BibleClass123.com, Three Sisters, Oregon, USA

News and Current Events
- West Uplift - Menu -- Information, Updates, Links, etc.
- Information Statement, April 11, 2007
Current Activity
- Link to: Current Seismicity -- Link courtesy University of Washington Pacific Northwest Seismic Network
- Link to: Continuous GPS monitoring at the Three Sisters Volcano in central Oregon -- Link courtesy USGS Menlo Park
- Cascade Range Current Activity Update -- includes the Three Sisters
- Three Sisters Current Activity Information and Archives
Background and Information
- DESCRIPTION: Three Sisters Volcanoes -- Geographic Setting, Geologic and Eruptive History -- includes Broken Top ... Cayuse Crater ... Collier Glacier ... Eruptive History ... "Faith", "Hope", and "Charity" ... High Cascades ... Le Conte Crater ... Middle Sister ... North Sister ... Rock Mesa ... Shevlin Park Tuff ... South Sister ... Three Sisters ... Volcanic Background ... Volcano Monitoring ...
Current Hazards Report
- CURRENT 1999 HAZARDS REPORT: Volcano Hazards in the Three Sisters Region, Oregon
Special Items of Interest
- Visit A Volcano - Three Sisters Vicinity -- points of interest, maps, links, etc.
Maps, Graphics, and Images
- Maps and Graphics - Three Sisters
- Maps and Graphics - Oregon
- CVO Photo Archives - Three Sisters
- Annotated NASA Images-- includes Three Sisters
Publications and Reports
- Publications and Reports - Three Sisters
Items of Interest
- Active and Potentially Active Volcanoes in Oregon -- Excerpt from: Wright and Pierson, 1992, USGS Circular 1073, includes South Sister
- Annotated NASA Images - Menu-- includes the Three Sisters
- Archives - Current Activity Information and Archives
- Broken Top Volcano - Menu -- close neighbor of the Three Sisters
- Cascade Range Current Activity Updates -- includes the Three Sisters
- Cascade Range Current Update, September 13, 2005 -- includes South Sister Field Work Information
- Cascade Range Current Update, March 24, 2004 -- includes South Sister Information Update
- Cascades Eruptions During the Past 4000 Years - Graphic -- [Graphic,70K,InlineGIF] -- includes South Sister
- Cascade Range Volcanoes and Volcanics - Menu -- general information about the Cascade Range Volcanoes and Volcanic Activity, including the Three Sisters
- Central Oregon High Cascades - Description
- Central Oregon High Cascades - Menu -- general information on Oregon's "High Cascades" Volcanoes, including the Three Sisters
- Collier Glacier, Middle Sister - Description
- Link to: Continuous GPS monitoring at the Three Sisters Volcano in central Oregon -- Link courtesy USGS Menlo Park
- Current Activity Information and Archives
- Current Seismicity - Link [04/04] -- Link courtesy University of Washington Pacific Northwest Seismic Network
- Debris Flows from Failures of Neoglacial-Age Moraine Dams in the Three Sisters and Mount Jefferson Wilderness Areas, Oregon -- O'Conner, et.al., 2001, USGS Professional Paper 1606.
- Dee Wright Observatory -- view the Three Sisters from the roof
- Deformation Project - CVO Project Menu -- general information about the Volcano Deformation Project, including the monitoring of South Sister
- Earthquakes and Seismicity - Menu
- Eruptive History - Menu -- Three Sisters Eruptive History Menu
- Eruptive History -- Excerpt from: Scott, et.al., 2001
- Eruptive History of Three Sisters region during past 15,000 years - Graphic -- [Graphic,18K,InlineGIF] -- Modified from: Scott, et.al., 2001, USGS Open-File Report 99-237
- "Faith", "Hope", and "Charity"
- Field Trip Guide to the Central Oregon High Cascades -- Scott and Garnder, 1990, Oregon Geology, v.52, n.5 and n.6 -- includes Three Sisters Region
- Geographic Setting
- Geologic Map of Upper Eocene to Holocene Volcanic and Related Rocks of the Cascade Range, Oregon -- Sherrod and Smith, 2000, I-2569
- Glaciers and Glaciations - Description
- Hazards - Menu -- Three Sisters Volcano and Hydrologic Hazards Menu
- Hazards Report and Map -- Current 1999
- Holocene Rhyodacite Eruptions on the Flanks of South Sister Volcano, Oregon -- Scott, W.E., 1987, IN: Fink, J.H., (ed.), 1987, GSA Special Paper 212
- Ice Volumes on Cascade Volcanoes; Mount Rainier, Mount Hood, Three Sisters, and Mount Shasta -- Driedger and Kennard, 1986, PP 1365
- Information Statement, April 11, 2007
- Information Statement, December 14, 2005
- Information --- Cascade Range Current Update, September 13, 2005 -- includes South Sister Field Work Information
- Information Statement, March 24, 2004
- Information --- Update, March 18, 2002
- Information Statement, September 12, 2001
- Information Statement, May 8, 2001
- InSAR Monitoring - West Uplift - Menu
- Mafic Volcanoes and Volcanic Fields - Description -- general information about Mafic Volcanoes and Volcanic Fields, including the Three Sisters - Mount Bachelor Region
- Mafic Volcanoes and Volcanic Fields - Menu -- general information about Mafic Volcanoes and Volcanic Fields, including the Three Sisters - Mount Bachelor Region
- Maps and Graphics - Three Sisters
- Maps and Graphics - Oregon
- Measurements of slope distances and zenith angles at Newberry and South Sister Volcanoes, Oregon, 1985-1986 -- Iwatsubo, Topinka, and Swanson, 1988, USGS Open-File Report 88-377
- Monitoring - Menu -- Three Sisters Monitoring Menu
- Oregon Volcanoes and Volcanics - Menu -- general information about Oregon Volcanoes and Volcanic Activity, including the Three Sisters
- Pacific Northwest Seismograph Network -- includes Maps, and link to the University of Washington's Geophysics Program
- CVO Photo Archives - Three Sisters
- Precise level lines at Crater Lake, Newberry Crater, and South Sister, Oregon -- Yamashita and Doukas, 1987, USGS Open-File Report 87-293
- Publications and Reports - Three Sisters
- Seismicity - Menu
- South Sister Volcano: A Network of Short Traverses to Determine Tilt Changes -- Excerpt from: Dzurisin, 1992, Geodetic Leveling as a Tool for Studying Restless Volcanoes: IN: USGS Bulletin 1966
- Three Sisters Eruptive History -- Excerpt from: Scott, et.al., 2001
- Three Sisters Volcanoes - Description -- Geographic Setting, Geologic and Eruptive History
- Three Sisters Volcanoes - Visit A Volcano -- includes information, maps, links, etc.
- Visit a Volcano - Three Sisters -- includes information, maps, links, etc.
- Volcanic Fields and Mafic Volcanoes - Description -- general information about Mafic Volcanoes and Volcanic Fields, including the Three Sisters - Mount Bachelor Region
- Volcanic Fields and Mafic Volcanoes - Menu -- general information about Mafic Volcanoes and Volcanic Fields, including the Three Sisters - Mount Bachelor Region
- Volcano Deformation Project - CVO Project Menu -- general information about the Volcano Deformation Project, including the monitoring of South Sister
- Volcano Hazards in the Three Sisters Region, Oregon -- Scott, Iverson, Schilling, and Fischer, 2001, USGS Open-File Report 99-437
- Volcano Names -- includes Three Sisters
- West Uplift - Menu -- includes InSAR monitoring
Useful Links
- Useful Links - Oregon -- includes Three Sisters
Other Menus of Interest
- Cascade Range Volcanoes Menu -- CVO Menu
- Central Oregon High Cascades Menu -- CVO Menu
- Mafic Volcanoes - Volcanic Fields Menu -- CVO Menu
- Oregon Volcanoes Menu -- CVO Menu