Fill in the blanks with a proper word:
1. Earthquake is caused due to internal …….. in the earth.
2. Maximum effect of an earthquake is near the ……… on the surface.
3. Effect of an earthquake depends on its ……
4. Lava soil is fertile because it contains ………
5. The fast flow of water in a river is called ‘ ………
6. An earthquake is recorded with a ……
7. Tsunamis and cyclones cause destruction near ……
