Movement was mainly along reverse/thrust faults in the W, vertical strike-slip faults in the E, including those penetrating upward from within the basement and others, vertical and striking parallel ...

As observed in Lesson 3, at low pressures and temperatures rock is a brittle material that will fail by fracture if the stresses become sufficiently large. When a lateral displacement takes place on a ...

Recent earthquakes that have shaken California may be a result of a Southern California fault line considered even more dangerous than the San Andreas fault. Los Angeles was rattled by a 4.4 magnitude ...