EPOD - a service of USRA

08/18/19 Archive - Natural Arches of Kachemak Bay, Alaska

08/17/19 Encore - Sand Spike Concretion

08/11/19 Archive - Lake Lenore Caves

08/08/19 Providence Canyon, Georgia

08/04/19 Archive - Obsidian in Pennsylvania

08/02/19 Fire Wave and Valley of Fire State Park

07/28/19 Archive - Thin Section of Allende Meteorite

07/27/19 Encore - Klyuchevskoy Eruption

07/21/19 Archive - Entrada Sandstone

07/14/19 Archive - Geological Rainbow

07/06/19 Encore - Run Rigs at Clachtoll, Scotland

06/30/19 Archive - Deposition Gap in Badlands National Park

06/23/19 Archive - Flying Buttress Formation

06/13/19 Utah and Idaho’s Colorful Bear Lake

06/09/19 Archive - Lithified Sand Dunes in Zion National Park

06/05/19 Breaking Geodes

06/03/19 Unnamed Slot Canyon in Valley of Fire State Park, Nevada

06/02/19 Archive - Multnomah Falls

05/26/19 Archive - Pebbles from Inverkirkaig Bay Scotland

05/21/19 Drainage and Hillslope Erosion

05/19/19 Archive - Coral Pink Sand Dunes State Park

05/12/19 Archive - Ripple Marks in Gower Gulch

05/08/19 Weathering in the Desert

04/28/19 Archive - Lapporten Mountain Gate

04/25/19 Tamanowas Rock

04/24/19 British Columbia’s Dutch Creek Hoodoos

04/21/19 Archive - Accretionary Lapilli

04/14/19 Archive - Debris Flow Caused by Dirt Cracking

04/13/19 Encore - The Wave

04/07/19 Archive - Panoramic View of Pian della Mussa in Italy

04/04/19 Triassic Layering in Ischigualasto Provincial Park, Argentina

03/31/19 Archive - Sampling the Bedrock

03/25/19 Arizona’s Agathla Peak

03/24/19 Archive - Glen Ogle Landslide

03/17/19 Archive - Bull Valley Slot Canyon and Truck Wreck

03/16/19 Encore - Deep-water Turbidites

03/14/19 The First Cataract on the Nile River

03/04/19 The Grand Staircase in Arizona and Utah

03/03/19 Archive - Snow Capped Dunes in the Desert

02/20/19 Triassic Gypsums in the Secchia River Valley

02/17/19 Archive - Roches Moutonnée on Cadair Idris, Wales

02/16/19 Encore - Folding and Faulting in the Calico Mountains

02/10/19 Archive - Hiking Down the Grand Canyon

02/09/19 Encore - Nahal Perazim Gorge

02/05/19 Caldera of Sierra Negra on Isabela Island

02/03/19 Archive - Dead Sea Sinkholes

02/02/19 Encore - Poipu Beach Tombolo

01/31/19 Photomicrograph of Bioclastic Limestone

01/26/19 Encore - Famous Landmarks on the Island of Skye

01/20/19 Archive - Vasquez Rocks