Workshop Focus: Sharing recent results of research conducted at Axial Seamount
Convenors: Bill Chadwick, Oregon State University, William Wilcock, University of Washington,
and Graham Kent, University of Nevada, Reno.
Contact amber.coogan@whoi.edu for Zoom link.
Each presentation time-slot is 15 min (10-min for a talk, followed by 5-min for discussion)
AGENDA OF PRESENTATIONS
DAY 1 – Tuesday, October 7, Times are US west-coast time (UTC-7hrs)
07:00 – Welcome, Introduction, House-keeping info – Bill Chadwick (Oregon State Univ.)
07:05 – Current state of the OOI-Regional Cabled Array at Axial – Deb Kelley (Univ. of
Washington)
07:20 – Real-time monitoring of earthquakes in space & time at Axial – Felix Waldhauser
(Lamont-Doherty Earth Observatory, Columbia Univ.)
07:35 – Results from the 2022-2024 OBS experiment at Axial – Kaiwen Wang (LDEO and
Chinese Academy of Sciences, Beijing) and Meritxell Colet (LDEO, Columbia Univ.)
07:50 – Impulsive lava flow seismic events and precursory volcanic tremor associated
with the 2015 eruption – Yen Joe Tan (The Chinese Univ. of Hong Kong)
08:05 – Automated focal mechanisms for earthquakes at Axial – Maochuan Zhang (Univ. of
Washington)
08:20 – Inflation since the 2015 eruption and relation to seismicity and eruption
forecasting – Bill Chadwick (Oregon State Univ.)
08:35 – A physics-based failure model for forecasting volcanic eruptions – Qinghua Lei
(Uppsala University, Sweden)
08:50 – Inflation from repeat AUV multibeam sonar mapping & deformation modeling –
Scott Nooner (Univ. of North Carolina, Wilmington)
09:05 – 10 minute BREAK
09:15 – Assessing the use of a cabled bottom pressure recorder as a new reference site
for mobile pressure recorder surveys at Axial Seamount – Camille Sullivan (Univ. of
North Carolina, Wilmington)
09:30 – Modeling dike intrusion at the beginning of the 2015 eruption – Kendal Ward (Univ.
of North Carolina, Wilmington)
09:45 – Insights on the recent inflation of Axial Seamount from horizontal geodesy –
Maleen Kidiwela (Univ. of Washington)
10:00 – Petrologic constraints on magma storage and pathways – Dave Clague (Monterey
Bay Aquarium Research Institute, MBARI)
10:15 – Evidence for the ~1200 yrs BP age of the most recent caldera collapse at Axial –
Dave Clague (Monterey Bay Aquarium Research Institute, MBARI)
10:30 – Tephra deposits on Axial’s caldera rim, in relation to the most recent caldera
collapse event – Ryan Portner (San Jose State Univ. / Univ. of Bergen, Norway)
10:45 – Lightning talk (5-min): Using oxygen isotopes in olivine to trace magma
assimilation – Juliette Pin (University of Nevada, Reno)
10:50 – TIME SLOT FOR DISCUSSION (10 min)
11:00 – END OF DAY 1
AGENDA OF PRESENTATIONS
DAY 2 – Wednesday, October 8, Times are US west-coast time (UTC-7hrs)
07:00 – Welcome, Introduction, House-keeping info – Bill Chadwick (Oregon State Univ.)
07:05 – New view of the subsurface at Axial from the 2019 3D Multi-Channel Seismic
(MCS) survey (deep structure) – Graham Kent (Univ of Nevada, Reno / IPGP, Paris)
07:20 – New view of the subsurface at Axial from the 2019 3D MCS survey (shallow
structure) – Satish Singh (IPGP, Paris)
07:35 – MCS time-lapse analysis across the 3 different datasets – Yan Zhao (IPGP, Paris)
07:50 – Dynamic Magmatic Movement in the Deep Crust of the Axial Seamount – Li Wang
(Nanjing University, China)
08:05 – On poroelastic inversion of the geodetic time-series at Axial – Yang Liao (Woods
Hole Oceanographic Institute)
08:20 – Temporal variation of vent temperatures and crustal permeability in relation to the
volcano deformation cycle at Axial Seamount – Guangyu Xu (Univ. of Washington)
08:35 – Temperature time series and sonar imaging of hydrothermal plumes – Karen Bemis
(Rutgers Univ).
08:50 – 10-minute BREAK
09:05 – Hydrothermal chemistry – Dave Butterfield (Univ. of Washington, NOAA/PMEL)
09:15 – Subseafloor hydrology, methanogenesis, and carbon fractionation – Jim Holden
(Univ. of Massachusetts at Amherst)
09:30 – 2011 and 2015 eruption event timing from lava 210Po-210Pb Radiometric Dating –
Kenna Rubin (Univ. of Rhode Island)
09:45 – Lightning talk (5-min): Upcoming multi-span DAS experiment on the OOI-RCA –
William Wilcock (Univ. of Washington)
09:50 – Lightning talk (5-min): A comparison of calibrated pressure measurements at the
central caldera site – Yoichiro Dobash (Univ. of Washington)
09:55 – Open sharing of information about upcoming field work or planned projects related to
Axial Seamount (all)
10:00 – TIME SLOT FOR GENERAL DISCUSSION (duration flexible)
10:30 – END OF DAY 2; END OF WORKSHOP