M6.1 Earthquake on the Pacific-Antarctic Ridge
January 15, 2013 | USGS Earthquake Hazards Program
Earthquakes stronger than M6.0 are unusual on a mid-ocean ridge.
USGS reports that a M6.1 earthquake occurred on the Pacific-Antarctic Ridge today at about 11:00 AM local time.
Time-Lapse Views of Yosemite
March 18, 2014 | National Geographic
National Geographic shares Yosemite HD II, a four minute video that shows time-lapse night and day views of Yosemite National Park.
New Aerial Photos of Arizona
October 30, 2013 | Arizona Geology
The latest statewide aerial photo coverage of Arizona from the National Aerial Imagery Program (NAIP) is complete and currently ready for distribution on the APFO Public web server.