Images

Students climb out of ravine on north flank of Augustine Volcano during descent from sampling the 2006 lava flow during 2010 summer field campaign.

A massive Coulter pine that was burned in the 2007 Lake Arrowhead/Grass Valley wildfires stands alone on a hillside regrown with Manzanita, dwarfing USGS Western Ecological Research Center director Steven Schwarzbach.

Arenal Volcano is surrounded by inhabitants despite being extremely active.

A channelized flow was being erupted today from the vent on the west side of the floor of Pu'u 'O 'o.

A close-up of the active lava surface in Halema'uma'u.

Cattle Ranch with typically 100 head of cattle currently flooded from the spring melt of higher than average snow accumulation.

The Boulder magnetic observatory. Variations and Proton Sensor buildings at the lower right.

The May 12, 2008, Great Sichuan Earthquake, also called the Wenchuan Earthquake, occurred at 14:28 local time, in Sichuan Province, China. The earthquake magnitudes were Mw = 7.9 (USGS), Ms = 8.0 (Chinese Earthquake Administration). The epicenter was 80 km west-northwest of Chengdu, the capital city of Sichuan province.

Damage to a house in Louisa County, Virginia, after a magnitude 5.8 earthquake on August 23, 2011.

Sunset as seen through the smoke of a prescribed burn in the Jemez Mountains, New Mexico. The burn was conducted to restore fire as an ecosystem process and reduce hazardous tree densities and fuel loads due to more than 100 years of fire suppression. Foreground trees (Douglas-fir and aspen) were killed during the Cerro Grande fire in 2000.

Photo of Redoubt and vicinity taken from the gas/obs fixed-wing flight. 

Damage to village house. Longmenxiang.