Smithsonian Institution and the USGS - Weekly Volcanic Activity Report
the latest information covering the previous week ... updated by 2300 UTC every Wednesday ... information posted on these pages is preliminary and subject to change as events are studied in more detail ... this is not a comprehensive list of all of Earth's volcanoes erupting during the week, but rather a summary of activity at volcanoes that meet criteria discussed in detail in the Criteria and Disclaimers section -- link courtesy of the Smithsonian Institution Global Volcanism Program with the USGS

NOAA VAAC - Volcanic Ash Advisory Center
volcanic ash advisories, including maps and graphics ... five most recent messages are listed first, followed by an alphabetical listing by volcano name -- link courtesy NOAA

Volcano World - Update on Current Volcanic Activity
List spans last couple of years, most current activity at the top -- link courtesy of Volcano World

University of Wisconsin -
Space Science and Engineering Center's "Volcano Watch" Page
Satellite Images of 10 World-Wide Active Volcanoes -- link courtesy University of Wisconsin

Volcano Hazards Program -
Current USA Volcanic Activity Information
Brief synopsis of the status of various USA Volcanoes, covering Alaska, Hawaii, the Cascade Range, and Long Valley

Alaska Volcano Observatory
Click on "Updates", covers current eruptive activity in Alaska

Hawaii Volcano Observatory
Click on "Eruption Updates", covers current eruptive activity in Hawaii

Cascades Volcano Observatory - Mount St. Helens
The latest at Mount St. Helens, monthly updates since 1995

Cascades Volcano Observatory - Cascade Range
The latest at all the Cascade Range Volcanoes, since November 2000

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