June 20, 2018
Energy Notes: November 2008-2009
U.S. Oil & Petroleum Imports (millions of barrels per day) Oil and petroleum imports data are preliminary numbers taken from the American …
The EARTH archive
March 2010
Explore the archive by subject.
14 articles · Page 1 of 1
June 14, 2018
Mineral Resource of the Month: Cesium
Marc A. Angulo, a mineral commodity specialist for the U.S. Geological Survey, compiled the following information on cesium, a metal used in …
May 23, 2018
Down to Earth With: Sharon Mosher
Sharon Mosher was born with a rock in her hand, as her mom used to say. As a child in Illinois, she was fascinated by geology, conducting mineral …
October 26, 2015
The Washington Monument's Apex
An aluminum pinnacle has graced the Washington Monument since 1884, but subsequent modifications have changed the look of the point. In 1885, …
October 26, 2015
March 23, 1821: Bauxite Discovered
Compared to gold, silver, lead and copper — metals that people have extracted, refined and used for millennia — aluminum is a relative newcomer. …
January 20, 2012
Voices: Redefining humanity through energy use
What is it, exactly, that distinguishes us from other species? The definition of humankind has perplexed scientists, philosophers and theorists …
January 5, 2012
Temblor flattens Turkish towns
A magnitude-6.0 earthquake struck eastern Turkey at 4:32 a.m. local time Monday. The quake was centered in Elazig province about 625 kilometers …
January 5, 2012
Shell-shocked: How different creatures deal with an acidifying ocean
To survive in the ocean, soft-bodied organisms must possess one of five traits: big teeth, toxic flesh, invisibility, quickness or a hard shell. …
January 5, 2012
Scientists find watery super-Earth
The search for Earth-like planets has never looked better. Scientists say they have discovered a water-rich planet that is only 2.7 times larger …
January 5, 2012
Pacific Northwest earthquake threat heightened?
At any given time, a massive earthquake could strike the coast of the northwestern United States and southwestern Canada, the site of the …
January 5, 2012
Geomedia: Twitter gives heads-up to users and officials about earthquakes
Twitter stirs up a wide range of reactions — it’s hailed as a vital social networking service by some, despised as the ultimate waste of time by …
January 5, 2012
Closing Istanbul's seismic gap
Since 1939, a progression of deadly earthquakes has been marching westward across Turkey’s North Anatolian Fault, stalking the mega-city …
January 5, 2012
Chile's quake larger but less destructive than Haiti's
On Feb. 27, at 3:34 a.m. local time, a magnitude-8.8 earthquake struck offshore Maule, Chile, 325 kilometers southwest of the capital, Santiago. …
January 5, 2012
A history of "Big Ones"
The last time Chile experienced an earthquake larger than magnitude 8.8 was on May 22, 1960, when a magnitude-9.5 earthquake rocked the South …