USGS/Cascades Volcano Observatory, Vancouver, Washington
Mount St. Helens, Washington -
Volcanic and Hydrologic Hazards
Current Hazards Report - 1995
Current Activity
Link to:
Current Seismicity
-- Link courtesy University of Washington Geophysics Program
Cascade Range Current Activity Updates
-- includes Mount St. Helens
Current Activity Menu
Current Hazards Report
Volcanic-Hazard Zonation for Mount St. Helens, Washington
-- 1995 Updated Hazards Assessment Report
-- Wolfe and Pierson, 1995
Special Items of Interest
Living With Volcanic Risk in the Cascades
-- Dzurisin, 1997
Map of Mount St. Helens Hazard Zones, October 2004
-- [PDF,280K]
Volcano-Warning Scheme for the Cascade Range Volcanoes
Items of Interest
Active and Potentially Active Volcanoes in Washington
-- Excerpt from: Wright and Pierson, 1992, USGS Circular 1073
ArcInfo Coverage - Washington State
-- 1995 Washington State On-Line Spacial Data Sets, includes Mount St. Helens
Current Hazards Report
-- 1995
Debris Avalanche - Menu
-- May 18, 1980
Distribution of May 18, 1980 ash fallout within the United States - Map
-- [Map,14K,InlineGIF]
-- From: Tilling, et.al., 1990
Earthquakes and Seismicity - Menu
Eruption Advisories and Emergency Response - Mount St. Helens - Menu
Floods and High Water - Menu
Glossary of Volcano and Hydrologic Hazards and Features
Hazards Assessment Reports and Maps - Menu
-- listing of all Cascade Range Current Hazards Assessment Reports, including Mount St. Helens
Hazards and Features and Terminology - Menu
Hazards Report and Map
-- Current 1995
Hydrologic Consequences of Hot-Rock/Snowpack Interactions and Mount St. Helens Volcano, Washington, 1982-84
-- Pierson (ed.), 1997, USGS Open-File Report 96-179
Hydrologic Hazards Monitoring at Mount St. Helens - Description
Lahars, Mudflows, and Debris Flows - Menu
Lava Dome - Menu
Living With Volcanic Risk in the Cascades
-- Dzurisin, 1997
Maps and Graphics - Volcano Hazards
Mount St. Helens area showing May 18, 1980 devastation - Map
-- [Map,21K,InlineGIF]
-- Modified from: Tilling, et.al., 1990
March 19, 1982 Lahar - Lahars Menu
May 18, 1980 Debris Avalanche - Menu
May 18, 1980 Lahar - Menu
Monitoring Menu - Mount St. Helens
Objective delineation of lahar-inundation hazard zones
-- Iverson, Schilling, and Vallance, 1998, GSA Bulletin v.110, no.8
CVO Photo Archives - Mount St. Helens Hazards
Potential Hazards from Future Eruptions of Mount St. Helens Volcano, Washington
-- Crandell and Mullineaux, 1978, USGS Bulletin 1383-C
Possible Future Behavior
Publications and Reports - CVO Menu
Publications and Reports - Mount St. Helens
September 16-17, 1997 Debris Avalanche/Debris Flow - Lahars Menu
Snowpack and Ice Accumulation - Mount St. Helens - Menu
Volcanic Event Notification at Mount St. Helens
-- Myers and Theisen, 1994, IN: USGS Bulletin 2047
Volcanic Gas Emissions - Mount St. Helens - Menu
Volcanic-Hazard Zonation for Mount St. Helens, Washington
-- 1995 Updated Hazards Assessment Report
-- Wolfe and Pierson, 1995, USGS Open-File Report 95-497
Volcanic studies at the U.S. Geological Survey's David A. Johnston Cascades Volcano Observatory, Vancouver, Washington
-- Brantley and Topinka, 1984, Earthquake Information Bulletin, v.16, no.2
Volcano and Hydrologic Hazards - Menu
-- general information about volcanoes and their associated hazards
Volcano-Warning Scheme for the Cascade Range Volcanoes
What are Volcano Hazards?
-- Myers, et.al., 1997
What To Do if a Volcano Erupts
Publications and Reports
Publications and Reports - Mount St. Helens
Useful Links
Useful Links - Washington State
-- includes Mount St. Helens
Other Menus of Interest
Mount St. Helens Volcano Menu
-- CVO Menu
Mount St. Helens Eruptive History Menu
-- CVO Menu
Volcano and Hydrologic Hazards Menu
-- CVO Menu
Hazards and Features and Terminology 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/Volcanoes/MSH/Hazards/framework.html>
If you have questions or comments please contact: <GS-CVO-WEB@usgs.gov>
10/01/04, Lyn Topinka