1. Origin of the Earthquakes

2. Origin of Volcanic Eruptions

3. The Earth:
Third planet from the sun
The fifth largest planet in the solar system is terms of size
The Earth is not a perfect sphere:
The equator is 21km wide.
The North Pole is dilates 10 meters.
The South Pole is sunk 31 meters.

4. Earths Orbit: The
circumference of
the orbit is
aproximately
938,900,000 km.
The Earth travels
along this
circumference at
the speed of
106,000 km per
hour.

5. Earth’s rotation:
The Earth rotates along its axis
It rotates once every 23 hours, 56 minutes and 4.1seconds.