Day 1 - seismic

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Across
  1. 1. The point inside Earth where an earthquake begins
  2. 4. Energy that travels through the Earth
  3. 6. Bouncing of seismic energy from a boundary
Down
  1. 2. Seismic wave that cannot travel through liquids
  2. 3. Instrument that records ground motion
  3. 5. A break in the Earth's crust where movement occurs