For 10 points, name these landforms, prominent around the Earth's "ring of fire," which are formed where magma can reach the earth's surface.
When formed underneath glaciers, these landforms can cause devastating floods known as jokulhaups (yoe-kull-howps). A pyroclastic flow may stem from these landforms, which can excrete material known as pahoehoe (pa-HOY-hoy) and aa (ah-ah). Broadly, these landforms are classified into composite, shield, and cinder types. For 10 points, name these landforms, prominent around the Earth's "ring of fire," which are formed where magma can reach the earth's surface.
When formed underneath glaciers, these landforms can cause devastating floods known as jokulhaups (yoe-kull-howps).
volcanoes