It also causes a lot of money to repair everything and to reinforce what has been damaged. San Francisco has reinforced the bay bridge therefore if it were to fall or get damaged again it would not collapse. San Francisco has reinforced buildings to. Earthquakes have different ratings by how big they are some are 7.8 or either 7.6 or some lower than 5.0 earthquakes all come different. Earthquakes destroy property and move the continents apart. The tectonic plates are moving all the time earthquakes are also the reason for volcanos. The plates collide and causes a steep. Earthquakes cause great damage to objects around us. For instances, if there were an earthquake the building would start to collapse you would have to tuck and go under a nice stable object to protect