Totally Lunar! The Eclipse on Sunday Night, January 20, 2019 January 22, 2019 eclipse lunar penumbra refraction super blood wolf moon umbra +
Satellites at Bennu and "Ultima Thule" January 03, 2019 Apollo asteroid asteroid asteroid belt dwarf planet KBO Kuiper Belt object near-Earth asteroid New Horizons Nile Valley satellite Ultima Thule +
The Geology of the Okanogan Region! March 22, 2018 accretion Challis arc Challis volcanics detachment fault graben Laurentia metamorphic core complex Okanogan Okanogan lobe plate tectonics Quesnellia terrane +
Geologic Hazards on Whidbey Island February 21, 2018 active fault Chuckanut sandstone earthquake geologic hazards field trip glaciation landslide liquefaction Northwest Geological Society Puget Sound tsunami Whidbey Island +
Landslides in eastern Washington January 05, 2018 Bruce Bjornstad landslide Nile Valley Nile Valley landslide Rattlesnake Hills landslide Rattlesnake Ridge Rattlesnake Ridge landslide Stephen Reidel Union Gap Union Gap landslide Yakima +