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 ...

While California’s 750-mile-long San Andreas Fault is notorious, experts believe a smaller fault line possesses a greater threat to lives and property in the southern part of the state. According to ...

The San Andreas Fault is California's longest and most famous fault. At this fracture zone, two plates of Earth's crust move past each other. It stretches from the Salton Sea in Southern California to ...

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 ...

They are two of the West Coast’s most destructive generators of huge earthquakes: The San Andreas fault in California and the Cascadia subduction zone offshore of California’s North Coast, Oregon, ...

The geometric structure of rocks where earthquakes occur could play a key role in determining their location and strength, researchers have found. A study, carried out by geologists at Brown ...

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 ...

The March 28, 2025, Myanmar earthquake is giving scientists a rare look into how some of the world's most dangerous fault systems behave, including California's San Andreas Fault. Earthquakes are ...

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 ...