Earthquakes on the Puente Hills thrust fault could be particularly dangerous because the shaking would occur directly beneath ...

Russia's massive quake has already triggered at least 10 aftershocks, and could continue for months, according to scientists.

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 ...

A 4.4 magnitude earthquake in Los Angeles in August was along the Puente Hills fault system, a thrust fault that runs beneath one of the city's oldest and most densely populated areas.

Weak shaking was felt across the East Bay, according to the USGS. The quake struck on a fault deep under the earth's crust known as Mount Diablo Thrust.