ARTICLES

Mechanical Study of Triggered Earthquakes Caused by the 2011 Tohoku-Oki Earthquake…… Daichi WATANABE et al.

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1Strong Motion Records Observed in Buildings During 2019-2022 Earthquakes in Tohoku Region…………………………………………………………………… Susumu OHNO, Kazuya MITSUJI and Yuta SASANOMA

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Depth Estimate Using P-wave Later Phase from Pacific Offshore Earthquakes of Tohoku District…… Masahiro KOSUGA13

The 1983 Hokkaido-Nansei-Oki Earthquake for Aomori Prefecture…… Hiroshi KAGAMI and Toshihiko MIZUTA

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CMT Inversion for Earthquakes in and Around Aomori Prefecture, Northern Honshu, Japan,Using Three-Dimensional Heterogeneous Velocity Structure…………………………………… Jin MASUNAGA et al.

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Study on Impact Force of Tsunami Drifting Objects Using Load Cells…………………………………………………………… Riku TAKAHASHI, Noritoshi SAITO and Kazuya WATANABE

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Characteristics of Event Deposits in Sekine-hama, Shimokita Peninsula…… Yuta KIMURA, Rina OKADA and Koji UMEDA

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Research on Tsunami Evacuation Considering Regional Conditions Based on Evacuation Behavior Analysis…… Shin-ya HORIAI, Ikumi TACHIHANA, Kanta ENDO, Shinsuke TAKASE, Masaya KATO and Yasushi TAKEYAMA

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Hydraulic Model Tests of Tsunami Force Acting on Oil Tanks…………………………………………… Naofumi TERAMOTO, Wei DING, Yasushi UEMATSU and Akihiko OBATA

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Froude Number and Drag Coefficient in the Evaluation of Drag Force Due to a Tsunami Inundation Flow………………………………………………………………………………………………………………… Hideo MATSUTOMI

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Fundamental Study of Fluid Forces Acting on Structures………………………… Ikumi TACHIHANA, Kanta ENDO, Shinya HORIAI, Shinsuke TAKASE and Masaya KATO

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Study of the Influence of Vegetation and Driftwood in the River Channel………………………………………… Soshi OMORI, Yoshitaka JIKEN, Noritoshi SAITO and Kazuya WATANABE

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Study on the Behavior of the Sandbar Using UAV and Riverbed Fluctuations in Babame River……………………………………………………………… Yoshitaka JIKEN, Noritoshi SAITO and Kazuya WATANABE

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Hydraulic Experiment on the Bark Peeling of Driftwood Generated by Heavy Rainfall……………………………………… Kaito TAKAYA, Yoshitaka JIKEN, Noritoshi SAITO and Kazuya WATANABE

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Report on Survey of Flood Damage of August 2022 in Ichinohe Town…… Yuriko MATSUBAYASHI and Norihiko KONNO

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Damage Caused by the Flood Generated to Heavy Rain at Northern Tohoku Region in Augast 2022………………………………………………………………………… Kazuya WATANABE and Yuriko MATSUBAYASHI

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Investigation and Research on Downpour Disaster in August, 2022 in Aomori Prefecture………………………………………… Mikio SASAKI, Takahiro TAKEUCHI, Shinsuke TAKASE and Yuta MITOBE

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Development of Seismic and Tsunami Measure Technology by Using Cushioning Materials……… Yoshiaki ARIGA

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A Fundamental Study on Collapsed Carports During Snowy Earthquake…… Shunichi KATAOKA and Erina KISHI 105
Vibration Response Characteristics of Multi Story Frame Attached with Liquid Damper … Kodai MIZUMA et al. 111

Vibration Response Characteristics of Multi Story Frame Attached with Liquid Damper … KKentarou KOJIMA et al. 117
Seismic Response of a Building Composed of Several Blocks of Different Construction Ages…………………………………………………………………………………… Tomoki MIZUNO and Shunichi KATAOKA 123
Stresses Acting on the Roof Bearing of Gymnasium Structure Subjected to Earthquake Motion in two Directions……………………………………………… Sayaka ABE, Tomomi FUJITA, Naoki FUNAKI and Masayuki HANDOU 129Evacuation Drill at a Visitor Facility and its Consideration from the Perspective of Tourism Risk/Crisis Management……………………………………………………………………………………………………………………… Shuji YAMADA 135
Age Structure of Post-Disaster Inter-Prefectural Migration……………… Makoto OKUMURA and Hatsune MOTOI 141
Tracking of the 1983 Nihonkai-Chubu Earthquake Disaster by Newspaper Articles……………………………………………………………………………………… Toshihiko MIZUTA and Hiroshi KAGAMI 145