EPOD - a service of USRA

12/10/18 Iceland's Mid-Atlantic Ridge

12/09/18 Archive - Mount Hood and Mirror Lake

12/08/18 Encore - Campo Imperatore

12/05/18 Las Cañadas Caldera on Tenerife Island

12/02/18 Archive - Source Rock for the World's Largest Oil Field

11/29/18 Basalt, Lava and Lichen at Gooseberry Falls State Park

11/28/18 Geothermal Energy in Iceland

11/23/18 Samaria Gorge on the Island of Crete

11/18/18 Archive - Thrust Faulting and Folding in the Chitano River Valley of Colombia

11/17/18 Encore - Tarn and Moraine of Schoolroom Glacier

11/16/18 Lake Malawi

11/11/18 Archive - Chimney Rock in Kodachrome Basin, Utah

11/05/18 Time and Tide and the Oregon Dunes

11/04/18 Archive - Craters of the Moon Lava Field

11/03/18 Encore - February 24, 2013 Eruption of Sakurajima

10/31/18 Waning Crescent Moon and Castle Gleiberg

10/29/18 Differential Erosion in Paparoa National Park

10/28/18 Archive - Stained Granite at The Hazards, Tasmania

10/22/18 Hvítserkur, an Iceland Sea Stack

10/21/18 Archive - Lichen on Mount Etna

10/16/18 Bishop Lakes and Specular Reflection

10/15/18 Golden Moon and Pink Sky above Niagara Falls

10/14/18 Archive - Hot Spring Near Hveragerdi, Iceland

10/13/18 Encore - Glomerocryst Photomicrograph

10/11/18 Isla de los Estados, Argentina

10/07/18 Archive - McDonald Creek, Montana

10/01/18 The White Cliff of Alta, with Autumn Gold

09/30/18 Archive - Mono Lake Tufa Towers

09/23/18 Archive - The Old Man of Storr, Scotland

09/20/18 Washington Roadcut and Mount Mazama Ash

09/16/18 Archive - Shiprock, New Mexico

09/15/18 Encore - Crossing the Snake

09/11/18 The Helmet

09/09/18 Archive - Great Salt Lake Causeway

09/08/18 Encore - Gilded Light of Glen Canyon

09/04/18 Montana’s Majestic Chief Mountain

08/31/18 Mount Erebus

08/29/18 Mature Alluvial Fan

08/26/18 Archive - Gennargentu Mountain Chain on the Island of Sardinia

08/25/18 Encore - February 19, 2013 Eruption of Mount Etna

08/21/18 Passo dello Stelvio

08/19/18 Archive - Great Falls of the Potomac and the Potomac River Gorge

08/10/18 The Incredible Shrinking Glacier

08/09/18 Canada’s "Inconceivable" Castle Mountain

08/06/18 Cool Crystal Geyser

08/05/18 Archive - Hverfjall Crater, Iceland

08/01/18 Gneiss Smile

07/24/18 Angular Unconformity in the Grand Canyon

07/22/18 Archive - Unconformity at Frijoles Canyon in Bandelier National Monument

07/15/18 Archive - Lembert Dome, Yosemite National Park