3rd Biennial Workshop on Subduction Processes emphasizing the Kurile-Kamchatka-Aleutian Arcs
Linkages among tectonism, magma genesis, and eruption in volcanic arcs
Geophysical Institute, University of Alaska, Fairbanks, Alaska
June 9th –15th 2002
Agenda of Scientific Sessions and Group Events
Note: All events listed, including reception, meals, boat cruise, and midweek field trip, are paid for through the registration fee. There are no additional charges (with the exception of for alcoholic beverages). A light breakfast buffet will also be provided in the GI Globe Room on Monday, Tuesday, Thursday, and Friday mornings.
Sunday, June 9
15:00-18:00Registration at Wedgewood Resort
18:30Bus pickup, Wedgewood Resort to UA Museum
19:00-21:00Reception at UA Museum
21:00Bus pickup, UA Museum to Wedgewood Resort
Monday, June 10
08:00Bus pickup, Wedgewood Resort to GI
08:30Introduction of UAF Chancellor Marshall Lind (GI/UAF Auditorium): John Eichelberger, UAF
08:32Welcome: Marshall Lind (Chancellor, UAF)
08:47People, places, events and sponsors of the coming week: John Eichelberger, UAF
Aleutian Symposium (GI/UAF Auditorium): State of knowledge of the Aleutian Arc (Chair: Tom Miller, USGS)
08:55Tom Miller: Introduction
09:00Patrick Leahy: Aleutian Volcano Science and Hazards - A U.S. Geological Survey Perspective
09:15Jeff Freymueller: Subduction Processes in Alaska: The Seismogenic Zone and More
09:45Dave Scholl: State of Knowledge to be Gained From Renewed Geophysical and Geological Investigations of the Offshore Aleutian Ridge
10:15-10:30Break
10:30Tom Miller: Quaternary Volcanism in the Aleutian Arc
11:00Steve McNutt: Seismology: The State of Knowledge of the Aleutian Arc, 2002
11:30Chris Nye: An Overview of Aleutian Magmatic Chemistry
Lunch (GI/UAF Globe Room)
Aleutian Symposium (GI/UAF Auditorium): State of knowledge of the Aleutian Arc (Chair: Tom Miller, USGS)
13:30Jim Gardner: Magma systems
14:00Gene Yogodzinski: Along-Strike Variation in Aleutian Lavas, and the Meaning of Mafic and Ultramafic Xenoliths From Kanaga and Adak
14:30Ken Dean and Dave Schneider: Satellite Remote Sensing at the Alaska Volcano Observatory
15:00-15:15Break
15:15Tom Murray: Continued Expansion of Volcano Monitoring at the Alaska Volcano Observatory
15:45Roger Hansen: Earthquake monitoring
16:15Tom Miller: Closing remarks
16:30-17:30International collaborations round table (informal reports and discussion):
Volcano deformation: Fumiaki Kimata and Jeff Freymueller
The Aleutian/Kamchatka corner: Gene Yogodzinski and Evgenii Gordeev
Seismotectonics of Okhotsk plate: Minoru Kasahara and Evgenii Gordeev
AVO and KVERT: Tom Miller and Vladimir Kirianov
Kizimen Volcano: Tatiana Churikova, Jim Gardner, Boris Ivanov, John Eichelberger
Discussion: Where to we go from here?
17:30Bus pickup at GI to Wedgewood Resort, then to Discovery dock
18:30Dinner cruise aboard the Discovery III on Chena and Tanana Rivers
c. 21:30Bus returns to Wedgewood Resort
Tuesday, June 11
08:00Bus pickup, Wedgewood Resort to GI
Oral Session (GI/UAF Auditorium): Eruption processes (Chairs: Jim Gardner, UAF; Jessica Larsen, UAF)
08:30Pavel Izbekov, John Eichelberger and Boris Ivanov: Petrologic Constraints on the Karymsky Magma System
08:55Koji Kato: Source Mechanism of Volcanic Explosion Earthquakes During the 1988-1989 Mt. Tokachi Eruptions
09:20Maurizio Ripepe and Minoru Kasahara: Explosive Process Inferred by Acoustic Activity Generated by Explosions at Usu and Myakejima Volcanoes
09:45Emily Brodsky and Evgenii Gordeev: Reconstruction of the Bezymianny Explosion in March 30, 1956 From Seismic Records
10:10-10:30Break
10:30Jessica Larsen: Experimental Determination of Plagioclase Rim Growth Rates in Rhyodacite Melt
10:55Jonathan Castro and Celestine Merced: Textural Characterization of Microlites in Rhyolitic Obsidian: Implications for Crystallization, Eruptive Time Scales, and Degassing in the Inyo Volcanic Chain, CA
11:20Rick Hazlett: Non-Magmatic Avalanche Amphitheater Formation at Secret Spring Volcano, Oregon-California Border
Poster Session (GI/UAF Globe Room): Subduction in the North Pacific: Elaborations on a theme or time for revolution? (Chairs: Minoru Kasahara, HU; Evgenii Gordeev, EMSD; Jeff Freymueller, UAF)
08:30-12:00
K Nicolaysen, D. Weis, J. S. Scoates and J.D. Myers: Sediment Subduction and Magma Genesis in the Central Aleutian Arc: Preliminary Evidence From Hf Isotopes
Elena Sassorova and Boris Levin: Spatial and Temporal Periodicity in the Pacific Tsunami Occurrence
Victor Morozov: Hgh-Frequency Hydro Acoustic Signals (40 - 110 Hz) Preceding the Earthquakes on the Pacific Shelf of Kamchatka Peninsula.
Vadim Saltykov and Viktor Ivanov: Influence of the Earth Tides Upon Seismicity Before Strong Kamchatkan Earthquake November 13, 1993 Mw=7.0
Hilary Fletcher, John Beavan and Jeff Freymueller: High Interseismic Coupling of the Alaska Subduction Zone SW of Kodiak Island Inferred From GPS Data
B.W. Levin and V.P. Pavlov: The Latitude Variations of the Lithosphere Energy and Its Impact on the Seismicity Distribution
Takuto Maeda, Haruo Sato and Masakazu Ohtake: Constituents of Rayleigh Wave Envelope in Long Periods Revealed From the F-K Analysis
Vyacheslav Zobin and Valeria Levina: The Rupture Process of the Mw 7.8 Cape Kronotsky, Kamchatka, Earthquake of 5 December, 1997, and Its Relationship to Foreshocks and Aftershocks
Lunch (GI/UAF Globe Room)
Oral Session (GI/UAF Auditorium): Subduction in the North Pacific: Elaborations on a theme or time for revolution? (Chairs: Minoru Kasahara, HU; Evgenii Gordeev, EMSD; Jeff Freymueller, UAF)
13:30Jeff Freymueller: Introduction
13:35Peter Kelemen, Marc Parmentier, Jennifer Rilling, Luc Mehl and Bradley Hacker: Thermal Structure Beneath Arcs and Thermal Convection of the Mantle Wedge
14:00David Scholl, Roland von Huene and Holly Ryan: Basal Subduction Erosion and the Formation of the Aleutian Terrace and Underlying Forearc Basin
14:25Tatiana Pinegina and Joanne Bourgeois: Paleotsunami Investigation During 1995-2002 on Kamchatka, Russia
14:50Fumiaki Kimata, Kazuro Hirahara and Naoyuki Fujii: Interplate Coupling in the Tokai Region, Central Japan, the Focal Region of the Anticipated Tokai Earthquake, Estimated From the Vertical Movements Since 1950
15:15 - 15: 35Break
15:35Hisashi Suito, Mikio Iizuka and Kazuro Hirahara: 3-D viscoelastic FEM simulation of crustal deformation in northeast Japan
16:00Kei Katsumata and Minoru Kasahara: A Five Years Super-Slow Aseismic Precursor Model For the 1994 M8.3 Hokkaido-Toho-Oki Lithospheric Earthquake Based on Tide Gauge Data
16:25Steven Cohen and Jeff Freymueller: The Complex Temporal and Spatial Pattern of Crustal Deformation in the Southcentral Alaska Subduction Zone from GPS, Leveling, and Tide Gauge Observations
16:50Naoki Uchida, Toshihiro Igarashi, Toru Matsuzawa and Akira Hasegawa: Spatio-Temporal Distribution of Afterslip of the 1994 Far-Off-Sanriku Earthquake, Japan, Estimated From Repeating Earthquake Analyses
Poster Session (GI/UAF Globe Room): Eruption processes (Chairs: Jim Gardner, UAF; Jessica Larsen, UAF)
13:30-17:30
N. K. Adams, B.F. Houghton and W. Hildreth: Understanding Variations in the Behavior of the 1912 Novarupta Eruption : Textural Quantification of the Dacites
Alain Burgisser, George Bergantz and Robert Breidenthal: Scaling Considerations on Volcanic Multiphase Dynamic Systems
Scott Dreher and John Eichelberger: Aniakchak Caldera: An Example of Self-Contamination and Silicic Replenishment in an Andesitic Volcano
Ben Finney: Temporal and Geographical Correlations in Okmok Liquid Compositions: Pre, Syn- & Post-Caldera Processes
Courtney Kearney and Samuel Swanson: The “Excess” Sulfur Problem and the Role of Anhydrite in the 1989-1990 Eruption of Redoubt Volcano, Alaska
Philip Kyle and Richard Law: Magmatic Degassing and Eruptive Behavior of Karymsky Volcano, Kamchatka, Russia: Insight From Correlation Spectrometer (COSPEC) Measurements of SO2 Emissions
Yuki Suzuki: Evolution of Magma Ascent Process in Explosive Felsic Magma Eruptions: Implications from Usu 2000 Eruption, Japan
17:30Pickup at GI to Wedgewood Resort (dinner on own)
20:30-22:30Open Discussion, Wedgewood Resort: Toward a Volcano Center for the multidisciplinary and multinational study of andesitic volcanism. Discussion leader: John Eichelberger
Wednesday, June 12
08:00Bus pickup at Wedgewood Resort to GI
08:30-16:00Local field trip, Fairbanks and environs with emphasis on Quaternary history and dynamics (Leaders: Jim Beget, Mary Keskinen, UAF) Lunch provided. Bring swim suit!
16:00-20:00Back-arc soak and dinner at Chena Hot Springs Resort
20:00-21:00Open Discussion, Chena Hot Springs Resort: Long-term stewardship of Cold War nuclear sites in the North Pacific. Discussion Leader: John Eichelberger
21:00Return to Wedgewood Resort
Thursday, June 13
08:00Bus pickup, Wedgewood Resort to GI
Oral Session (GI/UAF Auditorium): Volcano monitoring in volcanic arcs (Chairs: Vladimir Kirianov, IVGG; Tina Neal, USGS, Fumiaki Kimata, Nagoya U.)
08:30S.L. Senyukov, E.I. Gordeev, D.V. Droznin, V.V. Jaschuk, V.T. Garbuzova, S.Ya. Droznina, I.N. Nuzdina, D.Yu. Kiskin, T.Yu. Kozevnikova: Seismic Monitoring of Kamchatkan Volcanoes. The 2000-2001 Eruptions of Sheveluch, Bezimianny, Karymsky and Avachinsky Volcanoes
08:55Hiroaki Takahashi and Minoru Kasahara: Double magma chamber under the Usu volcano, Hokkaido, Japan, revealed by continuous GPS and well water level data
09:20J.A. Power, S.D. Stihler, R.A. White and S.C. Moran: Observations of Deep Long-Period (DLP) Seismic Events Beneath Aleutian Arc Volcanoes; 1989 – 2002
09:45Yousuke Miyagi, Jeff Freymueller, Fumiaki Kimata, Toshiya Sato, Dörte Mann and Minoru Kasahara: Recent Crustal Deformation Detected by GPS at Okmok Volcano, Alaska
10:10-10:30Break
10:30Evgenii Gordeev and Svetlana Droznina: Seismicity Relating to the Eruptions of Sheveluch Volcano in 2001
10:55Olga Girina, Alexei Ozerov, Irina Nuzhdina and Michael Zelenski: The eruption of Bezymianny volcano on August 7, 2001
11:20Michael Ramsey and Jon Dehn: The 2000 Eruption of Bezymianny Volcano Captured With Aster: A Proposal to Integrate High-Resolution Remote Sensing Data Into Real-Time Eruption Monitoring at AVO
Poster Session (GI/UAF Globe Room): Arc crust: extension, compression, shearing, plutons, under-plating, evolution (Chairs: Minoru Kasahara, HU; Evelyn Price, UAF; Seth Moran, USGS)
08:30-12:00
Yu. Kugaenko, V. Saltykov, V. Sinitsyn and V. Chebrov: Microseismic Emissions in the Mutnovsky Steam-Hydrothermal Field
Darren Chertkoff, Robert Wiebe, Jessica Larsen, John Eichelberger and Paul Layer: Hybrid Enclaves in Arc Plutons: A Possible Link Between Plutonic Processes and Eruption
Mitsuhiro Nakagawa, Naoto Hiraga and Ryuta Furukawa: Formation of a Zoned Magma Chamber and its Evolution During Historic Eruptive Activity of Tarumai Volcano, Japan
M.M. Pevzner, V.V.Ponomareva, L.I. Bazanova: New Data on the Kamchatka Back-Arc Volcanism During The Holocene Time
V.A. Rashidov and V.I. Bondarenko: Studies of the Submarine Edelstein Volcanic Massif (Kurile Island Arc)
Lunch (GI/UAF Globe Room)
Oral Session (GI/UAF Auditorium): Arc crust: extension, compression, shearing, plutons, under-plating, evolution (Chairs: Minoru Kasahara, HU; Evelyn Price, UAF; Seth Moran, USGS)
1:30David Scholl and Roland von Huene: Long-Term Magmatic Productivity and Net Growth (Additions Minus Losses) of Crust at the Aleutian Arc
1:55Daniel Rubiolo and Catherine Hickson: The Southern End of the Andean Central Volcanic Zone (Between 27° - 28° S), Argentina
2:20Ilya Bindeman, Vera Ponomareva, John Fournelle and John Valley: The Impact of Glaciation on Volcanism in N. Pacific Arcs
2:45Mitsuhiro Nakagawa and Jun-ichi Kitagawa: Sequential Caldera-Forming Eruptions From Multiple Magma Chambers of Shikotsu Caldera, Hokkaido, Japan
3:10 - 3:30Break
3:30Akiko Matsumoto and Mitsuhiro Nakagawa: Re-Examination of the Magma Pluming System Beneath Usu Volcano of the 1663 and 1769 Eruption
3:55S. Onizawa, H. Oshima, H. Y. Mori, T. Maekawa, A. Suzuki, M. Ichiyanagi and H. Okada: Three-dimensional Seismic Velocity Structure around Usu Volcano, Japan
4:20Evelyn Price: Volcanic Deformation that Varies in Time and Space: Seguam Island, Aleutian Islands, Alaska, 1993-2000
4:45Dörte Mann and Jeff Freymueller: Volcanic and Tectonic Deformation on Unimak Island in the Aleutian Arc
5:10Diana Roman: Seismic Evidence for Dike Emplacement Beneath Iliamna Volcano, Alaska in 1996
Poster Session (GI/UAF Globe Room): Volcano monitoring in volcanic arcs (Chairs: Vladimir Kirianov, IVGG; Tina Neal, USGS, Fumiaki Kimata, Nagoya U.)
13:30-17:40
O.S. Chubarova, V.T. Garbuzova and A.V. Storcheus: Preliminary Results of Seismic Investigation of Shiveluch Volcano Eruption (Kamchatka) in 2001
Yury Egorov, George Gavrilenko and Polyna Gavrilenko: Recent Data on Acid Lake of Gorely Volcano Active Crater, South Kamchatka
Olga Girina, Alexander Rybin and Vladimir Kirianov: Proposal to Monitor Volcanic Activity in The Kurile Islands
Olga Girina, Olga Chubarova and Sergey Senyukov: The Recent Activity of Sheveluch Volcano
V.I. Gorelchic and A.V. Storcheus: On Origin of Deep Long-Period Earthquakes Beneath Klyuchevskoy Volcano, Kamchatka
Stephen McNutt: Simultaneous Earthquake Swarms and Eruptions in Alaska, Fall 1996
Noritoshi Okazaki, Hiroaki Takahashi, Minoru Kasahara and Shigeru Nakao: Crustal deformation associated with the 2000 eruption of Usu volcano, Hokkaido, Japan as observed by a dense GPS array
17:40Bus pickup at GI to Wedgewood Resort (dinner on own)
20:30-22:00Open Discussion, Wedgewood Resort: Toward expanded monitoring and research in the Kurile Arc. Discussion leaders: Evgenii Gordeev, Minoru Nakagawa, Tina Neal.
Friday, June 14
08:00Bus pickup, Wedgewood Resort to GI
Oral Session (GI/UAF Auditorium): Volcano history, chemistry, and hazards (Chairs: John Eichelberger, UAF; Tatiana Churikova, IVGG)
08:30A.A Gusev, V.V. Ponomareva, O.A. Braitseva, I.V. Melekestsev, L.D. Sulerzhitsky: The Self-Similar, Episodic Output of Volcanic Products of the Largest Explosive Eruptions on Kamchatka During Holocene
08:50B.R. Jicha, B.S. Singer, J.G. Brophy and J.H. Fournelle: Resolving Late Pleistocene Volcanic History in the Aleutian Arc by Means of High Precision 40Ar/39Ar Geochronology
09:10Paul Layer and David Stone: The Cenozoic temporal evolution of the Aleutian Arc
09:30V.V. Ponomareva, M.M. Pevzner, L.D. Sulerzhitsky: Explosive Activity of Shiveluch Volcano, Kamchatka, During the Last 10,000 Years
09:50R. Takahashi, M. Yoshimoto and M. Nakagawa: Petrology of Historic Eruptions of Hokkaido-Komagatake Volcano, Northern Japan
10:10-10:20Break
10:20Takeshi Hasegawa and Mitsuhiro Nakagawa: Preliminary Geological and Petrological Study of Caldera-Forming Eruption Related To Akan Caldera, East Hokkaido, Japan
10:40Brandon Browne, Thomas Vogel, John Eichelberger, Jon Dehn and Pavel Izbekov: Petrology of Mafic Inclusions from Unzen Volcano, Japan: A 500,000 Year Record of Mafic Input to a Crustal Magma System
11:00Tatiana Churikova, Boris Ivanov, John Eichelberger, James Gardner, Alexander Belousov, Brandon Browne, Pavel Izbekov and Gerhard Wörner: Mg-Zoning in Plagioclases: An Example From Kizimen Volcano (Kamchatka)
11:20Anna Volynets, Pavel Pletchov, Maria Pevzner: Mid-Holocene South Cherpuk Monogenetic Volcanic Center of Ichinskaya Zone (Sredinny Ridge, Kamchatka): Some Petrologic Features of Rocks and First Data on the Melt's Composition
11:40Alexander Belousov and Marina Belousova: Chikurachki Volcano (Kurile Islands, Russia) - The Unique Volcano with Frequent Basaltic Plinian Eruptions
Lunch (in GI/UAF Globe Room)
Poster Session (GI/UAF Globe Room): Volcano history, chemistry, and hazards (Chairs: John Eichelberger, UAF; Tatiana Churikova, IVGG)
08:30-14:00
James Begét, Christopher Nye, Peter Stelling, and Janet Schaefer: Eruption History, Eruption Rates, and Eruption Hazards at Shishaldin Volcano, Aleutian Islands, Alaska
T. Churikova, G. Wörner, A. Kronz, P. Pletchov, N. Mironov and M. Portnyagin: Cl, F and Trace Element Composition of Melt Inclusions From Kamchatka Olivines
Oleg Dirksen: Bakening Volcano: Eruptive History and Potential Hazard, Kamchatka, Russia
James Gardner, Peter Stelling, and James Begét: The Caldera Forming Eruption of Fisher Volcano, Alaska, USA
Melanie Hartman, Philip Kyle and Vera Ponomareva: Characterization and Petrogenesis of Adakitic Pyroclastic Rocks Erupted During the Holocene From Shiveluch Volcano, Kamchatka, Russia
Boris Ivanov, Pavel Izbekov and John Eichelberger: Eruption of Karymsky Volcanic Center in 1996-1999: Geological and Structural Characteristics, Composition and Origin of Pyroclastics
Philip Kyle and Rachelle Rourke: Major Element Fingerprints of Major Explosive Eruptions of Holocene Volcanoes in Kamchatka, Russia
Sergey Trusov, Pavel Pletchov, and Boris Ivanov: Some Petrological Features of Kizimen Volcano, Kamchatka
14:00Special presentation and discussion (GI/UAF Auditorium): Fuji Volcano, Volcanology, and Hazard Mitigation
Speaker: Shigeo Aramaki, Nihon University
15:00-16:30Open Discussion (GI/UAF Auditorium): Arc magmas: Is the geochemical action in the mantle or crust? Where and how do silicic arc magmas arise? Is arc crust mostly new intrusions? Do we “see” magma bodies geophysically and if so, where is magma stored and why? What happens to magma during storage? Are arc systems pulsatory from the bottom up or only from the crustal chamber up? What do calderas mean about the state of the underlying system? Discussion Leaders: Chris Nye, ADGGS; Tatiana Churikova, IVGG; Jim Gardner, UAF; Seth Moran, USGS; Minoru Kasahara, HU)
16:30-17:30Open Discussion (GI/UAF Auditorium): Summary of the meeting, areas for future collaboration, time and place of next workshop. Discussion Leaders: Boris Ivanov, IVGG; Evgenii Gordeev, EMSD; Minoru Kasahara, HU; Mitsuhiro Nakagawa, HU; John Eichelberger, UAF)
17:30Bus pickup at GI to Wedgewood Resort, then to the Pump House
18:00Farewell Dinner at the Pump House historical site
c. 20:30Bus to Wedgewood Resort
Saturday, June 15
Participants depart for home or prepare for post-workshop excursions.
The Katmai-I field trip will have an organizational meeting in the morning at a time and place to be announced.