Tornadoes are ranked on the Enhanced Fujita scale, from EF0 to EF5.
Xem thêmWhat is a Richter Scale?
Xem thêmA Richter scale measures the strength of an earthquake.
Xem thêmEach one-point increase on the scale indicates ten times the amount of shaking and 33 times the amount of energy.
Xem thêmIt happened in 1960, and measured 9.5 on the Richter scale.
Xem thêmCanada has endlessly ranked highly on a global scale in education, civil liberties, economic freedom, and standard of living.
Xem thêm