14 December 2011, 11:53 AM ET
Once thought stable, bedrock with cracks could make shaking worse.
23 November 2011, 04:00 PM ET
No tsunami is expected to be produced by the temblor.
09 November 2011, 12:34 PM ET
The United States has a model building code that details what each state should require, based on the size of earthquake they can expect. Not all states adopt the guidelines.
27 October 2011, 01:48 PM ET
After a massive February 2010 earthquake and tsunami devastated parts of Chile, researchers used LiDAR, laser scanning technology, to assess the aftermath.
25 October 2011, 12:08 PM ET
An animation of the devastating magnitude 9.0 earthquake that rocked Japan in March.
30 September 2011, 11:51 AM ET
Quake caused already damaged reef to collapse.
26 September 2011, 03:39 PM ET
Tectonic forces, not meteorites, may have helped transform a molten Earth into the planet we know today.
20 September 2011, 09:18 AM ET
American scientists worry about the precedent that criminal charges set.
20 September 2011, 08:47 AM ET
The 6.3-magnitude earthquake crumbled medieval buildings, taking hundreds of lives.
29 August 2011, 11:49 AM ET
Understanding what happens at the epicenter of an earthquake, as the tectonic plates beneath the earth shift and the earth shakes, could help us better predict when and where the next “big one” will hit.
24 August 2011, 05:01 PM ET
There have been three major earthquakes in the Americas in less than 48 hours. The USGS says they aren't connected, however.
24 August 2011, 01:49 PM ET
Turns out, some zoo animals showed their quake-sensing powers yesterday.
24 August 2011, 11:03 AM ET
André Filiatrault, PhD, director of the University at Buffalo's MCEER (Multidisciplinary Center for Earthquake Engineering Research), met with media on Aug. 23, 2011 to discuss the 5.9 magnitude that shook parts of the eastern U.S. and Canada.
23 August 2011, 05:04 PM ET
Seismologists estimate that a 7.5 magnitude earthquake would be possible on the East Coast. This would cause significant damage over a broad area.
23 August 2011, 04:30 PM ET
New Yorkers on the street were surprised to see people evacuating buildings. Here's why today's quake wasn't felt on the street.
23 August 2011, 04:30 PM ET
"Old and cold" continental crust kept Tuesday's Virginia quake waves alive over long distances.
23 August 2011, 02:10 PM ET
Shaking was felt up and down east coast.
19 August 2011, 09:46 AM ET
Scientists take to sea to study a massive fault in the U.S.'s backyard.
08 August 2011, 10:26 AM ET
Waves generated by the massive March 2011 undersea earthquake off Japan traveled 8000 mi. to chop 50 sq. mi. of ice off the Sulzberger Ice Shelf. NASA and ESA satellites captured imagery of the break. Ice may have been weakened by climate change.
03 August 2011, 09:48 AM ET
A bursting fault can only set off three other nearby faults.
22 June 2011, 12:54 PM ET
To predict how large tsunamis can get, scientists need to look deep.
02 June 2011, 09:40 AM ET
Another twist added to tale of strange 'slow-motion' earthquakes.
26 May 2011, 04:24 PM ET
But predicting an earthquake is just about impossible with current methods.
24 May 2011, 12:37 PM ET
Japan's massive quake was a two-part rupture, researchers say.
18 May 2011, 03:14 PM ET
The atmosphere changed suddenly above the epicenter in the days before Japan's March 11 earthquake.
11 May 2011, 04:08 PM ET
The relatively low magnitude quakes caused significant damage.
11 May 2011, 02:30 PM ET
Thousands of Romans are fleeing Rome in fear of a massive earthquake that may or may not have been predicted by Raffaele Bendandi. A neuroscientist explains why.
10 May 2011, 02:35 PM ET
Quake could mix worst of 2010 Chile and Haiti earthquakes.
09 May 2011, 06:45 PM ET
A long-dead pseudoscientist named Raffaele Bendandi may or may not have predicted a massive earthquake in Rome on May 11. One USGS seismologist says it won't happen.
27 April 2011, 03:03 PM ET
Tornadoes more associated with region, but quakes have shaken here before.
20 April 2011, 02:07 PM ET
A number of devastating earthquakes, including the massive Japan quake, have struck across the globe in recent years, sparking fears that our planet is in an age of megaquakes and could expect more in the near future.
08 April 2011, 09:21 AM ET
The recent spate of large temblors may not signal more to come, but we're more vulnerable to them.
07 April 2011, 04:19 PM ET
Did a psychic really predict the aftershock that struck Japan today? Life's Little Mysteries explains why not.
25 March 2011, 10:52 AM ET
Mental first aid during a disaster can ease long-term psychological suffering.
22 March 2011, 03:07 PM ET
Long-planned tsunami drill falls just after Japan tragedy.
21 March 2011, 06:16 PM ET
Earthquakes do come in clusters, but that doesn't mean an earthquake will hit California soon, as some members of the press have claimed.