Shield volcanoes

Yunaska

Yunaska (United States) is a shield volcano. It rises to 550 m above sea level. The GVP records 3 confirmed eruptions in the Holocene, the latest in 1937.

Elevation
550 m
Last eruption
1937
Confirmed eruptions
3
Max VEI
3
Country
United States
Location
52.64° N, 170.63° W
Region (GVP)
Aleutian Ridge Volcanic Arc
GVP type
Shield
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.

StartEndVEIVent and dating
3 November 1937 4 November 1937 3 Observations: Reported
2 July 1830 — 2 Observations: Reported
2 July 1824 — 3 Observations: Reported

Data: Global Volcanism Program, Smithsonian Institution (#311210)