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Peru earthquake: Small offshore earthquake rumbles Lima

A small earthquake hit Peru at 1:40 p.m. local time Tuesday, just off the coast near Lima, Peru's capital city. No injuries or damage have been reported.
Hawaii earthquake shakes but no tsunami (+video)

Hawaii earthquake: A magnitude 5.3 earthquake struck off the coast of the Big Island, causing no serious damage or injuries. But are more earthquakes coming as a new island forms?
6.8 Chile earthquake strikes off the coast

6.8 Chile earthquake: The USGS revised the original report of a 6.8 earthquake down to 6.5. The earthquake struck off Chile Monday morning. No tsunami warning was issued.
Pavlof Volcano ash cloud shows Alaska's threat to air travel (+video)

Ash billowing from Pavlof Volcano is not high enough to affect international air travel, but Pavlof is just one of a string of active Alaska volcanoes that sits beneath the flight corridor between the US and Asia.
Google Earth Engine unveils how Earth has altered

For the first time, the public can track back the environmental changes occurring on our planet's surface over time via Google Earth Engine.
NASA satellite snaps spectacular images of volcanic eruption

Launched in February and now 438 miles above the Earth's surface, NASA's Landsat Data Continuity Mission satellite took several photos of an erupting Indonesian volcano.
Energy Voices US oil boom means oil prices must drop, right? Wrong.

Even though production of oil from new fields in the U.S. is booming, there is a consistent decline in production from old fields around the world, and OPEC members have not increased production. Meanwhile, though demand for oil is falling in the US, it continues to grow around the world.
USA Update Cleveland Volcano explosions put air travel on alert: Who could be affected?

Cleveland Volcano in Alaska's Aleutian Islands sits under the flight corridor between North America and Asia, but so far, its new ash cloud is not big enough to ground planes.
6.4 earthquake strikes Papua New Guinea: No tsunami alert issued

6.4 earthquake rattled the South Pacific island nation Wednesday. No early reports of injuries or damage resulting from the magnitude 6.4 earthquake.
China's Sichuan province shaken by powerful quake

At least 124 people are reported dead and more than 2,600 injured, after a magnitude-6.6 earthquake struck China's Sichuan province Saturday. The area was also devastated by the 2008 magnitude-7.9 earthquake.
Texas fertilizer plant: Why was the blast so enormous?

The explosion at a Texas fertilizer plant had the force of a magnitude 2.1 quake. Here's a look at how the combination of fire and materials at the facility could have produced the blast.
Could mining bonanza be Afghanistan's next source of funding?

Afghanistan is weighing new regulations to extract its natural resources worth nearly $1 trillion. As foreign aid declines with the NATO forces withdrawal in 2014, this could bring the Afghan government new sources of income.
Death toll rising in firestorm at Texas fertilizer plant; sabotage discounted (+video)

First responders on Thursday continue to search buildings near a fertilizer plant in West, Texas, site of a fire and huge explosion that rocked the town Wednesday night. 'Like a nuclear bomb' is how the town's mayor described the blast.
6.8 earthquake: Strong, shallow quake shakes Papua New Guinea

A magnitude 6.8 earthquake shook the South Pacific islands of Papua New Guinea about 12 hours after a magnitude 7.8 earthquake killed dozens in Iran and Pakistan.
Iran earthquake, at least 7.7 magnitude, strikes along Iran-Pakistan border

Iran's Red Crescent said it was facing a 'complicated emergency situation' in the area, with at least 46 people in the sparsely populated region killed.
China cozies up to Iceland in race for Arctic resources

China has been paying a lot of attention to Iceland, a country with a population 1/5000th the size of its own, as an effort to stretch its influence into the Arctic Sea.
Iran earthquake kills 37, shakes nuclear power plant

A magnitude 6.3 earthquake in Iran struck near the Bushehr power plant, but company officials report no damage. The Iran earthquake was felt in countries across the Persian Gulf.
Warming Arctic: Receding ice leaves Hudson Bay polar bears less time to eat

Polar bears' territorial tendencies and the diminishing ice season on Hudson Bay are conspiring to leave the animals less time to eat, researchers say. This bodes ill for their ability to reproduce, and survive.
Washington sinkhole: What's with all the sinkholes anyway?

The appearance of a small sinkhole Tuesday has closed down an entire block in Washington D.C. Why are there so many sinkholes?
4.7 California earthquake rattles but no fatalities (+video)

4.7 California earthquake: The epicenter of the 4.7 magnitude earthquake is in southern California, near Anza.
Global News Blog China pushes for Arctic foothold, from a thousand miles away

As global warming pushes back the Arctic Sea ice, uncovering new natural-resource deposits, China is looking to establish its presence in the north.
Why are there so many sinkholes in Florida?

A combination of limestone geology, unstable rainfall patterns, and a rapidly growing population makes Florida more vulnerable to sinkholes.
Vanuatu earthquake: Powerful quake rattles Pacific island Vanuatu

The magnitude-6.1 quake struck Thursday afternoon. The Pacific Tsunami Warning Center did not issue a tsunami warning.
Russia meteor blast produced 2.7 magnitude earthquake equivalent

The meteor blast in the skies over Russia that injured hundreds and also triggered shaking that appeared on seismograph readings.
Energy Voices What's China doing in Greenland?

China’s drive to develop Greenland’s rare earths may be driven more by its economic than geopolitical interests, Rogers writes.