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Hell's Half Acre Volcano | John Seach
Idaho, USA
43.50 N, 112.45 W
summit elevation 1631 m
Shield volcano
Hell's Half Acre volcano contains an 800 m x 300 m depression which contains evidence of a former lava lake. Two lava tube systems are located near the summit.
Walking trail at Hell's Half Acre volcano, Idaho, USA
Pahoehoe lava flow
Pahoehoe lava flow
Cacti growing on lava flow
Further reading
Kuntz, M.A. and Dalrymple, G.B., 1979. Geology, geochronology, and potential volcanic hazards in the Lava Ridge-Hells Half Acre area, eastern Snake River Plain, Idaho. US Department of the Interior, Geological Survey.
Hell's Half Acre Volcano Eruptions
3250 BC ± 150