United States · Volcanic field
West Crater
- Type
- Volcanic field
- Elevation
- 1329m
- Last eruption
- -5750
- Type
- Volcanic field
- Country
- United States
- Region
- North America / High Cascades Volcanic Arc
- Elevation
- 1329m
- Coordinates
- 45.880, -122.080
- Last eruption
- -5750
- Tectonic setting
- Subduction zone / Continental crust (> 25 km)
- Landform
- Cluster
- Major rock type
- Andesite / Basaltic andesite
Geological summary
West Crater, a small andesitic lava dome with associated lava flows, is part of a Quaternary volcanic field in southern Washington consisting primarily of small basaltic and basaltic andesite cinder cones and shield volcanoes, oriented along a NW-SE zone to the SE of St. Helens.
Excerpt from the Global Volcanism Program, Smithsonian Institution · Read the full summary on GVP →
From Wikipedia
West Crater is a small lava dome with associated lava flows in southern Washington, United States. Located in Skamania County, it rises to an elevation of 4,131 feet (1,259 m), and forms part of the Cascade Volcanic Arc. It is also part of the Marble Mountain-Trout Creek Hill volcanic field, a little-known Quaternary volcanic field in the southern Cascades of Washington state. The area can be hiked, and can be accessed by roads in the Gifford Pinchot National Forest.
Wikipedia · CC BY-SA · Read full article →
Eruption history
2 recordedGlossaryRecord summary
- Confirmed eruptions
- 2
- Uncertain eruptions
- 0
- Span of confirmed record
- 6110 BCE – 5750 BCE
- Largest confirmed eruption
- VEI 2 (5750 BCE, the most recent of 2)
- Confirmed eruptions since 1900
- 0
Detailed timeline
- 5750 BCEVEI 2Geological estimate5750 BCE – end unknownBare Mountain
- 6110 BCEVEI 2Geological estimate6110 BCE – end unknownWest Crater, Hackamore Creek cone
Nearby volcanoes
External links
⚠ For reference only. Not for emergency response.