Koniuji

Koniuji (United States) is a stratovolcano. It rises to 273 m above sea level. The GVP records 3 confirmed eruptions in the Holocene, the latest in 1,150 BCE.

Elevation: 273 m
Last eruption: 1,150 BCE
Confirmed eruptions: 3
Max VEI: —
Country: United States
Location: 52.22° N, 175.13° W
Region (GVP): Aleutian Ridge Volcanic Arc
GVP type: Stratovolcano
Tectonic setting: Subduction zone / Intermediate crust (15-25 km)
Main rock type: Andesite / Basaltic Andesite

Show on the timeline GVP entry ↗

Other volcanoes and strong earthquakes within 300 km

Eruption history

VEI – Volcanic Explosivity Index: 0 = lava outpouring, 4 = like Eyjafjallajökull 2010, 6 = like Pinatubo 1991, 7 = like Tambora 1815. The scale is logarithmic – each step is about 10 times more material.

Start	End	VEI	Vent and dating
1,150 BCE ± 1,900 years	—	?	Isotopic: Ar/Ar
2,650 BCE ± 2,000 years	—	?	Isotopic: Ar/Ar
3,850 BCE ± 3,100 years	—	?	Isotopic: Ar/Ar

Data: Global Volcanism Program, Smithsonian Institution (#311140)