Dead Wildlife/Cattle
Scientist looks at seismometer graph
Spooky underground lava rising cutaway/scene
Spooky underwater boiling/lava scene
Pumice
Dead trees from CO2
Characters shelter in cave, bunker, mines, or basement
Scientist was wrong about a previous eruption prediction
Geyser, fountain, or other hydrothermal feature erupts lava
Character explains pyroclastic flows
Any mention of carbon dioxide
Character finds excuse to go to volcano while it is actively erupting
Volcano Erupts
Eruption denier dies in eruption
Car swerves to avoid volcanic hazard
Character sends spouse/family away for fear of eruption
"Harmonic Tremors"
Cornered by lava
Character asks about using bomb to stop eruption or eruption hazard
Lavafall (Waterfall of lava)
Dog barks at volcanic hazard
Rescued by helicopter in the nick of time
Characters use no or minimal protection against breathing ash
Steam related injury/death
Ominous pre-eruption earthquake