VOLCANO

GVP volcano 322040 · no holder yet

Sand Mountain Field

Sand Mountain Field is a 1,664 m volcanic field in the United States, last erupted around 950 BCE.

Type
Volcanic field (cluster landform)
Summit
1,664 m above sea level
Rock
Basalt / Picro-Basalt
Setting
Subduction zone, continental, over 25 km
Last eruption
950 BCE
Largest known
VEI 4, cataclysmic, 950 BCE
Eruptions
2 confirmed in the record
Where
44.38°N 121.93°W · United States
Region
High Cascades Volcanic Arc, North America Volcanic Regions
Record
Global Volcanism Program, volcano 322040

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Not a hazard warning. For safety information follow USGS Volcano Hazards Program.