Solutions Volcanic stuff has 10 entries with similar clues
- ashresidue from a volcanic eruption
- laharvolcanic landslide elicits cry of surprise in two ways
- magmaGlassy volcanic rock
- pumiceVolcanic light porous stone
- basaltA dark volcanic rock
- calderaA large volcanic crater formed by the collapse of the volcano's mouth
- obsidianA dark glasslike volcanic rock formed by rapid solidification of lava
- krakatoaIndonesian volcanic island
- stromboliMediterranean volcanic island
- erebus-mountainA volcanic peak on Ross Island, Antarctica