Great Sitkin 3700 yBP

Start: 3700 yBP [1]

Stop: 3400 yBP [1]

Event Type: Explosive

Event Characteristics:
  • Tephrafall [1]

Description: From Waythomas and others (2003): "Pumice lapilli tephra deposit (Sandwich ash?)."
Note that Waythomas and others (2001) suggest that Moffett is the source of the Sandwich ash. Unclear whether this ash is indeed the Sandwich ash (i.e. erupted by Moffett and deposited on Great Sitkin), or an ash erupted by Great Sitkin and incorrectly thought to be the Sandwich ash.

References Cited

[1] Preliminary volcano-hazard assessment for Great Sitkin Volcano, Alaska, 2003

Waythomas, C. F., Miller, T. P., and Nye, C. J., 2003, Preliminary volcano-hazard assessment for Great Sitkin Volcano, Alaska: U.S. Geological Survey Open-File Report 03-0112, 25 p., 1 sheet.
full-text PDF 18.5 MB

Complete Eruption References

Preliminary volcano-hazard assessment for Great Sitkin Volcano, Alaska, 2003

Waythomas, C. F., Miller, T. P., and Nye, C. J., 2003, Preliminary volcano-hazard assessment for Great Sitkin Volcano, Alaska: U.S. Geological Survey Open-File Report 03-0112, 25 p., 1 sheet.
full-text PDF 18.5 MB
map sheet plate (PDF) 2 MB
Hard Copy held by AVO at FBKS - CEC shelf
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