Across
- 2. vibration of the ground produced during an earthquake
- 4. the point of failure where seismic waves originate
- 6. the variation in elevations of the crust
- 7. the point on Earth’s surface directly above the focus
- 9. cone-shaped with concave slopes; formed by violent eruptions of volcanic fragments and lava that accumulate in alternating layers
Down
- 1. seismic wave that squeezes and pushes rocks in the direction along which the wave is traveling
- 2. a broad volcano with gently sloping sides formed by the build-up of non-explosive eruptions of basaltic lava
- 3. a steep-sided, generally small volcano that is built by the accumulation of tephra around the vent
- 5. seismic wave that causes rocks to move perpendicular to the direction of the wave
- 8. an unusually hot area in Earth’s mantle where high temperature plumes of mantle material rise toward the surface