Earthquakes

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.
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Strong Earthquake Shakes Mexico City
April 18th, 2014
An earthquake of preliminary magnitude 7.5 struck today near southern Mexico's Pacific resort city of Acapulco, according to the U.S. Geological Survey (USGS).
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Rare Earthquake Strikes Southern France
france earthquake map
April 7th, 2014
An earthquake of preliminary magnitude 5.0 shook southern France today (April 7), according to France's National Seismic Monitoring Network.
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Powerful Aftershock Shakes Chile
April 3rd, 2014
A strong aftershock rattled northern Chile late Wednesday night (April 2), a day after an earthquake of magnitude 8.2 triggered a tsunami in the region, according to the U.S. Geological Survey (USGS).
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New Earthquake Hits Nicaragua
Nicaragua earthquake
April 11th, 2014
An earthquake of magnitude 6.6 shook Nicaragua Friday (April 11), according to the U.S. Geological Survey (USGS).
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Small Earthquake Shakes Oklahoma City
earthquake map
April 7th, 2014
An earthquake of preliminary magnitude 4.0 struck Oklahoma today, according to the U.S. Geological Survey. Scientists think fracking-related wastewater injection is to blame for the state's uptick in seismic activity.
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Chile Earthquake: Do Bigger Tremors Loom?
April 2nd, 2014
The earthquake that rocked Chile Tuesday struck in a stretch of the Pacific coast that had been alarmingly quiet for more than a century. Some worry that the rupture still has more built-up stress to unleash.
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Huge Earthquake Triggers Tsunami Warning in Chile
April 1st, 2014
A massive earthquake of magnitude 8.2 struck Tuesday (April 1) off the coast of northern Chile, prompting a tsunami warning, according to the U.S. Geological Survey (USGS).
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Damaging Earthquake Strikes Nicaragua
Nicaragua earthquake
April 11th, 2014
An earthquake of magnitude 6.1 shook Nicaragua Thursday (April 10), according to the U.S. Geological Survey (USGS).
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Earthquake Strikes Near Greece
earthquake map
April 4th, 2014
An earthquake of preliminary magnitude 5.7 shook Greece today (April 4), according to the U.S. Geological Survey (USGS).
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Chile Earthquake Unleashes Tsunami ... and Sensors Track It
April 2nd, 2014
A powerful 8.2-magnitude earthquake that rocked Chile Tuesday night (April 1) originated at a rupture in the Earth's crust that has produced some of the world's strongest earthquakes in history.
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