Earth Sciences

Earth Sciences

Earth's oldest known impact crater found in Greenland

The spectacular craters on the Moon formed from impacts with asteroids and comets between 3 and 4 billion years ago. The early Earth, with its far greater…

Earth Sciences

New Book Looks at Hotspots Around the World for Mega-Quakes

One week later, a magnitude 7 earthquake destroyed Port au Prince, killing hundreds of thousands of people and devastating the economy of Haiti.The clock is…

Earth Sciences

Research Vessel Concludes Vietnam Visit for Ocean Study

Owned by the Office of Naval Research (ONR) and operated by the Scripps Institution of Oceanography, the advanced research vessel arrived in Vietnam June 22. Its visit highlights partnership between ONR and the Vietnamese Ministry of Science and Technology as part of a five-year research endeavor, the Joint Vietnam-U.S. Research Program on the Oceanography of the Vietnamese East Sea and Land-Ocean Interaction….

Earth Sciences

UCSB Study Reveals Tsunami Risks in Northwestern California

The paper, “Paleoseismicity of the Southern End of the Cascadia Subduction Zone, Northwestern California,” was co-written by professors Edward Keller and…

Earth Sciences

Alvin Submersible’s New Titanium Sphere Passes Pressure Test

The human-occupied submersible Alvin reached a major milestone in its upgrade project on June 22 when its new titanium personnel sphere successfully completed…

Earth Sciences

NASA Satellites Capture Colorado Wildfires in Stunning Detail

The Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA's Aqua satellite captured this natural-color image on June 23, 2012. Red outlines approximate…

Earth Sciences

NASA Satellite Captures Newborn Tropical Depression Doksuri

The Moderate Imaging Spectroradiometer (MODIS) instrument onboard NASA's Terra satellite as captured an infrared image of the newborn storm on June 26 at 0228…

Earth Sciences

Caltech Scientists Discover New Mineral in Allende Meteorite

More than 40 years later, the Allende meteorite is still serving the scientific community as a rich source of information about the early stages of our solar…

Earth Sciences

NASA measuring Tropical Storm Debby's heavy rains from space

The Tropical Rainfall Measuring Mission (TRMM) satellite is basically a flying rain gauge in space. Scientists use TRMM data to calculate rainfall rates and…

Earth Sciences

Greenland Ice Study Challenges Ancient Climate Indicators

But the method — comparing the ratio of oxygen isotopes buried as snow fell over millennia — may not be such a straightforward indicator of air temperature.“We…

Earth Sciences

NASA Sees Tropical Storm Debby's Clouds Blanket Florida

Two satellites have captured imagery that shows Tropical Storm Debby has thrown a large white blanket of clouds over the state of Florida, and it doesn't seem…

Earth Sciences

Mercury Mineral Evolution: From Dust to 4,500+ Species

A dozen different species in interstellar dust particles that formed the solar system have evolved to more than 4500 species today. Previous work from…

Earth Sciences

Sea-Level Rise Projections in a 2-Degree Warming Scenario

Even if global warming is limited to 2 degrees Celsius, global-mean sea level could continue to rise, reaching between 1.5 and 4 metres above present-day…

Earth Sciences

Innovative Solutions for Wetland Conservation in Africa

Wetlands like the Okavango Delta in southern Africa play an important role ecologically and economically. Not only do they provide a habitat for numerous…

Earth Sciences

Climate Change Impacts on South Asian Summer Monsoon

A review in Nature Climate Change (June 24 online issue) of over 100 recent research articles concludes that with continuing rise in CO2 and global warming,…

Earth Sciences

NASA Satellite Detects Major Fires in Western U.S.

NASA's Aqua satellite captured smoke and heat signatures from several large fires burning in the western U.S. on June 19, 2012. When Aqua passed overhead, the…

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