Volcano Diagram:

1. Magma chamber

2. Bedrock

3. Conduit (pipe)

4. Base

5. Sill

6. Branch pipe

7. Layers of ash emitted by the volcano

8. Flank

9. Layers of lava emitted by the volcano

10. Throat

11. Parasitic cone

12. Lava flow

13. Vent

14. Crater

15. Ash cloud