Reports

Holocene Eruptive Activity of El Chichón Volcano, Chiapas, Mexico

Science  18 May 1984:
Vol. 224, Issue 4650, pp. 747-749
DOI: 10.1126/science.224.4650.747

Abstract

Geologic and radiometric-age data indicate that El Chichón was frequently and violently active during the Holocene, including eruptive episodes about 600, 1250, and 1700 years ago and several undated, older eruptions. These episodes, involving explosive eruptions of sulfur-rich magma and associated dome-growth processes, were apparently separated by intervals of approximately 350 to 650 years. Some of El Chichón's eruptions may correlate with unusual atmospheric phenomena around A.D. 1300 and possibly A.D. 623.

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