This website is a partial index to volcanoes with a last eruption less than 500,000 years ago.     Comparison of large tephra eruptions (includes many eruptions in western U.S.) Volcano References - information sources used for these pages.

 

This Ring of Fire site is owned by Bob Jensen The RING OF FIRE is managed by Nathan and Kristen Schneider You can be part of the RING OF FIRE

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