Agency: Centro Nacional de Prevención de Desastres (CENAPRED)
Name: Semáforo de Alerta Volcánica Volcan Popocatépetl [Volcanic Alert Traffic Light Popocatépetl Volcano]
Elements of VAL system
| Domain | Terrestrial or All |
| Volcano | Popocatépetl |
| Scheme range | 7-level scale |
| Lowest level | 1 |
| Highest level | 7 |
| Level name type | Color, Number, & Word |
| Level for lack/loss of monitoring | No |
| Volcanic activity | Yes |
| Hazards possible | Yes |
| Locations affected | Yes |
| Potential impacts | Yes |
| Forecast language | No |
| Timing language | No |
| Actions to take | Yes |
| Agency actions | No |
| Link to evacuations | Yes |
| Reporting frequency per level | No |
| Link to monitoring thresholds | No |
| Step-up and step-down language | No |
Other Mexican VAL schemes 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.
Reports
Reports
Social Media
Related References
De la Cruz-Reyna, S., & Tilling, R. I. (2008). Scientific and public responses to the ongoing volcanic crisis at Popocatépetl Volcano, Mexico: importance of an effective hazards-warning system. Journal of Volcanology and Geothermal Research, 170(1-2), 121-134. https://doi.org/10.1016/j.jvolgeores.2007.09.002
De la Cruz-Reyna, S., Tilling, R. I., & Valdés-González, C. (2017). Challenges in responding to a sustained, continuing volcanic crisis: the case of Popocatepétl volcano, Mexico, 1994-present. In: Fearnley, C.J., Bird, D.K., Haynes, K., McGuire, W.J., Jolly, G. (eds) Observing the Volcano World. Advances in Volcanology.(pp. 235-252). Cham: Springer International Publishing. https://doi.org/10.1007/11157_2016_37