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USGS/Cascades Volcano Observatory, Vancouver, Washington

News and Current Events,
Information Announcements, and
Volcano Updates

Mount St. Helens, Washington, 2004
New growth of Mount St. Helens' dome
October 12, 2004.
Mount St. Helens dome with new growth.

Two press conferences will be held each day. One will be at the Joint Information Center (JIC) at 10:30, and the other at the Castle Lake Overlook on the road to the Coldwater Visitor Center at 1:00. The JIC location is at the Supervisor's Office of the Gifford Pinchot National Forest, 10600 N.E. 51st Circle, Vancouver, WA 98682.

Quick Links
Click button for CVO Cascade Range Current Activity Menu Current Update

Click button for Link to Univ. of Washington Mount St. Helens Seismicity Link to:   University of Washington Webicorders

Click button for CVO Mount St. Helens Current Images Current Images of Mount St. Helens
"user-friendly", with thumbnails, web-quality medium-size images (100K) and media-quality large-size images (2-3M),
NOTE: NO "real-time" images

Agency Links

Background Information
Past Updates, Advisories, and Information Statements for the Cascade Range

Alert Levels for the Cascade Range Volcanoes - Information

Alert Levels for the Cascade Range Volcanoes - Poster -- [PDF Format, 240K]

Location Map - Cascade Range Volcanoes

Seismic Signal Examples -- including a small gas and ash explosion -- [PDF Format, 915K]

Volcanic Ash Website -- "What it can do and how to prevent damage" -- Link

Volcanic Explosivity Index (VEI) information -- [PDF Format, 1.4M]

Background Information - Mount St. Helens
Mount St. Helens General Menu

Past Updates, Advisories, Information Statements, and Monthly Seismic Graphs for Mount St. Helens

Location Map - Mount St. Helens

Map - Mount St. Helens Hazards Zones -- [regional, large-scale, JPG Format, 467K, 1084x715pixels]

Mount St. Helens -- From the 1980 Eruption to 2000, USGS Fact Sheet FS036-00

Volcanic-Hazard Zonation for Mount St. Helens, Washington, 1995, USGS Open-File Report 95-497 -- Current Hazards Report

Media Advisory - Interior Secretary Gale Norton visit, October 2, 2004 -- [PDF Format]

MORE News and Current Events

  • Page Two
    New on this website, Office events, World-Wide volcanic information links, and MORE


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10/13/04, Lyn Topinka