Global Volcanism Program | Image GVP-01733
The broad, irregular summit of Kelud volcano contains several lava domes and a crater lake that has been the source of frequent violent and sometimes devastating eruptions. Construction of outlet tunnels following an eruption in 1919 that killed 5,110 people has reduced the number of fatalities from pyroclastic flows and lahars during subsequent eruptions.
Photo by Dan Dzurisin, 1980 (U.S. Geological Survey).
This image is made available as a Public Domain Work, but proper attribution is appreciated.