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Addington volcanic field

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5 km
5 mi
Leaflet U.S. Department of the Interior | U.S. Geological Survey | Policies

Facts

  • Seismically Monitored: No
  • Color Code:
  • Alert Level:
  • Elevation: -74m (-242ft)
  • Latitude: 55.44
  • Longitude: -134.17
  • Smithsonian VNum: 315055
  • Nearby Towns:

Description

The Addington volcanic field consists of a submarine probable maar or crater with associated subtle volcanic cones [1] [2] . This field lies offshore west of Cape Addington in Southeast Alaska. The crater is about 1 km wide and nearly circular in shape; the rim is about 243 feet (74 m) below sea level, and the crater floor is about 1195-951 feet (364-290 m) below sea level. Wilcox [2] and Wilcox and others [3] identify the Baker Island black tephra as potentially sourced from the Addington volcanic field, and date it to 13,492 +/- 237 cal yr BP.

Name Origin

The "Addington volcanic field" is an informal name, named after the nearby Cape Addington, by Greene, 2011.

References Cited

[1] Tectonic and glacial related seafloor geomorphology as possible demersal shelf rockfish habitat surrogates - Examples along the Alaskan convergent transform plate boundary, 2011

Greene, H.G., O'Connell, V.M., and Brylinsky, C.K., 2011, Tectonic and glacial related seafloor geomorphology as possible demersal shelf rockfish habitat surrogates - Examples along the Alaskan convergent transform plate boundary: Continental Shelf Research, v. 31, n. 2., p. S39-S53, doi:10.1016/j.csr.2010.11.004

[2] 60,000 year climate and vegetation history of southeast Alaska, 2017

Wilcox, P.S., 2017, 60,000 year climate and vegetation history of Southeast Alaska: Fairbanks, University of Alaska Fairbanks Ph.D. dissertation, 101 p.

[3] A new set of basaltic tephras from Southeast Alaska represent key stratigraphic markers for the late Pleistocene, 2019

Wilcox, P.S., Addison, Jason, Fowell, S.J,, Baichtal, J.F., Severin, Ken, and Mann, D.H., 2019, A new set of basaltic tephras from Southeast Alaska represent key stratigraphic markers for the late Pleistocene: Quaternary Research v. 92, no. 1, p. 246-256, doi:10.1017/qua.2018.154.

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    References

    A new set of basaltic tephras from Southeast Alaska represent key stratigraphic markers for the late Pleistocene, 2019

    Wilcox, P.S., Addison, Jason, Fowell, S.J,, Baichtal, J.F., Severin, Ken, and Mann, D.H., 2019, A new set of basaltic tephras from Southeast Alaska represent key stratigraphic markers for the late Pleistocene: Quaternary Research v. 92, no. 1, p. 246-256, doi:10.1017/qua.2018.154.

    60,000 year climate and vegetation history of southeast Alaska, 2017

    Wilcox, P.S., 2017, 60,000 year climate and vegetation history of Southeast Alaska: Fairbanks, University of Alaska Fairbanks Ph.D. dissertation, 101 p.

    Tectonic and glacial related seafloor geomorphology as possible demersal shelf rockfish habitat surrogates - Examples along the Alaskan convergent transform plate boundary, 2011

    Greene, H.G., O'Connell, V.M., and Brylinsky, C.K., 2011, Tectonic and glacial related seafloor geomorphology as possible demersal shelf rockfish habitat surrogates - Examples along the Alaskan convergent transform plate boundary: Continental Shelf Research, v. 31, n. 2., p. S39-S53, doi:10.1016/j.csr.2010.11.004

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