[M-TT38] Brand-new scope of coupling geophysics being established by infrasound and associated waves

[MTT38-11] Seismic/Infrasound observations in the Antarctic region via penetrator.

*Yasuhiro Nishikawa¹, Masa-yuki Yamamoto¹, Satoshi Tanaka³, Kodai Yamamoto², Takamasa Hiratsuka⁴ (1.Kochi University of technology. School of System Engoneering., 2.Kochi university of Technology, Aerospace Engineering, 3.Department of Solid Planetary Sciences Institute of Space and Astronautical Science, 4.Kochi University of Technology, Fundamental Engineering.)

Keywords:Infrasound, Penetrator, Antarctica, cryoseism

The drop-type instrument penetrators originally developed for forming the lunar seismic observation network can safely install instruments in the locations that are difficult for human to reach (unmanned place). One of the unmanned places on Earth is the Antarctic region, characterized by its distance from the civilized world and harsh climate. The status of Antarctica, especially its glaciers, is highly sensitive to climate changes, making it an important target for observation. The observation plan for glaciers near Syowa Station, titled "Development of Antarctic Observation Penetrators and Intensive Observation in the Shirase Glacier and Surrounding Area," was selected as a part of the Antarctic research and observation program by the 64th, 65th and 66th Japan Antarctic Research Expedition (JARE 64,65 and 66). This presentation will show the operational development of the penetrator equipped with infrasound sensors and seismic/infrasound observations conducted in Antarctica.