Union(U)
Session Sub-categoryUnion
Session IDU-03
Related FieldsS, A, H
TitleCryoseismology - a new proxy for detecting surface environmental variations of the Earth -
Short TitleCryoseismology
Main ConvenerNameGenti Toyokuni
AffiliationResearch Center for Prediction of Earthquakes and Volcanic Eruptions, Graduate School of Science, Tohoku University
Co-Convener 1NameMasaki Kanao
AffiliationNational Institute of Polar Research
Co-Convener 2NameSeiji Tsuboi
AffiliationJAMSTEC, Center for Earth Information Science and Technology
Session LanguageEE
ScopeSeveral kinds of environmental signals associated with ocean - cryosphere - solid earth systems have recently been detected in bi-polar regions. Ice-related seismic motions for small magnitude events are generally named ice-quakes (ice-shocks) and can be generated by glacially related dynamics. Such kinds of cryoseismic sources are classified into the movements of ice sheets, sea-ice, oceanic tide-cracks, icebergs and the calving fronts of ice caps. Cryoseismic waves are likely to be influenced by variations in environmental conditions, and the continuous study of their time-space variability provides indirect evidence of climate change. As glacial earthquakes are the most prominent phenomena found recently in polar regions, in particular on the Greenland in this 21st century, the new innovative studies from seismology are expected by long- term monitoring under extreme conditions in the Earth's environment. Taking these issues into account, the conveners are willing to invite many contributions to a special session on "Cryoseismology", which will cover the recent achievements on glacial related seismic events and associated phenomenon observed in polar regions. It is particularly encouraged to have contributions based on seismic signals involving the dynamics of ice sheets, sea-ice, icebergs and glaciers. Although the glacial earthquakes are the most prominent evidence found recently in polar regions, all related topics involving polar seismology are welcome, such as studies of crust and mantle structure in the area, comparison of tectonic and glacier-related seismicity, recent triggered earthquakes and active volcanoes, glacial isostatic adjustment (GIA), harmonic tremor associated with cryoseismic events, etc.
Presentation FormatOral and Poster presentation
Invited Authors
  • Masaki Kanao (National Institute of Polar Research)
Time Presentation No Title Presenter Abstract
Oral Presentation May 24 AM2
10:50 - 11:05 U03-01Changes in surface-wave phase velocities below the Greenland Ice Sheet measured from three-component ambient noise correlation methodGenti Toyokuni Abstract
11:05 - 11:20 U03-02Seasonal and inter-annual dynamics of Siachen Glacier (Eastern Karakorum) observed by L-Band data, using feature tracking and backscatter intensityMuhammad Usman Abstract
11:20 - 11:35 U03-03Ambient seismic noise at a Himalayan debris-covered glacierEvgeny A. Podolskiy Abstract
11:35 - 11:50 U03-04Detection of infrasound wave on icebreaker SHIRASE during JARE-54 and -55Yoshihiro Kakinami Abstract
11:50 - 12:05 U03-05Temporal–spatial variations in infrasound sources related to cryosphere dynamics in Lützow–Holm Bay Region, AntarcticaMasaki Kanao Abstract
Presentation No Title Presenter Abstract
Poster Presentation May 24 Core Time
U03-P01 Characteristic atmosphere and ocean interaction in the coastal and marine environment inferred from infrasound at Terra Nova Bay, Antarctica - observation and initial data - Takahiko Murayama Abstract
U03-P02 Seismic tremors and their relation to cryosphere dynamics in April 2015 around the Lützow-Holm Bay, East Antarctica Masaki Kanao Abstract
U03-P03 Characteristics of ice tremors around Syowa Station, Antarctica, during 2013–2015 Yoshihiro Hiramatsu Abstract
U03-P04 Seismic observations in Greenland by a joint USA and Japanese GLISN team (2011-2017) Genti Toyokuni Abstract