El Chichon Volcano Latest News
Unusual changes inside the crater of Chichón volcano in southern Mexico have raised fresh concerns among volcanologists.
About El Chichon Volcano
- El Chichón, also known as Chichonal, is a stratovolcano situated in the forested terrain of north-central Chiapas, Mexico.
- It is the youngest volcano in the northwestern part of the 150-km-long Chiapanecan volcanic arc.
- 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.
- It is one of the most active volcanoes located in Mexico.
- It has produced at least 12 major volcanic eruptions during the past 8000 years.
- El Chichón became very well known for its eruption in 1982.
- The 1982 eruption was the biggest disaster in modern Mexican history.
- The powerful 1982 explosive eruptions of high-sulfur, anhydrite-bearing magma were accompanied by devastating pyroclastic flows and surges and destroyed the summit lava dome.
- The eruptions created a new 1-kilometer-wide crater that now contains an acidic crater lake.
Source: IDR
Last updated on February, 2026
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