A) Pre-Meeting Field Trips

A1. Crater Lake and Newberry Volcano (Closed)

A2. Exploring pyroclastic density current deposits from the 18 May 1980 eruption of Mount St. Helens, Washington (Completely Filled; now closed)

A3. Holocene age dike-fed silicic domes and flows in Oregon and California
(Completely Filled; now closed)

A4. Mammoth Mountain, Long Valley Caldera, and the Bishop Tuff

A5. The lacustrine volcaniclastic deposits of the Ohanapecosh Formation, Washington (Cancelled)

A6. Volcaniclastic sediments from snow/ice-capped volcanoes: Mount St. Helens and Mount Hood (Closed)

A7. Eruptive history and magmatic system of Mount Hood, Oregon (Closed)

A8. Introduction to Kīlauea and Mauna Loa volcanoes, Hawai`i (Cancelled)

A9. Continental arc to rift volcanism of the Southern Rocky Mountains - Southern Rocky Mountain, Taos Plateau, and Jemez volcanic fields of southern Colorado and northern New Mexico (Closed)

A10. Volcanism and its interaction with snow and ice at Mount Rainier
(Now closed)

A11. Quaternary volcanism on the Yellowstone Plateau (Cancelled)

A12. Mount St. Helens---Recent and ancient volcaniclastic processes and deposits (Closed)


B) Mid-Conference Field Trips

B1. Mount St. Helens

B2. Mount Hood

B3. Columbia River Gorge

B4. Portland as a City on Volcanoes


C) Post-Meeting Field Trips

C1. Stratigraphic evolution, eruption history, and structure of the Columbia River Flood-Basalt Province (Closed)

C2. Mafic volcanism of the central Oregon Cascades (Closed)

C3. A volcanic transect of the Pacific Northwest

C4. Monitoring the Yellowstone Caldera: Geologic history, geothermal activity, earthquakes, and ongoing unrest (Closed)

C5. Volcanoes of the California Cascades (Closed)

C6. Mount St. Helens: An overview of the eruptive history and petrology, tephra deposits, 1980 pyroclastic deposits, and the crater (Completely Filled; now closed)

C7. Columbia River flood basalts, associated rhyolites, and diverse post-plume volcanism in eastern Oregon (Closed)