Related Clues:

• Mauna Loa's output
• Etna emission
• Flowing hot rock
• Moving magma
• Flowing hot rock from a volcano
• Word before "lamp" or "cake"
• Mount Etna outflow
• Floor material, in a children's game
• 6-Across output
• What Kilauea spews
• "The floor is ___"
• ___ cake (gooey dessert)