United States · Shield volcano
Hell's Half Acre Lava Field
Hell's Half Acre
- Type
- Shield volcano
- Elevation
- 1632m
- Last eruption
- -3250
- Type
- Shield volcano
- Country
- United States
- Region
- North America / Yellowstone-Snake River Hotspot Volcano Group
- Elevation
- 1632m
- Coordinates
- 43.492, -112.450
- Last eruption
- -3250
- Tectonic setting
- Rift zone / Continental crust (> 25 km)
- Landform
- Shield
- Major rock type
- Basalt / Picro-basalt
Geological summary
Hell's Half Acre, the easternmost of the young basaltic lava fields of the Snake River Plain, covers an area of about 400 km2 SW of Idaho Falls.
Excerpt from the Global Volcanism Program, Smithsonian Institution · Read the full summary on GVP →
From Wikipedia
Hell's Half Acre Lava Field is a basaltic lava plain located on the Snake River Plain of Idaho in the United States. It is the easternmost of the basaltic lava fields on the Snake River Plain, located about 25 miles (40 km) west of Idaho Falls, Idaho and 30 miles (48 km) north of Pocatello, Idaho. In 1976, the National Park Service designated the northwestern portion of the site a National Natural Landmark. In 1986, the Bureau of Land Management recommended that 68,760 acres (27,830 ha) of the site, located just southeast of the National Natural Landmark, to be a wilderness study area.
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Eruption history
1 recordedGlossaryRecord summary
- Confirmed eruptions
- 1
- Uncertain eruptions
- 0
- Span of confirmed record
- 3250 BCE (±150 yrs) – 3250 BCE
- Largest confirmed eruption
- VEI 0 (3250 BCE)
- Confirmed eruptions since 1900
- 0
Detailed timeline
- 3250 BCE (±150 yrs)VEI 0Geological estimate3250 BCE – end unknown
Nearby volcanoes
External links
⚠ For reference only. Not for emergency response.