GVP volcano 284180 · no holder yet
Alamagan
Alamagan is a 744 m stratovolcano in the United States, last erupted in 870 CE.
- Type
- Stratovolcano (composite landform)
- Summit
- 744 m above sea level
- Rock
- Andesite / Basaltic Andesite
- Setting
- Subduction zone, thickness unknown
- Last eruption
- 870 CE
- Largest known
- VEI 4, cataclysmic, 870 CE
- Eruptions
- 2 confirmed in the record
- Where
- 17.60°N 145.83°E · United States
- Region
- Mariana Volcanic Arc, Northwestern Pacific Volcanic Regions
- Record
- Global Volcanism Program, volcano 284180
Not a hazard warning. For safety information follow USGS Volcano Hazards Program.