The new map reveals that the area in and around Coronado Island is more seismically active than scientists once believed. But the map has limitations. For example, scientists don’t know the location of all of California’s “blind thrust” faults, which produce quakes that don’t break the Earth’s surface. The magnitude 6.7 earthquake that occurred in Northridge in 1994 occurred on a blind thrust fault. The shaker killed more than 70 people and caused about $20 billion in damage.
Read the entire Union Tribune article here.
