Across
- 2. small fragments of minerals and glass expelled from a volcano during an eruption.
- 4. giant wave caused by an earthquake under a large body of water.
- 7. common near any plate boundary, but are most common along transform plate boundaries.
- 8. flexible building material which is perfect for use in areas at risk for earthquakes.
- 9. population density is often highest near the ___________.
Down
- 1. large mass of earth falling down a steep slope.
- 3. volcanoes usually form along ______________ plate boundaries.
- 5. a vent in the Earth's crust where molten rock can erupt onto the surface.
- 6. if a tsunami is coming, seek __________ ________.