Cascades Volcano Observatory, Vancouver, Washington

Black Butte, California

• Black Butte Volcano
  -- Geographic Setting, Geologic and Eruptive History
  Two of the main eruptive centers at Mount Shasta, the Shastina and Hotlum cones were constructed during Holocene time, which includes about the last 10,000 years. Holocene eruptions also occurred at Black Butte, a group of overlapping dacite domes about 13 kilometers west of Mount Shasta. ... The extrusion of the domes about 9,500 years ago was accompanied by the formation of pyroclastic flows which extended more than 10 kilometers south and 5 kilometers north of the domes. -- Excerpt from: Miller, 1980, USGS Bulletin 1503

• Mount Shasta Volcano
  Nearby neighbor

[Map,22K,InlineGIF]
Mount Shasta and Vicinity
-- Modified from: Miller, 1980, USGS Bulletin 1503

• Shasta-Trinity National Forest -- U.S. Forest Service websites, scroll to desired Forest
• MORE Useful Sites -- CVO Menu, includes links to Volcano Info, Seismicity, Hydrology, etc.

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