Lava Flows
Lava Flows
Filter Total Items: 4
Columbia River Basalt Group Stretches from Oregon to Idaho
The Columbia River Basalt Group (CRBG) is the youngest, smallest and one of the best-preserved continental flood basalt province on Earth, covering over 210,000 km2 of mainly eastern Oregon and Washington, western Idaho, and part of northern Nevada.
The Boring Volcanic Field — Hills of the Portland Basin
Non-enthusiasts may consider the Boring Volcanic Field aptly named, but the title comes from its location, not from a lack of interesting characteristics.
Volcano Hazards in the Cascade Range
The U.S. Geological Survey's Cascades Volcano Observatory strives to serve the national interest by helping people to live knowledgeably and safely with volcanoes in WA, OR, and ID.
Lava Flows, Domes, and Pyroclastic Flows Build Cascade Volcanoes
Cascade Range stratovolcanoes are built as repeated eruptions accumulate hundreds of overlapping lava flows, lava domes, and layers of rock rubble from pyroclastic flows.