El Chichon Volcano:
Unusual changes inside the crater of Chichón volcano in southern Mexico have raised fresh concerns among volcanologists.
- El Chichón, also known as Chichonal, is a stratovolcano in Mexico.
- This volcano is made up of several lava domes and a tuff ring.
- A tuff ring is a low, wide ring of volcanic ash and rock.
- El Chichón sits between two larger volcanic areas: the Trans-Mexican Volcanic Belt and the Central America Volcanic Arc.
