| Across |
| 4. | archipelagic nation |
| 10. | most populated island in Indonesia |
| 11. | deepest location on earth |
| 13. | area with frequent earthquake and volcanic eruptions |
| 15. | helped kill those people on Java |
| 16. | strato volcanoes |
| 17. | volcano killed over 1,000 people in 1900's on Java |
| 21. | surrounded by the African, Indian and Australian plates |
| 22. | powdery residue from an eruption |
| 23. | largest islands of the Philippines |
| 24. | I-A Plate |
| 25. | between Sumatra and Java |
| 26. | trench of coffee |
| 28. | mighty sea waves |
| 30. | volcano in the Sunda Strait |
| 31. | highest peak is Mt. Agung |
| 33. | A steep-sided mass of doughy lava extruded from a volcano |
| 34. | the most rapid and fluid type of downhill mass wasting |
| 35. | seasonal heavy rainfall |
| 36. | a Pelean-Type volcano on Luzon |
| 37. | gigantic basin with steep walls |