Sentences with phrase «causes seismic tremors»

But this ancient and ordered world is about to be shaken to its foundations — literally — when a controversial frack site on prize school woodland causes seismic tremors, a mysterious sinkhole and an unspeakable horror is unleashed.

Not exact matches

A six - year study of seismic activity along the San Andreas Fault found that the 2004 Parkfield earthquake caused breakage and microcracking in shallow rock layers that changed the speed at which seismic waves moved through the area, making it more vulnerable to tremors for more than three years afterward.

In a typical tremor, opposite sides of the fault rocket past each other in a matter of seconds — quickly enough to create the seismic waves that cause the ground to rumble and shake.