Olkaria

Olkaria (Kenya) is a pyroclastic cone. It rises to 2,434 m above sea level. The GVP records 3 confirmed eruptions in the Holocene, the latest in 1770.

Elevation: 2,434 m
Last eruption: 1770
Confirmed eruptions: 3
Max VEI: —
Country: Kenya
Location: 0.90° S, 36.29° E
Region (GVP): Kenyan Rift Volcanic Province
GVP type: Pyroclastic cone(s)
Tectonic setting: Rift 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
1770 ± 50 years	—	?	Ololbutot · Isotopic: 14C (uncalibrated)
c. 4,050 BCE	—	?	Correlation: Tephrochronology
c. 6,050 BCE	—	?	NE side (Gorge Farm) · Correlation: Tephrochronology

Data: Global Volcanism Program, Smithsonian Institution (#222090)