The earthquake struck 8 miles (13 kilometers) north of Anchorage, prompting a tsunami warning.
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.
Yes, California will have a big earthquake, but the chances of "the big one" happening now didn't suddenly increase.
There’s a new theory on what may have triggered the 2014 earthquake that tore through California’s Napa-Sonoma Valley.
A team of scientists spent months flying around East Antarctica to prove that the frozen continent really does have earthquakes.
Devastating Cascadia megaquakes may rock the Pacific Northwest more frequently than previously suspected.
A magnitude-5.0 earthquake shook the Big Island of Hawaii on Thursday (May 3), causing lava to spew into a residential subdivision.
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