Acatenango Volcano | John Seach



14.50 N, 90.87 W
summit elevation 3976 m

Acatenango is a stratovolcano in Guatemala, close to the city of Antigua. The volcano has two peaks, Pico Mayor and Yepocapa.

During the 20th century, phreatic explosions ejected bombs which fell near the summit craters and ash fell up to 25 km away.

1972 Eruption
Three vents erupted in the saddle between the two peaks of Acatenago (Pico Mayor and Yepocapa).

1926-27 Eruption
Explosive eruptions occurred at Pico Central.

1924-25 Eruption
An explosive fissure eruption occurred on the North slope of Pico Central.

Explosive eruptions at Acatenango occurred 1900 years ago (Pico Mayor), 2300 years ago (Pico Mayor) and about 5000 years ago (Yepocapa). Pyroclastic flows occurred at Acatenango volcano about 2000 years ago. Runout distances of pyroclastic flows are up to 12 km from the the summit.

Further reading
Vallance, J.W., Schilling, S.P., Matías, O., Rose, W.I. and Howell, M.M., 2001. Volcano hazards at Fuego and Acatenango, Guatemala. US Geological Survey Open-File Report, pp.01-431.

Acatenango Volcano Eruptions

1972, 1926-27, 1924-25, 1450 ± 50, 90 AD ± 100, 260 BC ± 75, 370 BC ± 200, 2710 BC ± 75