What are the magnitude and intensity of an earthquake? Why do earthquakes happen? How can we prepare? We discover how an earthquake's scale is related to the size of the underground fissure, and why earthquakes that continue for a long time are especially feared.
What are the magnitude and intensity of an earthquake? Why do earthquakes happen? How can we prepare? We discover how an earthquake's scale is related to the size of the underground fissure, and why earthquakes that continue for a long time are especially feared.
