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Global Volcanism Program | Image GVP-10026

Ashfall deposits, such as seen here near Villahermosa north of the volcano, whitened the landscape around El Chichón like snow and stripped many trees of their leaves.  Ashfall deposits trending to the ENE blanketed an area of 45,000 sq km within the 1 mm isopach.  Eruption columns on March 28-29 and April 3-4 reached 17 km or higher.  The exceptionally high sulfur content of the El Chichón magma produced an eruptive plume rich in sulfuric acid aerosols, which circled the globe in three weeks and led to warming of the stratosphere. Photo by Servando De la Cruz-Reyna, 1982 (Universidad Nacional Autónoma de México).

Ashfall deposits, such as seen here near Villahermosa north of the volcano, whitened the landscape around El Chichón like snow and stripped many trees of their leaves. Ashfall deposits trending to the ENE blanketed an area of 45,000 sq km within the 1 mm isopach. Eruption columns on March 28-29 and April 3-4 reached 17 km or higher. The exceptionally high sulfur content of the El Chichón magma produced an eruptive plume rich in sulfuric acid aerosols, which circled the globe in three weeks and led to warming of the stratosphere.

Photo by Servando De la Cruz-Reyna, 1982 (Universidad Nacional Autónoma de México).


El Chichón