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Volcano alert levels: Mexico

The volcanological authority in Mexico is the Centro Nacional de Prevención de Desastres (CENAPRED). The alert system used by CENAPRED in monitoring Popocatépetl runs through three levels as follows:

Volcano alert system used by CENAPRED, Mexico.

Volcano alert system used by CENAPRED, Mexico.

Green/Verde: Normal

Yellow/Amarillo: Alert

Red/Rojo: Alarm

The Volcanism Blog