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 SECOND CIRCULAR and CALL FOR ABSTRACTS The Kurile-Kamchatka-Aleutian volcanic arcs are among the least understood in the world. Yet, their high level of activity and continuity across continental and oceanic lithosphere provide an exceptional opportunity to understand the linkages among tectonism, magma genesis, and eruption that characterize subduction zones. The scientific promise is so great that obstacles of formidable distances and political divisions must now be overcome. This continuing series of meetings seeks to build a vital international geoscience community in the North Pacific, while at the same time drawing upon insights from workers in other areas. A special emphasis of the forthcoming meeting will be to report progress on understanding the Aleutian Arc. This understanding has advanced greatly in recent years as a result of the rapid growth in monitoring and related research by the Alaska Volcano Observatory, as well as by other efforts. Field trips will be held before, during, and after the meeting. The intent is to nurture productive collaborations in monitoring of and research into magma-genic subduction zone processes, both between geoscientists in Alaska and in the remainder of the United States, and between those of the US and its North Pacific neighbors. ABSTRACT DEADLINE APRIL 19th 2002 Abstracts are limited to two pages with figures and references. Please format with a minimum of 2.5 cm margin on all sides, and a minimum font size of 12 points. Submit abstracts electronically to Jon Dehn (jdehn@gi.alaska.edu). Any common format is acceptable--simple text, Microsoft Word, Acrobat PDF, with figures as GIF, TIFF, or EPS files. For help with abstract submittal, please contact the local organizing committee. Please include the attached registration form and payment. Be sure to specify the excursion and short course preference. Steering Committee: Boris Ivanov and Evgenii Gordeev, Petropavlovsk-Kamchatsky, Russia Minoru Kasahara and Mitsuhiro Nakagawa, Sapporo, Japan Jonathan Lees, Chapel Hill, NC, and John Eichelberger (chair), Fairbanks, AK, USA Local Organizing Committee: Jim Beget, Brandon Browne, Jon Dehn, John Eichelberger (chair), Jeff Freymueller, Jim Gardner, Pavel Izbekov, Jessica Larsen, Steve McNutt, Tom Miller, Seth Moran, Tina Neal, Richard Waitt Form of Workshop: In order to strengthen exchange, all sessions will be interdisciplinary. Invited speakers will begin workshop sessions with oral presentations designed to bring everyone “up to speed” on major issues concerning this diverse and dynamic setting. Each session will concentrate on an over-arching theme that will benefit from interdisciplinary and international discussion. Submitted works will be presented as posters, which will be displayed throughout the week, giving all participants time to exchange ideas. An abstracts volume will be distributed among participants, and abstracts will be made publicly available via a web site. A report of the meeting will be published in Eos and other appropriate locations. Sponsorship: The meeting is sponsored by the UAF Geophysical Institute, the Volcano Hazards Program of the US Geological Survey, the US National Science Foundation, and by the International Association for Volcanology and Chemistry of Earth’s Interior (IAVCEI) and The International Arctic Research Center (IARC). These funds are being used to support the attendance of scientists and students from Russia, Japan, the Lower 48 States, and under- developed countries. Meeting Venue: Geophysical Institute, University of Alaska Fairbanks Transportation: Fairbanks is served by Alaska and Northwest Airlines. In addition, Delta, United, American, and Magadan Air fly into Anchorage. Participants wishing to attend the meeting only should book a round trip to Fairbanks. Those who wish to participate in pre- or post-meeting excursions will need to arrange for a stop Anchorage. (One can also rent a car and drive from Anchorage to Fairbanks, but this requires about 8 hours.) Weather: June in Fairbanks is generally sunny (~22 hours of sunlight per day), with occasional light rain, and temperatures of 20+/-10oC. Field trips will encounter cooler and much wetter and windier conditions. Trip leaders will provide instructions as to necessary field gear. Costs: We anticipate that costs for food and lodging will average about $100/day. There will also be a registration fee of $300 for professionals and $100 for students to cover group events and transportation. Field trips fees are listed above. The Fairbanks area trip is included in the registration fee. Financial support: The organizers expect to be able to provide a limited amount of financial assistance to those who need support to participate in the meeting. Participants needing support should so indicate on their registration form. If you are interested in receiving subsequent circulars concerning this meeting, please return the attached file and your abstract to Jon Dehn (jdehn@gi.alaska.edu). Few field trips have been conducted in Alaska volcanic areas in the past, so it is difficult for us to gauge what the level of interest will be. We may find it desirable to modify the agenda to reflect responses to this announcement. Schedule and Scientific Sessions (Subject to Revision) Sunday, June 9 15:00-18:00 Check-in and registration at Wedgewood Resort 18:30 Pickup, Wedgewood Resort to UA Museum 19:00-21:00 Reception at UA Museum 21:00 Pickup, UA Museum to Wedgewood Resort Monday, June 10 08:00 Pickup, Wedgewood Resort to GI 08:30 Introduction: John Eichelberger, UAF 08:35 Welcome: Marshall Lind (Chancellor, UAF) 08:45 Fuji volcano, volcanology and hazard mitigation: Keynote speaker, Shigeo Aramaki (Nihon University, Japan) 09:15-12:00 Opening of technical session (UAF Auditorium): State of knowledge of the Aleutian Arc (Tom Miller, USGS, Chair) Aleutian Volcano Science and Hazards - A U.S. Geological Survey Perspective: Patrick Leahy Tectonic framework and dynamics: Jeff Freymueller Marine geology and geophysics: Dave Scholl Geology and volcanism: Tom Miller Seismology: Steve McNutt Arc geochemistry: Chris Nye Magma systems: Jim Gardner Lunch (in UAF Globe Room) 13:30-18:00 Technical session (UAF Auditorium): State of knowledge of the Aleutian Arc (Tom Miller, USGS, Chair) Search for the slab: Gene Yogodzinski Remote Sensing: Ken Dean and Dave Schneider Volcano monitoring: Tom Murray Earthquake monitoring: Roger Hansen International collaborations round table: Volcano deformation: F. Kimata and J. Freymueller The Aleutian/Kamchatka corner: Gene Yogodzinski and E. Gordeev Seismotectonics of Okhotsk plate: M. Kasahara and E. Gordeev AVO and KVERT: T. Miller and V. Kirianov Kizimen Volcano: Churikova, Gardner, Ivanov, Eichelberger Discussion: Where to we go from here? 18:00 Pickup at GI to Wedgewood Resort, then to Discovery dock 18:30 Dinner cruise aboard the Discovery III on Chena and Tanana Rivers, Monday, June 10 Tuesday, June 11 08:00 Pickup, Wedgewood Resort to GI 08:30-12:00 Oral Session (UAF Auditorium): Eruption processes (J. Gardner, UAF; S. Tait, Imperial, UK) 08:30-1200 Poster Session (UAF Globe Room): Subduction in the North Pacific: Elaborations on a theme or time for revolution? (Moderators: M. Kasahara, HU; E. Gordeev, EMSD; J. Freymueller, UAF) Lunch (in UAF Globe Room) 13:30-18:00 Oral Session (UAF Auditorium): Subduction in the North Pacific: Elaborations on a theme or time for revolution? (Moderators: M. Kasahara, HU; E. Gordeev, EMSD; J. Freymueller, UAF) 13:30-18:00 Poster Session (UAF Globe Room): Eruption processes (J. Gardner, UAF; J. Larsen, UAF) 18:00 Pickup at GI to Wedgewood Resort 20:00-22:00 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 Pickup at Wedgewood Resort to GI 08:30-16:00 Local field trip, Fairbanks and environs with emphasis on Quaternary history and dynamics (J. Beget, M. Keskinnen, UAF) 16:00-20:00 20:00-21:00 Dinner and back-arc soak at Chena Hot Springs Resort Open Discussion, Chena Hot Springs Resort: Long-term stewardship of Cold War nuclear sites in volcanic terrains. Discussion Leader: John Eichelberger 21:00 Return to Wedgewood Resort Thursday, June 13 08:00 Pickup, Wedgewood Resort to GI 08:30-12:00 Oral Session (UAF Auditorium): Volcano monitoring in volcanic arcs (Chairs: V. Kirianov, IVGG; T. Neal, USGS, F. Kimata, Nagoya U.) 08:30-1200 Poster Session (UAF Globe Room): Arc crust: extension, compression, shearing, plutons, underplating, evolution (Chairs: M Kasahara, HU; Evelyn Price, UAF; 3 rd chair to be determined) Lunch (in UAF Globe Room) 13:30-18:00 Oral Session (UAF Auditorium): Arc crust: extension, compression, shearing, plutons, underplating, evolution (Chairs: M Kasahara, HU; Evelyn Price, UAF; Seth Moran, USGS) 13:30-18:00 Poster Session (UAF Globe Room): Volcano monitoring in volcanic arcs (Chairs: V. Kirianov, IVGG; T. Neal, USGS, F. Kimata, Nagoya U.) 18:00 Pickup at GI to Wedgewood Resort 20:00-22:00 Open Discussion, Wedgewood Resort: Educational opportunities in international volcanology in the North Pacific. Discussion Leader: to be determined Friday, June 14 08:00 Pickup, Wedgewood Resort to GI 08:30-10:00 Discussion (UAF Auditorium): Arc magmas: Is the geochemical action in the mantle or the crust? Where and how do silicic arc magmas arise? Do we “see” magma and if so, where is it stored and why? (Moderators: C. Nye, ADGGS; T. Churikova, IVGG; M. Nakagawa, HU, J. Gardner, UAF) 10:30-1200 Discussion (UAF Auditorium): Calderas and other systems with shallow magma (Chairs: B. Ivanov, IVGG; M. Nakagawa, HU; J. Gardner, UAF) Lunch (in UAF Globe Room) 13:30-15:00 Oral Session (UAF Auditorium): Summary of the meeting, areas for future collaborations, time and place of next workshop (J. Eichelberger, UAF; B. Ivanov, IVGG; M. Kasahara, HU) 17:30 Pickup at GI to Wedgewood Resort, then to The Pump House 18:00 Farewell Dinner at the Pump House historical site Saturday, June 15 Participants depart for home or prepare for post-workshop excursions. Excursions: Participants should arrange for their travel to and from the workshop, including stops for the excursions and short course as needed. Normally a break in the travel should not increase the total cost of the ticket. For questions and help arranging travel, please contact the local organizing committee, and visit www.avo.alaska.edu/kasp/ Pre-Workshop excursion: Kenai Peninsula neo-tectonics and Cook Inlet volcanoes: Deformation and tsunami effects of Magnitude 9 earthquake of 1964; new GPS observations; tephra stratigraphy; close views of Spurr (3 explosive eruptions in 1992); Redoubt (major eruptive episode with ash, pyroclastic flows, and dome growth in 1989-1990); Iliamna (late Holocene volcanism + seismic crisis in 1996); and Augustine (major eruptions in 1964, 1976, and 1986); tour by bus on peninsula looking at neo-tectonic features and discussing geodetic and geologic data; extensive aerial tour of Cook Inlet volcanoes; a visit to the Anchorage facility of AVO will be included. Leaders: Tom Miller, US Geological Survey and Jeff Freymueller, University of Alaska Fairbanks; not strenuous. Topics for discussion: plate margin deformation; earthquake cycle; 3 days maximum of 30 particpants. Trip will begin early on Thursday, June 6 and end on Saturday, June 8 in Anchorage. Participants will proceed on their own to Fairbanks on Saturday or Sunday. Post-Workshop excursions: Augustine Volcano: A Pleistocene-Holocene island dome complex that erupted dacite –andestite in 1883, 1935, 1964, 1976, 1986. Tephra, pyroclastic flows, dome growth, repeated landslide/debris avalanche. One of the most active volcanoes in Alaska, and the longest and most intensively monitored (seismic and real-time geodetic). Topics for discussion; ezplosive vs. effusive behavior, reposeeruption cycles, eruption triggerin, magma-mixing, behavior and emplacement of debris avalanches, volcanogenic tsunamis, monitoring strategies. Moderately strenuous, tent camp Leader: Richard Waitt, US Geological Survey; and Jim Begét, University of Alaska; 8 days, maximum of 15 participants. Trip begins on June 16 in Fairbanks and ends on June 22 in Homer. Katmai I: in Katmai National Park on the Alaska Peninsula; Products of the great 1912 eruption- Valley of Ten Thousand Smokes ignimbrite sheet, Novarupta Dome and 1912 vent structures, Katmai Caldera formed by collapse in 1912; Southwest Trident Volcano- lava flows and cone formed during 1950s and 60s; first night at Katmai National Park Lodge, backpack to primitive huts, followed by day hikes from huts, last night at lodge; Leader: John Eichelberger, UAF; very strenuous. Topics: Relationships among associated but chemical distinct magmas, origin of high-silica rhyolite, magma storage (seismic and petrologic constraints), caldera formation, pyroclastic flows, plinian eruptions, effusive eruptions, magma mixing. 8 days, maximum of 15 participants. Field trip fee does not include meals at lodge and in field. These additional costs are expected to be between $100 and $200. Detailed instructions on equipment and food will be provided to registrants. Trip begins on June 16 in Anchorage Alaska, and ends on June 24. Katmai II: Products of the great 1912 eruption- Valley of Ten Thousand Smokes, Novarupta Dome and 1912 vent structures, Katmai Caldera; stay in Katmai National Park Lodge, short hike to distal end of ignimbrite sheet, extensive over flight to view volcanic features of Katmai region. Abundant wildlife. Not strenuous. Leader: Terry Keith. Topics: Similar to above. June 16-19 Maximum of 7 participants. Field trip fee does not include meals at lodge and air tour (~$300). The trip will leave from Anchorage on Sunday, June 16, and also end in Anchorage. Pre-workshop short course: 1. Remote Sensing Short Course: This short course is design for those interested in using the remote sensing data acquired by AVO for real time monitoring. AVO is perhaps unique among volcano observatories in its heavy reliance on remote sensing data for generating eruption warnings. On the first day, there will be a series of lectures to familiarize participants with satellite remote sensing, the types of imagery available, and what volcanic processes look like from space. Several examples from AVO's vast archive spanning almost all eruption types will be used. Images will be manipulated in a "hands-on" environment. The second day will show participants how to get the imagery themselves (from UAF/GI sources as well as publicly available imagery such as Landsat, MODIS, ASTER, etc.), and how AVO monitoring operations function. They will have the chance to take part in a monitoring session, and see how the remote sensing alert system works. June 7-8, Fairbanks; Leaders: AVO Remote Sensing Group. Maximum 15 participants. (Fee does not include lodging in Fairbanks, 2 nights at ca. $70 each) Registration Form 3rd International Biennial Workshop on Subduction Processes Fairbanks, Alaska June Sunday 9th - Saturday 15th 2002 Return to Jon Dehn (jdehn@gi.alaska.edu) Name ______________________________________ Mailing Address: ___________________________ E-mail address _______________________________ _________________________________________ Affiliation __________________________________ Tel:______________ Workshop Cost: (check one) ____ I wish to participate in the workshop ____ I am a student and wish to participate Fax:__________________ $300 $100 Check as appropriate if you wish to participate in an excursion, (based on availability, Please number field trips in order of your interest). Pre-workshop excursions or short course; ____ Kenai Peninsula tectonics and Cook Inlet volcanoes $800 ____ Remote Sensing Short Course $100 Post-workshop excursions; ____ Augustine Volcano $800 ____ Katmai I (backpacking) $900 ____ Katmai II (light hiking and over flight) $800 TOTAL COSTS : $_________ (Please make checks payable to the Geophysical Institute. For purchase order information, contact Jon Dehn at jdehn@gi.alaska.edu)