Volcanic ash plume identification using polarization lidar: Augustine eruption, Alaska
Kenneth Sassen, Jiang Zhu, Peter W. Webley, K. Dean, Patrick Cobb
2007, Geophysical Research Letters (34)
During mid January to early February 2006, a series of explosive eruptions occurred at the Augustine volcanic island off the southern coast of Alaska. By early February a plume of volcanic ash was transported northward into the interior of Alaska. Satellite imagery and Puff volcanic ash transport model predictions confirm...
Explosive eruptive record in the Katmai region, Alaska Peninsula: An overview
Judy Fierstein
2007, Bulletin of Volcanology (69) 469-509
At least 15 explosive eruptions from the Katmai cluster of volcanoes and another nine from other volcanoes on the Alaska Peninsula are preserved as tephra layers in syn- and post-glacial (Last Glacial Maximum) loess and soil sections in Katmai National Park, AK. About 400 tephra samples...
Magmatic gas efflux at the Ukinrek Maars, Alaska
Deborah Bergfeld, W. C. Evans, A.G. Hunt, R. G. McGimsey
T.D. Bullen, Y. Wang, editor(s)
2007, Conference Paper, Water-rock interaction: proceedings of the 12th International Symposium on Water-Rock Interaction, WRI-12, Kunming, China, 31 July-5 August 2007
No abstract available....
Late pleistocene and holocene caldera-forming eruptions of Okmok Caldera, Aleutian Islands, Alaska
Jessica F. Larsen, Christina A. Neal, Janet Schaefer, Jim Beget, Chris Nye
J. Eichelberger, Evgenii I. Gordeev, P. Izbekov, Minoru Kasahara, Jonathan Lees, editor(s)
2007, Book chapter, Volcanism and subduction: the Kamchatka region
This chapter contains sections titled:IntroductionGeologic settingField and Analytical MethodsResultsDiscussionConclusions...
Observations of volcanic tremor during January-February 2005 eruption of Mt. Veniaminof, Alaska
Slivio De Angelis, Stephen R. McNutt
2007, Bulletin of Volcanology (69) 927-940
Mt. Veniaminof, Alaska Peninsula, is a stratovolcano with a summit ice-filled caldera containing a small intracaldera cone and active vent. From January 2 to February 21, 2005, Mt. Veniaminof erupted. The eruption was characterized by numerous small ash emissions (VEI 0 to 1) and accompanied by low-frequency earthquake activity and...
Swarms of repeating long-period earthquakes at Shishaldin Volcano, Alaska, 2001-2004
Tanja Petersen
2007, Journal of Volcanology and Geothermal Research (166) 177-192
During 2001–2004, a series of four periods of elevated long-period seismic activity, each lasting about 1–2 months, occurred at Shishaldin Volcano, Aleutian Islands, Alaska. The time periods are termed swarms of repeating events, reflecting an abundance of earthquakes with highly similar waveforms that indicate stable, non-destructive...
Predicting and validating the motion of an ash cloud during the 2006 eruption of Mount Augustine volcano
Richard L. Collins, Javier Fochesatto, Kenneth Sassen, Peter W. Webley, David E. Atkinson, Kenneson G. Dean, Catherine F. Cahill, Kohei Mizutani
2007, Journal of the National Institute of Information and Communications Technology (54) 17-28
On 11 January 2006, Mount Augustine volcano in southern Alaska began erupting after 20- year repose. The Anchorage Forecast Office of the National Weather Service (NWS) issued an advisory on 28 January for Kodiak City. On 31 January, Alaska Airlines cancelled all flights to and from Anchorage after multiple advisories...
Seismo-acoustic signals associated with degassing explosions recorded at Shishaldin Volcano, Alaska, 2003-2004
T. Petersen
2007, Bulletin of Volcanology (69) 527-536
In summer 2003, a Chaparral Model 2 microphone was deployed at Shishaldin Volcano, Aleutian Islands, Alaska. The pressure sensor was co-located with a short-period seismometer on the volcano’s north flank at a distance of 6.62 km from the active summit vent. The seismo-acoustic data exhibit a correlation between impulsive acoustic signals...
Precursory seismicity associated with frequent, large ice avalanches on Iliamna Volcano, Alaska, USA
Jacqueline Caplan-Auerbach, C. Huggel
2007, Journal of Glaciology (53) 128-140
Since 1994, at least six major (volume>106 m3) ice and rock avalanches have occurred on Iliamna volcano, Alaska, USA. Each of the avalanches was preceded by up to 2 hours of seismicity believed to represent the initial stages of failure. Each seismic sequence begins with a series of repeating earthquakes...
Eruption and deposition of the Fisher Tuff (Alaska)--Evidence for the evolution of pyroclastic flows
Alain Burgisser, J.E. Gardner, P. Stelling
2007, Journal of Geology (115) 417-435
Recognition that the Fisher Tuff (Unimak Island, Alaska) was deposited on the leeside of an ∼500–700‐m‐high mountain range (Tugamak Range) more than 10 km away from its source played a major role in defining pyroclastic flows as momentum‐driven currents. We reexamined the Fisher Tuff to evaluate whether deposition from expanded...
Glacier-volcano interactions in the north crater of Mt. Wrangell, Alaska
Carl Abston, Roman J. Motyka, Stephen McNutt, Martin Luthi, Martin Truffer
2007, Annals of Glaciology (45) 48-57
Glaciological and related observations from 1961 to 2005 at the summit of Mt Wrangell (62.008 N, 144.028W; 4317 m a.s.l.), a massive glacier-covered shield volcano in south-central Alaska, show marked changes that appear to have been initiated by the Great Alaska Earthquake (MW = 9.2) of 27 March 1964. The...
Applying the scientific method when assessing the influence of migratory birds on the dispersal of H5N1
Paul L. Flint
2007, Virology Journal (4)
Background The role of wild birds in the dispersal of highly pathogenic avian influenza virus H5N1 continues to be the subject of considerable debate. However, some researchers functionally examining the same question are applying opposing null hypotheses when examining this issue. Discussion I describe the...
Activity budgets derived from time-depth recorders in a diving mammal
James L. Bodkin, Daniel H. Monson, George G. Esslinger
2007, Journal of Wildlife Management (71) 2034-2044
We describe a method to convert continuously collected time–depth data from archival time–depth recorders (TDRs) into activity budgets for a benthic-foraging marine mammal. We used data from 14 TDRs to estimate activity-specific time budgets in sea otters (Enhydra lutris) residing near Cross Sound, southeast Alaska, USA. From the TDRs we...
Use of the Beaufort Sea by king eiders breeding on the North Slope of Alaska
Laura M. Phillips, A.N. Powell, E.J. Taylor, E.A. Rexstad
2007, Journal of Wildlife Management (71) 1892-1898
We estimated areas used by king eiders (Somateria spectabilis) in the Alaskan Beaufort Sea, how distributions of used areas varied, and characteristics that explained variation in the number of days spent at sea, to provide regulatory agencies with baseline data needed to minimize impacts of potential offshore oil development. We...
Chemical data for rock, sediment, biological, precipitate, and water samples from abandoned copper mines in Prince William Sound, Alaska
Randolph A. Koski, LeeAnn Munk
2007, Open-File Report 2007-1359-A-D
In the early 20th century, approximately 6 million metric tons of copper ore were mined from numerous deposits located along the shorelines of fjords and islands in Prince William Sound, Alaska. At the Beatson, Ellamar, and Threeman mine sites (fig. 1), rocks containing Fe, Cu, Zn, and Pb sulfide minerals...
Digital mapping techniques '06 - Workshop proceedings
David R. Soller, editor(s)
2007, Open-File Report 2007-1285
The Digital Mapping Techniques '06 (DMT'06) workshop was attended by more than 110 technical experts from 51 agencies, universities, and private companies, including representatives from 27 state geological surveys (see Appendix A of these Proceedings). This workshop was similar in nature to the previous nine meetings, which were held in...
Sedimentology and sequence stratigraphy of the Lower Cretaceous Fortress Mountain and Torok Formations exposed along the Siksikpuk River, North-Central Alaska
David W. Houseknecht, Christopher J. Schenk, Marwan A. Wartes
2007, Professional Paper 1739-D
An exposure of the Lower Cretaceous Fortress Mountain and Torok Formations along the Siksikpuk River in north-central Alaska provides a rare opportunity to observe the stratigraphic contact between these two formations and to interpret the depositional facies and sequence stratigraphy of the exposed strata. The Fortress Mountain Formation at the...
Stratigraphy and facies of Cretaceous Schrader Bluff and Prince Creek Formations in Colville River Bluffs, North Slope, Alaska
Romeo M. Flores, Mark D. Myers, David W. Houseknecht, Gary D. Stricker, Donald W. Brizzolara, Timothy J. Ryherd, Kenneth I. Takahashi
2007, Professional Paper 1748
Stratigraphic and sedimentologic studies of facies of the Upper Cretaceous rocks along the Colville River Bluffs in the west-central North Slope of Alaska identified barrier shoreface deposits consisting of vertically stacked, coarsening-upward parasequences in the Schrader Bluff Formation. This vertical stack of parasequence deposits represents progradational sequences that were affected...
Sentinel Hill Core Test 1: Facies descriptions and stratigraphic reinterpretations of the Prince Creek and Schrader Bluff Formations, North Slope, Alaska
Romeo M. Flores, Gary D. Stricker, Paul L. Decker, Mark D. Myers
2007, Professional Paper 1747
The Sentinel Hill Core Test 1 well penetrated an intertonguing sequence of (1) the marine Schrader Bluff Formation in the depth intervals 950–1,180 ft and 690–751 ft, which consists of shoreface and offshore deposits that accumulated along a storm-dominated, barred shoreline; and (2) the nonmarine Prince Creek Formation in...
Regional Fluid Flow and Basin Modeling in Northern Alaska
Robert A. Ayuso, Robert Burruss, Julie A. Dumoulin, Garth E. Graham, Anita G. Harris, Craig A. Johnson, Karen D. Kelley, David L. Leach, Paul G. Lillis, Erin E. Marsh, Thomas E. Moore, Christopher J. Potter, John F. Slack
Karen D. Kelley, editor(s)
2007, Circular 1319
The foothills of the Brooks Range contain an enormous accumulation of zinc (Zn) in the form of zinc sulfide and barium (Ba) in the form of barite in Carboniferous shale, chert, and mudstone. Most of the resources and reserves of Zn occur in the Red Dog deposit and others...
A Compilation of Gas Emission-Rate Data from Volcanoes of Cook Inlet (Spurr, Crater Peak, Redoubt, Iliamna, and Augustine) and Alaska Peninsula (Douglas, Fourpeaked, Griggs, Mageik, Martin, Peulik, Ukinrek Maars, and Veniaminof), Alaska, from 1995-2006
Michael P. Doukas, Kenneth A. McGee
2007, Open-File Report 2007-1400
INTRODUCTION This report presents gas emission rates from data collected during numerous airborne plume-measurement flights at Alaskan volcanoes since 1995. These flights began in about 1990 as means to establish baseline values of volcanic gas emissions during periods of quiescence and to identify anomalous levels of degassing that might signal the...
SAR measurements of surface displacements at Augustine Volcano, Alaska from 1992 to 2005
C.-W. Lee, Z. Lu, Oh-Ig Kwoun
2007, Conference Paper, International Geoscience and Remote Sensing Symposium (IGARSS)
Augustine volcano is an active stratovolcano located at the southwest of Anchorage, Alaska. Augustine volcano had experienced seven significantly explosive eruptions in 1812, 1883, 1908, 1935, 1963, 1976, and 1986, and a minor eruption in January 2006. We measured the surface displacements of the volcano by radar interferometry and GPS...
Water Quality in the Tanana River Basin, Alaska, Water Years 2004-06
Edward H. Moran
2007, Open-File Report 2007-1390
OVERVIEW This report contains water-quality data collected from 84 sites in Tanana River basin during water years 2004 through 2006 (October 2003 through September 2006) as part of a cooperative study between the U.S. Geological Survey (USGS) and Alaska Department of Environmental Conservation (ADEC) Alaska Monitoring and Assessment Program (AKMAP), supported...
Map and data for Quaternary faults and fault systems on the Island of Hawai'i
Eric C. Cannon, Roland Burgmann, Anthony J. Crone, Michael N. Machette, Richard L. Dart
2007, Open-File Report 2007-1284
Introduction This report and digitally prepared, GIS-based map is one of a series of similar products covering individual states or regions of United States that show the locations, ages, and activity rates of major earthquake-related features such as faults and fault-related folds. It is part of a continuing the effort to...
Geologic Map and Engineering Properties of the Surficial Deposits of the Tok Area, East-Central Alaska
Paul E. Carrara
2007, Scientific Investigations Map 2986
The Tok area 1:100,000-scale map, through which the Alaska Highway runs, is in east-central Alaska about 160 km west of the Yukon border. The surficial geologic mapping in the map area is in support of the 'Geologic Mapping in support of land, resources, and hazards issues in Alaska' Project of...
