Intermountain West Region

Aerial view of Holocene fault scarp on the Wasatch fault, near American Fork Canyon, Utah The differential motion between the North American, Pacific, and Juan de Fuca plates is causing deformation... 

Earthquakes

Magnitude 5.7 – NORTHERN IRAN

Magnitude 5.7 – NORTHERN IRAN 2010 August 27 19:23:48 UTC Earthquake Details This event has been reviewed by a seismologist. Magnitude 5.7 Date-Time Friday, August 27, 2010... 

• Magnitude 6.4 – BOUGAINVILLE REGION, PAPUA NEW GUINEA
• Earthquakes

Volcanoes

Volcano quiet for 400 years erupts in Indonesia

Mount Sinabung spews volcanic materials into the sky in Karo, North Sumatra, Indonesia, Monday, Aug. 30, 2010. The volcano that had been dormant for more than four centuries erupted for the... 

• ECUADOR – Tungurahua volcano
• Volcanoes

Tsunamis

Tsunami and Earthquake Reporting

TALCA, Chile — One of the largest earthquakes ever recorded tore apart houses, bridges and highways in central Chile on Saturday and sent a tsunami racing halfway around the world. Chileans... 

Geological Hazards

Intermountain West Region

Aerial view of Holocene fault scarp on the Wasatch fault, near American Fork Canyon, Utah The differential motion between the North American, Pacific, and Juan de Fuca plates is causing... 

• Reducing Hazards in the Central and Eastern U.S.
• Assessing the Seismic Hazards of Afghanistan

Instability

Landslides

Very gradual ground shifts are known to precede major landslides. Often these are on a scale of millimetres – too slight to even be noticed by local observers, but enough to be detected... 

Science

Volcanoes in Lacus Mortis

Most of the craters on the Moon formed through impact processes. However, some craters, like the one visible in this portion of LROC NAC frame M131488521R, may be a volcano summit pit crater.... 

• Bright Lights
• A Strange Ring Galaxy

Technology

Mars rover Curiosity to seek answers (images)

NASA got a great deal of mileage out of the Mars rovers Spirit and Opportunity, which have lasted far longer than the 90 days originally expected of them when they landed in January 2004.... 

Environment

Why Antarctic Sea Ice Is Growing in a Warmer World

A leopard seal rests on Antarctic sea ice between penguin-hunting forays. Photograph by Paul Nicklen, National Geographic Christine Dell’Amore National Geographic News Published August... 

• Watch out for Yellowstone bears — they’re hungry
• Dozens of whales die after 58 are stranded on New Zealand beach