this event:
Slovenian Environment Agency, Seismology Office -- Ljubljana, Slovenia (ARSO)Croatian Seismological Survey, University of Zagreb -- Zagreb, Croatia (CSS)
Further information can be found at:
Reseau National de Surveillance Sismique -- Strasbourg, France (ReNaSS)Slovenian Environment Agency, Seismology Office -- Ljubljana, Slovenia (ARSO)
Croatian Seismological Survey, University of Zagreb -- Zagreb, Croatia (CSS)