Altar Volcano - John Seach



1.67 S, 78.42 W
summit elevation 5321 m

Altar Volcano has been extinct for a million years but has caused fatalities in 2000. On 13th October 2000 a large block of rock broke off near the summit and crashed 900 m into a caldera lake. This caused a 50 m high tsunami which overflowed the caldera. Thirteen people were killed by the lahar which resulted.

Altar Volcano Eruptions

No recent eruptions.
Landslide induced tsunami in crater lake in 2000.