Calderas

Opala

Opala (Russia) is a caldera. It rises to 2,439 m above sea level. The GVP records 4 confirmed eruptions in the Holocene, the latest in 1776.

Elevation
2,439 m
Last eruption
1776
Confirmed eruptions
4
Max VEI
5
Country
Russia
Location
52.54° N, 157.34° E
Region (GVP)
Kuril Volcanic Arc
GVP type
Caldera
Tectonic setting
Subduction zone / Continental crust (> 25 km)
Main rock type
Basalt / Picro-Basalt

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
23 October 1776 — 2 Observations: Reported
610 ± 50 years — 5 SE flank (Barany Amphitheater) · Isotopic: 14C (calibrated)
c. 1,550 BCE — ? Isotopic: 14C (uncalibrated)
c. 3,500 BCE — ? Correlation: Tephrochronology

Data: Global Volcanism Program, Smithsonian Institution (#300080)