A California fault line remains relatively unknown. It caused last week’s quake and might be the site of ‘the big one’ - The 10-mile deep Puente Hills thrust fault runs beneath downtown Los ...

In thrust faults, one block of the Earth's crust moves up or down relative to the fault's other side; in faults like the world-famed San Andreas, ...

The fault, known as the Wilmington Blind-Thrust fault, stretches for about 12.5 miles, running northwest from Huntington Beach, directly beneath the Los Angeles and Long Beach harbors, past the ...

A fault that juts beneath the surface of Los Angeles County’s South Bay, once thought to be sleeping, is actually awake and active. Skip to content. All Sections. Subscribe Now. 58°F.

The 4.4 magnitude earthquake that was felt in many Southern California cities Monday fell on the Puente Hills Thrust Fault System, which is potentially the most destructive in the region.

The Puente Hills thrust fault, which brought Friday night's magnitude-5.1 quake centered in La Habra and well over 100 aftershocks by Sunday, stretches from northern Orange County under downtown ...

Its speed is far slower than other blind-thrust faults in the region, such as the blind-thrust fault that caused the Northridge quake, which moves at about 7 milimeters per year.

Thrust faults have been the site of some of the world's largest quakes, such as the 2011 Tohoku earthquake off the coast of Japan, which damaged the Fukushima nuclear power plant.

The damaging earthquake that struck the San Simeon region Monday was powerful but no more so than millions of similar quakes that have heaved Earth's crust upward over millions of years to build ...

Earthquakes on thrust faults can spread 10 times farther to a second nearby thrust fault than previously thought. by University of California - Riverside ...

The Puente Hills thrust fault is the same overall fault network that produced the Whittier Narrows – which measured a 5.9 magnitude, killed eight people and caused some $358 million in damage in ...