Poster session (3rd Day)

Special session » S22. Earthquakes, tsunamis, and related phenomena around Hokkaido subduction zone

[S22P] PM-P

Wed. Oct 26, 2022 1:30 PM - 4:00 PM ROOM P-2 (10th floor (Conference Room 1010-1070))

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1:30 PM - 4:00 PM

[S22P-01] Estimation of early postseismic slip following the 2003 Tokachi-oki earthquake by assimilating high-rate GNSS data

*Masayuki KANO¹, Yuji Itoh^2,3 (1. Tohoku University, 2. ISTerre, Université Grenoble Alpes, 3. Earthquake Research Institute, the University of Tokyo)

1:30 PM - 4:00 PM

[S22P-02] Evaluation for hypocenter estimation error in the Kuril trench using seismic data

*Masayoshi ICHIYANAGI¹, Hiroaki Takahashi¹, Ryosuke Azuma² (1. ISV, Hokkaido University, 2. AOB, Tohoku University)

1:30 PM - 4:00 PM

[S22P-03] Three-dimensional Vs structure in the offshore forearc region along the Japan and Kuril trenches estimated by ambient noise tomography

*Ryota Takagi¹, Kiwamu Nishida² (1. Graduate School of Science, Tohoku University, 2. Earthquake Research Institute, The University of Tokyo)

1:30 PM - 4:00 PM

[S22P-04] Difference of tsunami sources by great earthquakes that occurred in the southern Kuril trench around the 17th and 13th centuries

*Kei IOKI¹, Yuki SAWAI¹, Yuichi NAMEGAYA¹ (1. Geological Survey of Japan, AIST)

1:30 PM - 4:00 PM

[S22P-05] A preliminary study on the western source area of the tsunami that struck the Pacific coast of Hokkaido, Japan, on April 25th, 1843

*Yuichi NAMEGAYA¹ (1. Research Institute of Earthquake and Volcano Geology (IEVG), National Institute of Advanced Industrial Science and Technology (AIST) )

1:30 PM - 4:00 PM

[S22P-06] Nonlinear and linearized propagation characteristics of the 2003 Tokachi-Oki tsunami

*Yusuke YAMANAKA¹, Yuichiro TANIOKA¹ (1. Institute of Seismology and Volcanology, Hokkaido University)

Session information

[S22P] PM-P

[S22P-01] Estimation of early postseismic slip following the 2003 Tokachi-oki earthquake by assimilating high-rate GNSS data

[S22P-02] Evaluation for hypocenter estimation error in the Kuril trench using seismic data

[S22P-03] Three-dimensional Vs structure in the offshore forearc region along the Japan and Kuril trenches estimated by ambient noise tomography

[S22P-04] Difference of tsunami sources by great earthquakes that occurred in the southern Kuril trench around the 17th and 13th centuries

[S22P-05] A preliminary study on the western source area of the tsunami that struck the Pacific coast of Hokkaido, Japan, on April 25th, 1843

[S22P-06] Nonlinear and linearized propagation characteristics of the 2003 Tokachi-Oki tsunami

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