An aerial view of the La Cañada Flintridge foothills shows dust and dirt thrown into the air following a magnitude 5.9 earthquake from Oct. 1, 1987. (George Rose / Getty Images) Monday's magnitude 4.4 ...

Two of the most dangerous fault systems on the U.S. West Coast may be more connected than scientists once thought. New ...

In earthquake country, the meandering paths of quake faults easily get seared into memory in the same way as a California freeway map. An earthquake fault is a fracture in the ground between two ...

The Hayward fault, part of the larger San Andreas fault system, runs 74 miles through the East Bay of the San Francisco Bay ...

Prefer Newsweek on Google to see more of our trusted coverage when you search. The geometric structure of rocks where earthquakes occur could play a key role in determining their location and strength ...

Last Monday, April 14, an earthquake caught many people’s attention in Southern California. It was centered near the town of Julian about 35 miles inland from San Diego and triggered the USGS ...

Add Yahoo as a preferred source to see more of our stories on Google. An aerial view of the La Cañada Flintridge foothills shows dust and dirt thrown into the air following a magnitude 5.9 earthquake ...

Monday’s magnitude 4.4 earthquake centered four miles northeast of downtown Los Angeles was modest but packed quite a jolt. Although no major damage was reported, experts say the temblor was in the ...