Agency: Department of Mineral Policy and Geohazards Management, Geohazards Management Division (DMPGM)
Name: Alert stage system – Closed System Volcano
The VAL scheme for open-system volcanoes can be found here.
Elements of VAL system
| Domain | Terrestrial or All |
| Volcano | Closed-system volcanoes |
| Scheme range | 4-level scale |
| Lowest level | 1 |
| Highest level | 4 |
| Level name type | Number |
| Level for lack/loss of monitoring | No |
| Volcanic activity | Yes |
| Hazards possible | Yes |
| Locations affected | No |
| Potential impacts | No |
| Forecast language | Yes |
| Timing language | No |
| Actions to take | No |
| Agency actions | Yes |
| Link to evacuations | Yes |
| Reporting frequency per level | No |
| Link to monitoring thresholds | No |
| Step-up and step-down language | No |
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.
VAL Map (currently broken)
Social Media Reports
Related References
McKee, C., Itikarai, I., & Davies, H. (2017). Instrumental volcano surveillance and community awareness in the lead-up to the 1994 eruptions at Rabaul, Papua New Guinea. In: Fearnley, C.J., Bird, D.K., Haynes, K., McGuire, W.J., Jolly, G. (eds) Observing the Volcano World. Advances in Volcanology. (pp. 205-233). Cham: Springer International Publishing. https://doi.org/10.1007/11157_2017_4