I have ability to shake the earth and time I can cause the building to collapse and harm peoples who am I

Earthquakes

Explanation:

It can shake the earth and colapse building it fits everything you said. It can also harm people.

You are an earthquake.

Explanation:

Earthquakes shake the Earth and if they are bad enough, they can harm people and destroy buildings. So, you are an earthquake.

answer; i thinking 4.5 million. in sydney australia;