3rd Biennial Workshop on Subduction Processes emphasizing the KurileKamchatka-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
15:00-18:00
Registration at Wedgewood Resort
18:30
Bus pickup, Wedgewood Resort to UA Museum
19:00-21:00
Reception at UA Museum
21:00
Bus pickup, UA Museum to Wedgewood Resort
Monday, June 10
08:00
Bus pickup, Wedgewood Resort to GI
08:30
Introduction of UAF Chancellor Marshall Lind (GI/UAF Auditorium): John Eichelberger,
UAF
08:32
Welcome: Marshall Lind (Chancellor, UAF)
08:47
People, 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)
08:55
Tom Miller: Introduction
09:00
Patrick Leahy: Aleutian Volcano Science and Hazards - A U.S. Geological Survey Perspective
09:15
Jeff Freymueller: Subduction Processes in Alaska: The Seismogenic Zone and More
09:45
Dave Scholl: State of Knowledge to be Gained From Renewed Geophysical and Geological
Investigations of the Offshore Aleutian Ridge
10:15-10:30
Break
10:30
11:00
11:30
Tom Miller: Quaternary Volcanism in the Aleutian Arc
Steve McNutt: Seismology: The State of Knowledge of the Aleutian Arc, 2002
Chris 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)
13:30
Jim Gardner: Magma systems
14:00
Gene Yogodzinski: Along-Strike Variation in Aleutian Lavas, and the Meaning of Mafic and
Ultramafic Xenoliths From Kanaga and Adak
14:30
Ken Dean and Dave Schneider: Satellite Remote Sensing at the Alaska Volcano Observatory
15:00-15:15
Break
15:15
15:45
16:15
Tom Murray: Continued Expansion of Volcano Monitoring at the Alaska Volcano Observatory
Roger Hansen: Earthquake monitoring
Tom Miller: Closing remarks
16:30-17:30
International 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?
17:30
Bus pickup at GI to Wedgewood Resort, then to Discovery dock
18:30
Dinner cruise aboard the Discovery III on Chena and Tanana Rivers
c. 21:30
Bus returns to Wedgewood Resort
Tuesday, June 11
08:00
Bus pickup, Wedgewood Resort to GI
Oral Session (GI/UAF Auditorium): Eruption processes (Chairs: Jim Gardner, UAF; Jessica Larsen, UAF)
08:30
08:55
09:20
09:45
Pavel Izbekov, John Eichelberger and Boris Ivanov: Petrologic Constraints on the Karymsky
Magma System
Koji Kato: Source Mechanism of Volcanic Explosion Earthquakes During the 1988-1989 Mt.
Tokachi Eruptions
Maurizio Ripepe and Minoru Kasahara: Explosive Process Inferred by Acoustic Activity
Generated by Explosions at Usu and Myakejima Volcanoes
Emily Brodsky and Evgenii Gordeev: Reconstruction of the Bezymianny Explosion in March 30,
1956 From Seismic Records
10:10-10:30
Break
10:30
10:55
Jessica Larsen: Experimental Determination of Plagioclase Rim Growth Rates in Rhyodacite Melt
Jonathan 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
Rick Hazlett: Non-Magmatic Avalanche Amphitheater Formation at Secret Spring Volcano,
Oregon-California Border
11:20
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)
13:30
13:35
14:00
14:25
14:50
Jeff Freymueller: Introduction
Peter Kelemen, Marc Parmentier, Jennifer Rilling, Luc Mehl and Bradley Hacker: Thermal
Structure Beneath Arcs and Thermal Convection of the Mantle Wedge
David Scholl, Roland von Huene and Holly Ryan: Basal Subduction Erosion and the Formation of
the Aleutian Terrace and Underlying Forearc Basin
Tatiana Pinegina and Joanne Bourgeois: Paleotsunami Investigation During 1995-2002 on
Kamchatka, Russia
Fumiaki 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: 35
Break
15:35
Hisashi Suito, Mikio Iizuka and Kazuro Hirahara: 3-D viscoelastic FEM simulation of crustal
deformation in northeast Japan
Kei 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
Steven 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
Naoki 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
16:00
16:25
16:50
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 SO 2
Emissions
Yuki Suzuki: Evolution of Magma Ascent Process in Explosive Felsic Magma Eruptions:
Implications from Usu 2000 Eruption, Japan
17:30
Pickup at GI to Wedgewood Resort (dinner on own)
20:30-22:30
Open Discussion, Wedgewood Resort: Toward a Volcano Center for the multidisciplinary
and multinational study of andesitic volcanism. Discussion leader: John Eichelberger
Wednesday, June 12
08:00
Bus pickup at Wedgewood Resort to GI
08:30-16:00
Local field trip, Fairbanks and environs with emphasis on Quaternary history and dynamics
(Leaders: Jim Beget, Mary Keskinen, UAF) Lunch provided. Bring swim suit!
16:00-20:00
Back-arc soak and dinner at Chena Hot Springs Resort
20:00-21:00
Open Discussion, Chena Hot Springs Resort: Long-term stewardship of Cold War nuclear
sites in the North Pacific. Discussion Leader: John Eichelberger
21:00
Return to Wedgewood Resort
Thursday, June 13
08:00
Bus 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.)
08:30
08:55
09:20
09:45
S.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
Hiroaki Takahashi and Minoru Kasahara: Double magma chamber under the Usu volcano,
Hokkaido, Japan, revealed by continuous GPS and well water level data
J.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
Yousuke Miyagi, Jeff Freymueller, Fumiaki Kimata, Toshiya Sato, Dörte Mann and Minoru
Kasahara: Recent Crustal Deformation Detected by GPS at Okmok Volcano, Alaska
10:10-10:30
Break
10:30
Evgenii Gordeev and Svetlana Droznina: Seismicity Relating to the Eruptions of Sheveluch
Volcano in 2001
Olga Girina, Alexei Ozerov, Irina Nuzhdina and Michael Zelenski: The eruption of Bezymianny
volcano on August 7, 2001
Michael 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
10:55
11:20
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)
1:30
1:55
2:20
2:45
David Scholl and Roland von Huene: Long-Term Magmatic Productivity and Net Growth
(Additions Minus Losses) of Crust at the Aleutian Arc
Daniel Rubiolo and Catherine Hickson: The Southern End of the Andean Central Volcanic Zone
(Between 27° - 28° S), Argentina
Ilya Bindeman, Vera Ponomareva, John Fournelle and John Valley: The Impact of Glaciation on
Volcanism in N. Pacific Arcs
Mitsuhiro Nakagawa and Jun-ichi Kitagawa: Sequential Caldera-Forming Eruptions From
Multiple Magma Chambers of Shikotsu Caldera, Hokkaido, Japan
3:10 - 3:30
Break
3:30
Akiko Matsumoto and Mitsuhiro Nakagawa: Re-Examination of the Magma Pluming System
Beneath Usu Volcano of the 1663 and 1769 Eruption
S. Onizawa, H. Oshima, H. Y. Mori, T. Maekawa, A. Suzuki, M. Ichiyanagi and H. Okada: Threedimensional Seismic Velocity Structure around Usu Volcano, Japan
Evelyn Price: Volcanic Deformation that Varies in Time and Space: Seguam Island, Aleutian
Islands, Alaska, 1993-2000
Dörte Mann and Jeff Freymueller: Volcanic and Tectonic Deformation on Unimak Island in the
Aleutian Arc
Diana Roman: Seismic Evidence for Dike Emplacement Beneath Iliamna Volcano, Alaska in 1996
3:55
4:20
4:45
5:10
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
17:40
Bus pickup at GI to Wedgewood Resort (dinner on own)
20:30-22:00
Open Discussion, Wedgewood Resort: Toward expanded monitoring and research in the
Kurile Arc. Discussion leaders: Evgenii Gordeev, Minoru Nakagawa, Tina Neal.
Friday, June 14
08:00
Bus pickup, Wedgewood Resort to GI
Oral Session (GI/UAF Auditorium): Volcano history, chemistry, and hazards (Chairs: John Eichelberger,
UAF; Tatiana Churikova, IVGG)
08:30
08:50
09:10
09:30
09:50
A.A Gusev, V.V. Ponomareva, O.A. Braitseva, I.V. Melekestsev, L.D. Sulerzhitsky: The SelfSimilar, Episodic Output of Volcanic Products of the Largest Explosive Eruptions on Kamchatka
During Holocene
B.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
Paul Layer and David Stone: The Cenozoic temporal evolution of the Aleutian Arc
V.V. Ponomareva, M.M. Pevzner, L.D. Sulerzhitsky: Explosive Activity of Shiveluch Volcano,
Kamchatka, During the Last 10,000 Years
R. Takahashi, M. Yoshimoto and M. Nakagawa: Petrology of Historic Eruptions of HokkaidoKomagatake Volcano, Northern Japan
10:10-10:20
Break
10:20
Takeshi Hasegawa and Mitsuhiro Nakagawa: Preliminary Geological and Petrological Study of
Caldera-Forming Eruption Related To Akan Caldera, East Hokkaido, Japan
Brandon 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
Tatiana 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)
Anna 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
Alexander Belousov and Marina Belousova: Chikurachki Volcano (Kurile Islands, Russia) - The
Unique Volcano with Frequent Basaltic Plinian Eruptions
10:40
11:00
11:20
11:40
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
14:00
Special presentation and discussion (GI/UAF Auditorium): Fuji Volcano, Volcanology, and
Hazard Mitigation
Speaker: Shigeo Aramaki, Nihon University
15:00-16:30
Open 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)
16:30-17:30
Open 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)
17:30
Bus pickup at GI to Wedgewood Resort, then to the Pump House
18:00
Farewell Dinner at the Pump House historical site
c. 20:30
Bus 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.