Answer. An earthquake is defined as a tremor below the surface of the earth which causes shaking of the crust. For example, an earthquake of 7.5 magnitude struck Sulawesi Province in Indonesia in 2018.
Answer. An earthquake is defined as a tremor below the surface of the earth which causes shaking of the crust. For example, an earthquake of 7.5 magnitude struck Sulawesi Province in Indonesia in 2018.