This time, a magnitude-7.1 temblor struck the region near Ridgecrest, California. Experts say the next one could be even bigger.
Earthquakes are the result of plate tectonics, or shifting plates in the crust of Earth, and quakes occur when the frictional stress of gliding plate boundaries builds and causes failure at a fault line. In an earthquake, elastic strain energy is released and waves radiate, shaking the ground. Scientists can predict where major temblors might occur in a general sense, but research does not yet allow forecasts for specific locations or accurate predictions of timing. Major earthquakes, some generating tsunamis, have leveled entire cities and affected whole countries. Relatively minor earthquakes can also be induced, or caused by human activity, including extraction of minerals from Earth and the collapse of large buildings.
Southern California was rattled by a magnitude 6.4 quake on Thursday (July 4). Bigger quakes could be coming soon.
Recent rumblings at Yellowstone National Park are actually aftershocks of a quake that occurred 60 years ago.
A massive, underground "blob" might be triggering hundreds of earthquakes in the Hindu Kush mountains.
Falsified data suggested that an earthquake was terminated by one of the most active volcanoes in Japan.
NASA's TESS mission has, for the first time, detected a planet orbiting a star with visible starquakes.
Earthquakes may be dumping millions of tons of carbon into the Earth's deepest cracks. And scientists aren't sure what that means.
Earth is always changing, and 2018 — a year filled with hurricanes, volcanic eruptions and earthquakes — was no exception.