Seguam 1700 yBP
Start: 1700 yBP ± 500 Years [1]
Event Type: Explosive
- Lava dome [1]
Description: From Jicha and Singer (2006): "The 1710 dome (str), the westernmost outcrop of postcollapse rhyolites, abuts the southern margin of the crater rim. Glass + magnetite + orthopyroxene + whole rock from this dome gave a U-Th mineral isochron age of 1.7+/-0.5 ka (Jicha and others, 2005)."
References Cited
[1] Volcanic history and magmatic evolution of Seguam Island, Aleutian island arc, Alaska, 2006
Jicha, B.R., and Singer, B.S., 2006, Volcanic history and magmatic evolution of Seguam Island, Aleutian island arc, Alaska: Geological Society of America Bulletin, v. 118, n. 7-8, p. 805-822.Complete Eruption References
Volcanic history and magmatic evolution of Seguam Island, Aleutian island arc, Alaska, 2006
Jicha, B.R., and Singer, B.S., 2006, Volcanic history and magmatic evolution of Seguam Island, Aleutian island arc, Alaska: Geological Society of America Bulletin, v. 118, n. 7-8, p. 805-822.
