summit crater
Mountaintop volcanic hollow
A summit crater is the bowl-shaped depression at the top of a volcano, formed by explosive eruptions or the collapse of the volcanic cone.
Most active volcanoes have one, though some have multiple summit craters or a single large caldera.
Steam rose continuously from the summit crater.
- volcanic ventMagma's surface exit
- ventOpening for airflow
- calderaCollapsed volcanic summit basin
- fire pitOutdoor contained burning area
- degassingRemoving dissolved gases
gas emissions · sulfur smell · fumarole · rim · mountain top · stratovolcano · heat · eruption · cone · edge · magma chamber · molten rock · ash · rock · danger zone · ring of fire · volcanic activity · volcanology
topographic elevation
summit cratervalley floor
Bottom of depression between hills
ocean trench · canyon bottom · basin · lowland · depression
landform convexity/concavity at elevation
summit cratermountain peak
Topmost point of elevation
volcanic plug · lava dome · pinnacle · spire · summit