Quimsachata-Oroscocha

Quimsachata-Oroscocha (Peru) is a lava dome. It rises to 3,848 m above sea level. The GVP records 1 confirmed eruption in the Holocene, the latest in 4,450 BCE.

Elevation: 3,848 m
Last eruption: 4,450 BCE
Confirmed eruptions: 1
Max VEI: —
Country: Peru
Location: 14.13° S, 71.36° W
Region (GVP): Central Andean Volcanic Arc
GVP type: Lava dome
Tectonic setting: Subduction zone / Continental crust (> 25 km)
Main rock type: Rhyolite

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
c. 4,450 BCE	—	?	Oroscocha · Isotopic: 14C (uncalibrated)

Data: Global Volcanism Program, Smithsonian Institution (#354000)