Agency: Universidad de Ciencias y Artes de Chiapas – Centro de Monitoreo Vulcanológico – Sismológico (UNICACH)
Name: Estado – Volcán Tacaná [State – Tacaná Volcano]
Note: This VAL scheme is currently known only from alert levels issued in reports.
| Domain | Terrestrial or All |
| Volcano | Tacaná |
| Scheme range | Unknown scale |
| Lowest level | 1 |
| Highest level | ? |
| Level name type | Word |
| 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 Mexican VAL schemes can be found below: