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Global Volcanism Program | Image GVP-03871

A pyroclastic flow produced by collapse of a growing lava dome descends the north flank of El Brujo vent on Santiaguito lava dome in November 1967.  Periodic larger collapses of Santiaguito have sent pyroclastic flows down the populated south flanks.  The most catastrophic of these traveled 10 km in 1929, when hundreds to thousands of people were killed.   Copyrighted photo by Dick Stoiber, 1967 (Dartmouth College).

A pyroclastic flow produced by collapse of a growing lava dome descends the north flank of El Brujo vent on Santiaguito lava dome in November 1967. Periodic larger collapses of Santiaguito have sent pyroclastic flows down the populated south flanks. The most catastrophic of these traveled 10 km in 1929, when hundreds to thousands of people were killed.

Copyrighted photo by Dick Stoiber, 1967 (Dartmouth College).


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