| Magnitude | 1.7 | 
| Region | CROATIA | 
| Date time | 2025-08-21 18:03:37.7 UTC | 
| Location | 45.308 ; 14.565 | 
| Depth | 9 km | 
| Distance | 72 km ESE of  Trieste, Italy / pop: 187,000 / local time: 20:03:37.7 2025-08-21 10 km E of Rijeka, Croatia / pop: 141,000 / local time: 20:03:37.7 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)Istituto Nazionale di Oceanografia e Geofisica Sperimentale - OGS -- Trieste, Italy (OGS)
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)