Overview

• Specialists from SSN, UNICACH and CENAPRED documented a slight rise in seismic activity between June 6 and August 21.
• Researchers also noted modifications in the hydrothermal system that could indicate internal magmatic movement.
• CNPC and the Chiapas Meteorology Agency announced upgraded equipment with round-the-clock seismic, thermal, geochemical and visual surveillance.
• A Puesto de Mando was installed with Chiapas and Tabasco civil protection authorities to coordinate preventive actions and public information.
• Measures in force include a ban on access to the crater, a standing scientific advisory committee, risk maps with evacuation routes, ready temporary shelters, and guidance for residents of Francisco León, Chapultenango, Pichucalco, Ixtacomitán and Ostuacán to monitor official bulletins.