The city sprawls above hundreds of fault lines, including major active ones like the San Andreas, Puente Hills and Santa Monica, but the last major temblor was the 1994 Northridge quake.

Below California's famed beaches, mountains and metropolitan areas lies a sinister web of earthquake faults—some so infamous ...

At the Seismological Society of America's Annual Meeting, researchers posed a seemingly simple question: how wide are faults?

In this type of fault, the block of rock above the fault plane, known as the hanging wall, moves downward relative to the block below, called the footwall. Normal faults are typically found at ...

Their shared goal was to link the two lines together in a circle under central London. Over the coming weeks, we’ll be using maps to tell you the story of each of London’s Tube lines.

Their shared goal was to link the two lines together in a circle under central London. Over the coming weeks, we’ll be using maps to tell you the story of each of London’s Tube lines. The images used ...

Night - Cloudy with a 51% chance of precipitation. Winds S at 20 to 21 mph (32.2 to 33.8 kph). The overnight low will be 61 °F (16.1 °C). Mostly cloudy with a high of 79 °F (26.1 °C) and a 51% ...

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