The Craters of the Moon are located at the NW end of the largest lava field of the Snake River Plain in Idaho, USA. The volcanic field contains over 60 lava flows, 25 cinder cones up to 250-m high, and 8 eruptive fissure systems, and covers an area of 1600 km2.
North Crater in winter (NPS photo)
The Craters ... [più]
Hell's Half Acre is the easternmost and second largest of the young basaltic lava fields of the Snake River Plain, Idaho. It covers an area of about 400 sq km SW of Idaho Falls. The last eruptions occurred about 5200 years ago. [più]
The Shoshone or Black Butte lava field is the westernmost of the young lava fields of the Eastern Snake River Plain. It lies north of Twin Falls, Idaho and created an L-shaped lava flow 2-to-5 km in width that extends 60 km S and then west.
The last activity from Shoshone ... [più]
The Wapi lava field, SE of the Craters of the Moon, Idaho, is a low shield volcano that formed during an eruption about 2250 years ago, which produced about 6 cubic km of fluid pahoehoe lava flows. It covers about 325 km2, and consists of a low shield volcano, which partly overla... [più]
Kings Bowl and Great Rift from air. King's Bowl is a phreatic explosion pit 280 feet (90 m) long, 100 feet (30 m) wide, and 100 feet (30 m) deep, caused by lava meeting groundwater and producing a steam explosion 2,200 years ago. (NPS photo)