USGS/Cascades Volcano Observatory, Vancouver, Washington

REPORT:
Rockslide-Debris Avalanche of May 18, 1980, Mount St. Helens Volcano, Washington

-- Harry Glicken, 1996, Rockslide-Debris Avalanche of May 18, 1980, Mount St. Helens Volcano, Washington: USGS Open-File Report 96-677

This report provides a detailed picture of the rockslide-debris avalanche of the May 18, 1980, eruption of Mount St. Helens volcano. It provides a characterization of the deposit, a reinterpretation of the details of the first minutes of the eruption of May 18, and insight into the transport mechanism of the mass movement. -- Glicken, 1996

In HTML Format
In PDF Format ... (PDF's not 508 compliant)
- Preface
- Full Report -- 3.9 M, with graphics, No Plates
Plates - In PDF Format ... (PDF's not 508 compliant)
- Plate 1: -- Isopach map of debris-avalanche deposit -- 265 K
- Plate 2: -- Orientations of long axes of hummocks in the debris-avalanche deposit -- 163 K
- Plate 3: -- Morphologic map of debris-avalanche deposit -- 3.3. M
- Plate 4-A: -- Lithologic map of debris-avalanche deposit (Western Part) -- 1.5 M
- Plate 4-B: -- Lithologic map of debris-avalanche deposit (Eastern Part) -- 2.1 M
- Plate 5-A: -- Lithologic cross sections of debris-avalanche deposit (Western Part) -- 52 K
- Plate 5-B: -- Lithologic cross sections of debris-avalanche deposit (Eastern Part) -- 89 K
Other Menus of Interest
- Mount St. Helens Debris Avalanche Menu -- CVO Menu
- Mount St. Helens May 18, 1980 Menu -- CVO Menu
- Mount St. Helens Menu -- CVO Menu

URL for CVO HomePage is: <http://vulcan.wr.usgs.gov/home.html>
URL for this page is: <http://vulcan.wr.usgs.gov/Projects/Glicken/framework.html>
If you have questions or comments please contact: <GS-CVO-WEB@usgs.gov>
08/23/99, Lyn Topinka

REPORT: Rockslide-Debris Avalanche of May 18, 1980, Mount St. Helens Volcano, Washington

REPORT:
Rockslide-Debris Avalanche of May 18, 1980, Mount St. Helens Volcano, Washington