The magnitude isnt directly connected with the extent of damage,the 1906 San Francisco earthquake with magnitude 7.8 caused 9.8 billion of actualized USD while a 6.1 magnitude Emilia earthquake in the 2012caused a loss of 13.2 billion of USD.In California the 1989 Loma Prieta earthquake was a major earthquake that struck the San Francisco Bay area in the late afternoon; the earthquake caused severe damage in some locations in the San Francisco Bay Area,and it has been estimated that 11 billion USD were the total property damage.As typical in earthquakes,unreinforced masonry buildings and buildings on steep slopes suffered more damage.