What is a sudden shaking of the ground caused by the movements or vibrations deep inside the earth called?

What is  a very weak tornado that is  not associated  with a wall cloud or  a mesocyclone called?

What do we say when living things on earth become victims of nature's fury?

Which of the following is made of large and small plates?

The lava, when it is below the earth's surface is known as:

Tidal or storm waves are called:

What causes destruction on the seashore in seconds?

What is an opening in the earth's surface called?

Which one of the following is the only active volcano in the Indian subcontinent?

Which one of the following are measured on a Richter scale?