Hibok-Hibok

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Across
  1. 2. Inactive
  2. 4. Cone-shaped volcanoes made of layers
  3. 7. Powdery substance excreted from volcanoes
  4. 10. Fast flow of solid lava, ash and hot gases
  5. 11. When one crustal plate's edge descends below another's
  6. 12. A steep,cone-shaped hill with a crater summit
Down
  1. 1. Semi-molten rock
  2. 3. Fault caused by divergent plate boundaries
  3. 5. A tectonic belt of volcanoes and earthquakes
  4. 6. A rupture in the Earth's crust
  5. 8. The outburst from a volcano; Hasn't occurred here since 1953
  6. 9. Magma expelled from the Earth