lava domes
Thick magma accumulations
Lava domes are mounds of viscous lava that pile up around a volcanic vent rather than flowing away.
The thick, slow-moving magma bulges upward and outward, creating steep-sided formations that can grow for months or years.
Lava domes are unstable and prone to collapse, often triggering pyroclastic flows—fast-moving avalanches of hot gas and debris.
- rhyolitePale volcanic igneous rock
- magmaMolten rock underground
- blockyResembling stacked cubes
- eruptionViolent sudden release
- pressure buildupGradual increase of force
pyroclastic flows · stratovolcano · spine · obsidian · ooze · plug · volcanic plug · extrusion · silica · crater lakes · andesite · viscosity · bulge · flow · molten · heat · volcanic hazards · crust
lava domescinder cones
Steep volcanic debris hills
stratovolcanoes · shield volcanoes · volcanic bombs · lava tubes
dome, lava, volcano, volcanism, volcanology, volcanologist, lava dome