Note: This VAL system was replaced in September 2023. The updated VAL system can be found here.
Agency: Servicio Geológico Colombiano (SGC)
Name: Niveles Actividad Volcanes [Volcano Activity Levels]

Elements of VAL system
| Domain | Terrestrial |
| Volcano | All |
| System range | 4-level scale |
| Lowest level | 1 |
| Highest level | 4 |
| Level name type | Number |
| Level for lack/loss of monitoring | No |
| Color-coded | Yes |
| Volcanic activity | Yes |
| Hazards possible | No |
| Locations affected | Yes |
| Potential impacts | Yes |
| Forecast language | Yes |
| Timing language | Yes |
| 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 |
Related References
García, C., & Mendez-Fajury, R. (2017). If I understand, i am understood: Experiences of volcanic risk communication in Colombia. In: Fearnley, C.J., Bird, D.K., Haynes, K., McGuire, W.J., Jolly, G. (eds) Observing the Volcano World. Advances in Volcanology. (pp. 335-351). Cham: Springer International Publishing. https://doi.org/10.1007/11157_2016_46
Servicio Geológico Colombia (SGC). (2023). Colombia cambia su esquema de medición de la actividad volcánica. Noticias. https://www2.sgc.gov.co/Noticias/Paginas/Colombia-cambia-su-esquema-de-medicion-de-la-actividad-volcanica.aspx
Servicio Geológico Colombia (SGC). (2023). Colombia cambia su esquema de medición de la actividad volcánica. Hoja Informativa. https://srvags.sgc.gov.co/PortalWeb/Comunicaciones/Esquema-de-medicion-de-actividad-volcanica-en-Colombia-SGC-Actualizacion-Mayo2024.pdf