Earthquakes occur more often than you think. Here’s what you need to know about where they usually happen and how they’re ...

A reverse is, well, just the reverse. An example of a normal fault is the 150-mile-long (240-kilometer-long) Wasatch Fault underlying parts of Utah and Idaho, again caused by the Pacific plate ...

Those small reversal incidents are earthquakes showing reverse faults—something that has long puzzled seismologists and those who study the ocean floor.