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Novarupta description and information

NOVARUPTA LINKS

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LOCATION
FACTS
Official Name: Novarupta
Type:Plinian pyroclastic vent with plug dome
Most Recent Activity:1953
Seismically Monitored: Yes
Color Code:GREEN
Alert Level:NORMAL
Elevation: 2759 ft (841 m)
Latitude: 58.2654° N
Longitude:155.1591° W
Quadrangle:Mt Katmai
CAVW Number:312180
Pronunciation: Sound file
Nearby towns:Karluk 55 mi (88 km) SE
Kanatak 58 mi (93 km) SW
King Salmon 62 mi (99 km) NW
Larsen Bay 66 mi (107 km) SE
Anchorage 274 mi (441 km) NE
DESCRIPTION
From Miller and others (1998) [1]: "The Novarupta dome is about 400 m in diameter and 65 m high at its center [2], and is surrounded by a 2-km-wide, funnel-shaped structure [3] [4]. The surface of the dome is completely fractured into chaotic blocks and crumble breccia. The dome is a plug-like feature emplaced within a low ejecta ring. Prominent scarps along the flanks of Baked, Falling, and Broken Mountains surrounding the Novarupta depression indicate considerable subsidence occurred following the 1912 eruption. Nearby stratovolcanoes (including Trident and Katmai) form a volcanic front trending N65E; Novarupta lies about 4 km behind the front. Linear fractures normal to the front extend between Novarupta and Trident [5]."
REFERENCES CITED
[1]
Catalog of the historically active volcanoes of Alaska, 1998
citation imageMiller, T. P., McGimsey, R. G., Richter, D. H., Riehle, J. R., Nye, C. J., Yount, M. E., and Dumoulin, J. A., 1998, Catalog of the historically active volcanoes of Alaska: U.S. Geological Survey Open-File Report OF 98-0582, 104 p.
Download PDF title page PDF : 52
Download PDF intro and TOC PDF : 268 KB
Download PDF eastern part - Wrangell to Ukinrek Maars PDF : 972 KB
Download PDF central part - Chiginagak to Cleveland PDF : 2,463 KB
Download PDF western part - Carlisle to Kiska PDF : 956 KB
Download PDF references PDF : 43 KB

[2]
The stratigraphy of the ejecta from the 1912 eruption of Mount Katmai and Novarupta, Alaska, 1968
Curtis, G. H., 1968, The stratigraphy of the ejecta from the 1912 eruption of Mount Katmai and Novarupta, Alaska: in Coats, R. R., Hay, R. L., and Anderson, C. A., (eds.), Studies in volcanology, Geological Society of America Memoir MWR 0116, p. 153-210.

[3]
The compositionally zoned eruption of 1912 in the Valley of Ten Thousand Smokes, Katmai National Park, Alaska, 1983
citation imageHildreth, Wes, 1983, The compositionally zoned eruption of 1912 in the Valley of Ten Thousand Smokes, Katmai National Park, Alaska: Journal of Volcanology and Geothermal Research, v. 18, n. 1-4, p. 1-56.

[4]
The vent of the 1912 Katmai eruption: gravity and magnetic measurements, 1991
Goodliffe, A. M., Stone, D. B., Kienle, Juergen, and Kasameyer, Paul, 1991, The vent of the 1912 Katmai eruption: gravity and magnetic measurements: Geophysical Research Letters, v. 18, n. 8, p. 1521-1524.

[5]
New perspectives on the eruption on 1912 in the Valley of Ten Thousand Smokes, Katmai National Park, Alaska, 1987
Hildreth, Wes, 1987, New perspectives on the eruption on 1912 in the Valley of Ten Thousand Smokes, Katmai National Park, Alaska: Bulletin of Volcanology, v. 49, n. 5, p. 680-693.

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