19 May 2010, 07:14 AM ET
The earth's mantle moves faster than sinking tectonic plates.
05 May 2010, 10:42 AM ET
Andrew Freed recently returned from Haiti, where he has been studying the stresses in Earth's crust before, during and after the earthquake.
28 April 2010, 09:23 AM ET
For tiny Devils Hole pupfish, startling video shows it must have felt like a "huge tsunami" when violent water-level oscillations from an earthquake 300 miles away disturbed the small ledge they live on.
14 April 2010, 08:18 AM ET
With the China earthquake today following several others in this year alone, some might wonder if Earth is shaking more.
14 April 2010, 05:06 AM ET
The earthquake that struck western China occurred in the middle of a plate within the Tibetan Plateau.
05 April 2010, 08:02 AM ET
The earthquake that struck south of the Mexico-U.S. border could mean better social and scientific ties, says one earthquake scientist.
05 April 2010, 05:05 AM ET
The earthquakes in Mexico and Chile are insignificant compared to the Earth's major forces.
02 April 2010, 03:56 AM ET
Icequakes shake glaciers in Alaska every day, sending out seismic waves similar to earthquakes.
26 March 2010, 06:24 AM ET
Geoscientists Chris Marone and Cristiano Collettini travelled to the Isle of Elba to sample a tectonic fault that breaks most of the rules of fault mechanics. Their work reveals why these faults slip.
23 March 2010, 05:46 AM ET
A laptop and PC-based network of seismic monitors are providing earthquake data to researchers and could become an early warning system if enough volunteers sign on.
11 March 2010, 12:09 PM ET
Just a few months into 2010, and Mother Nature has delivered a slew of costly and deadly natural disasters.
11 March 2010, 07:32 AM ET
Scientists who weren't in Chile during this morning's aftershocks nevertheless knew the moment the rumbling started, thanks to a global network of quake-detecting instruments called seismographs.
11 March 2010, 05:48 AM ET
The 7.2-magnitude aftershock that struck Chile isn't unusually following such a massive original earthquake.
03 March 2010, 06:09 AM ET
Reports of looting after the Chile earthquake might make it seem as though people are more selfish after a natural disaster. But experts say this is not this case.
02 March 2010, 11:06 AM ET
With the earthquake in Chile and other large quakes, you might be wondering where next.
02 March 2010, 04:57 AM ET
A map of Chile's coast shows an underwater trench where the Feb. 27 earthquake occurred.
27 February 2010, 07:35 AM ET
The Chilean earthquake is not outside the realm of normal, even though it comes on the heels of other major earthquakes.
27 February 2010, 04:46 AM ET
A tsunami warning has been issued for Hawaii by the Pacific Tsunami Warning Center.
29 January 2010, 08:03 AM ET
A 'tectonic weapon' under testing by the United States caused the Haiti earthquake, according to Venezuelan leader Hugo Chavez.
20 January 2010, 04:35 AM ET
The 6.1-magnitude earthquake that hit Haiti this morning was indeed a strong aftershock.
15 January 2010, 09:38 AM ET
Major earthquake in the United States could devastate cities in California, the Pacific Northwest, and the East Coast.
13 January 2010, 07:47 AM ET
Haiti earthquake caused by sliding of Earth's plates.
13 January 2010, 06:22 AM ET
How the Haiti earthquake happened, why it was so deadly, and what may happen next.
16 December 2009, 08:00 AM ET
Hard times are now bedeviling geothermal energy projects that risk triggering earthquakes as they delve miles deep into the Earth to tap clean and virtually limitless energy.
15 December 2009, 04:26 AM ET
Social media site could be new source of earthquake data for seismologists.
20 November 2009, 06:27 AM ET
A wireless "backbone" in the wilderness brings the power of the internet to remote locations.
14 November 2009, 07:02 PM ET
Engineers will test a scaled-down shipping crane to massive earthquake forces.
04 November 2009, 08:04 AM ET
small earthquakes in the New Madrid seismic zone may actually be aftershocks from the large earthquakes that occurred there in 1811 and 1812
09 October 2009, 07:44 AM ET
An engineer studies ways to make coastal cities tsunami-resistant
30 September 2009, 04:04 PM ET
Even before the first warning was issued, it was too late for the inhabitants of the island American Samoa.
30 September 2009, 11:06 AM ET
Study finds large quakes can weaken faults around the world.
30 September 2009, 09:07 AM ET
Multiple strong earthquakes in one year not unusual, though effects and damage can differ.
29 September 2009, 12:24 PM ET
How deep-sea earthquakes can generates devastating walls of water.
29 September 2009, 11:20 AM ET
A major earthquake struck in the Somoa Islands region of the South Pacific Ocean.
11 September 2009, 11:57 AM ET
In Miki, Japan, a six-story wooden model condominium was shaken by the equivalent of a 7.5 magnitude earthquake. The test was said to be the largest simulated earthquake ever attempted with a wooden structure.
09 September 2009, 09:05 AM ET
Engineers are designing buildings that pull themselves back into plumb as soon as the shaking stops, confining damage to replaceable steel "fuses."