Agency: Instituto Nazionale di Geofisica e Vulcanologia (INGV)
Name: Volcano aviation colour codes
Note: this system is modified from the standard ICAO aviation VAL system.
The terrestrial VAL systems vary by volcano and are listed at the bottom of this page.
Elements of VAL system
| Domain | Aviation |
| Volcano | All |
| System range | 4-level scale |
| Lowest level | 1 |
| Highest level | 4 |
| Level name type | Color |
| Level for lack/loss of monitoring | No |
| Volcanic activity | Yes |
| Hazards possible | No |
| Locations affected | No |
| Potential impacts | No |
| Forecast language | No |
| Timing language | No |
| Actions to take | No |
| Agency actions | No |
| Link to evacuations | No |
| Reporting frequency per level | No |
| Link to monitoring thresholds | No |
| Step-up and step-down language | No |
Other Italian VAL systems can be found below:
VAL sources and links
The images below are static examples of VAL information pages and DO NOT represent current alert levels. While we strive to maintain the links below, they may not always work. For the current alert level, please consult the proper institutional authorities.
VONA Dashboard (Campi Flegrei and Vesuvius)
VONA Dashboard (Etna and Stromboli)
VONAs
