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4. Seismology

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  1. A numerical investigation of surface wave propagation in the surface wave exploration of river embankments is implemented using 3D shallow soil models with different subsurface shapes and S-wave velocities. Th...

    Authors: Shuntaro Miyanaga and Hiroaki Yamanaka
    Citation: Earth, Planets and Space 2023 75:135
  2. In this study, we compared observations and predictions submitted by participants for blind prediction experiments for ground motions using aftershocks, foreshock, and mainshock of the 2016 Kumamoto earthquake...

    Authors: Seiji Tsuno, Fumiaki Nagashima, Hiroshi Kawase, Hiroaki Yamanaka and Shinichi Matsushima
    Citation: Earth, Planets and Space 2023 75:130
  3. High-resolution seismic image is critically important for mining minerals. In this study, we collected seismic data from a local dense seismic array consisting of 154 stations around the Anyuan mining area and...

    Authors: Meng Gong, Jian Lv, Xingmian Zhang, Yong Zheng, Hao Chen, Jun Dong, Xiaohui Zha, Zheng Li, Shuzhong Sheng and Tongli Wang
    Citation: Earth, Planets and Space 2023 75:129
  4. The source imaging for offshore earthquakes using terrestrial geodetic data has a limited estimation performance due to the low data resolution. One approach to overcome this limitation is the use of seafloor ...

    Authors: Hisahiko Kubo, Tatsuya Kubota, Wataru Suzuki and Takeshi Nakamura
    Citation: Earth, Planets and Space 2023 75:125
  5. On September 26, 2019, an Mw 6.5 earthquake occurred 23 km northeast of Ambon City, Indonesia, followed by numerous aftershock series related to a complex fault network reactivation in the Ambon and Seram regi...

    Authors: Aria W. Baskara, David P. Sahara, Andri D. Nugraha, Andi Azhar Rusdin, Z. Zulfakriza, Sri Widiyantoro, Wahyu Triyoso, Awali Priyono, Nanang T. Puspito, Hasbi Ash Shiddiqi, Dian Kusumawati, Alfend Rudyawan and Erfin Elly
    Citation: Earth, Planets and Space 2023 75:124
  6. When the 2003 Tokachi-oki earthquake generated a large tsunami off eastern Hokkaido, Japan, it was detected by cabled ocean-bottom pressure gauges (OBPs) installed within the seismic source region. The OBP rec...

    Authors: SatByul Kim, Tatsuhiko Saito, Tatsuya Kubota and Sung-Joon Chang
    Citation: Earth, Planets and Space 2023 75:113
  7. We present horizontal ground motion predictions at a soft site in the Kumamoto alluvial plain for the Mj 5.9 and Mj 6.5 Kumamoto earthquakes of April 2016, in the framework of an international blind prediction...

    Authors: Salomon Hailemikael, Giuseppe Di Giulio, Giuliano Milana, Maurizio Vassallo and Paola Bordoni
    Citation: Earth, Planets and Space 2023 75:105
  8. For the accurate prediction of earthquake ground motions, the investigation of three elements in its process, namely the source, path, and site effects, is crucial, and their accuracy and reliability should be...

    Authors: Fumiaki Nagashima, Hiroshi Kawase, Kenichi Nakano and Eri Ito
    Citation: Earth, Planets and Space 2023 75:104
  9. To investigate the dominant deformational patterns and stress conditions in the upper crustal structure of the Kinki region, southern-central Japan, we constructed a high-resolution 3D azimuthal anisotropy mod...

    Authors: Bokani Nthaba, Tatsunori Ikeda, Takeshi Tsuji and Yoshihisa Iio
    Citation: Earth, Planets and Space 2023 75:102
  10. After the occurrence of a large earthquake, engineering seismologists are often requested to estimate strong ground motions at a site where strong motion data were not obtained. The goal of this study was to t...

    Authors: Atsushi Nozu
    Citation: Earth, Planets and Space 2023 75:101
  11. Mw 7.6 and Mw 7.4 earthquakes occurred 16 h apart on April 12 and April 13, 2014, at depths of 15 km and 35 km, respectively, southwest of Makira Island (San Cristobal) in the Solomon Islands. We study the sou...

    Authors: Calvin Luiramo Qwana, Masatoshi Miyazawa and James Mori
    Citation: Earth, Planets and Space 2023 75:99

    The Correction to this article has been published in Earth, Planets and Space 2023 75:106

  12. Precisely evaluating the source, path, and site terms in a broadband frequency range is indispensable for quantitatively predicting strong motions. We conducted a generalized spectral inversion of strong motio...

    Authors: Eri Ito, Kenichi Nakano, Haruko Sekiguchi, Fumiaki Nagashima and Hiroshi Kawase
    Citation: Earth, Planets and Space 2023 75:97
  13. Following the 1923 Kanto earthquake in Japan, Japanese researchers noticed the strong effects of surface geology on seismic motion (ESG) and began to investigate these effects to quantify the site amplificatio...

    Authors: Hiroshi Kawase, Kenichi Nakano, Fumiaki Nagashima, Eri Ito, Jikai Sun and Ziqian Wang
    Citation: Earth, Planets and Space 2023 75:95
  14. We present velocity structure inversion for three stations of Iranian Strong Motion Network (ISMN), and one KiK-net station that is used as a benchmark, for the application of diffuse wave-field concept in tec...

    Authors: Iman Ashayeri, Eri Ito and Hiroshi Kawase
    Citation: Earth, Planets and Space 2023 75:94
  15. The geometry of the Philippine Sea slab (PHS) subducting beneath the Japanese islands has been imaged to 400 km depth beneath the Kyushu and Chugoku regions, whereas the PHS slab geometry beneath the Hokuriku ...

    Authors: Kazuki Miyazaki, Junichi Nakajima, Nobuaki Suenaga and Shoichi Yoshioka
    Citation: Earth, Planets and Space 2023 75:93
  16. To estimate the phase velocity using the array observations of microtremors, some algorithms for the estimation include constraints on the array shape, such as equilateral triangles or the placement of receive...

    Authors: Harusato Kimura, Hitoshi Morikawa, Haruka Tomobe and Kahori Iiyama
    Citation: Earth, Planets and Space 2023 75:88
  17. The mainshock of the 2016 Kumamoto Earthquake (Mw 7.0) caused extensive damage to buildings in downtown Mashiki, Kumamoto Prefecture, Japan. The heavy building damage in the area was associated with both stron...

    Authors: Kiyoshi Fukutake, Kazuhiro Yoshida, Hiroshi Kawase, Fumiaki Nagashima and Jikai Sun
    Citation: Earth, Planets and Space 2023 75:87
  18. In volcanic regions, active earthquake swarms often occur in association with volcanic activity, and their rapid detection and analysis are crucial for volcano disaster prevention. Currently, these processes a...

    Authors: Ahyi Kim, Yuji Nakamura, Yohei Yukutake, Hiroki Uematsu and Yuki Abe
    Citation: Earth, Planets and Space 2023 75:85
  19. The 2021 Mw 7.1 and 2022 Mw 7.4 Fukushima-oki earthquakes ruptured adjacent regions in the subducting slab, which gave us a good opportunity to better understand the rupture process of an intraslab earthquake and...

    Authors: Hiroaki Kobayashi, Tetsushi Watanabe and Kazuki Koketsu
    Citation: Earth, Planets and Space 2023 75:81
  20. 1D velocity profiles at a strong motion station in the northern part of the Kumamoto plain, Japan, were submitted in Step-1 of the blind prediction exercise of strong ground motions in the sixth international ...

    Authors: Kosuke Chimoto, Hiroaki Yamanaka, Seiji Tsuno and Shinichi Matsushima
    Citation: Earth, Planets and Space 2023 75:79
  21. The study of ground resonances is important to assess seismic site amplification and to infer information on the geometrical and mechanical properties of the resonating structures. 1D- and 2D-type resonances i...

    Authors: Giulia Sgattoni, Giovanni Lattanzi and Silvia Castellaro
    Citation: Earth, Planets and Space 2023 75:74
  22. Time-averaged shear-wave velocity to 30 m (VS30) is commonly used in ground motion models as a parameter for evaluating site effects. This study used a collection of boreholes in Beijing, Tianjin, Guangxi, Guangd...

    Authors: Yuting Zhang, Yefei Ren, Ruizhi Wen, Hongwei Wang and Kun Ji
    Citation: Earth, Planets and Space 2023 75:72
  23. Recent laboratory friction experiments on large rock samples revealed that dynamic weakening, a remarkable reduction in the friction coefficient at elevated slip rates, occurs at lower slip rates in larger sam...

    Authors: Hiroyuki Noda
    Citation: Earth, Planets and Space 2023 75:71

    The Correction to this article has been published in Earth, Planets and Space 2023 75:108

  24. To advance the methodology for validating velocity models by waveform comparison, we estimated source parameters for small magnitude earthquakes that can be approximated by point sources. Instead of using publ...

    Authors: Anatoly Petukhin and Yoshinori Iwasaki
    Citation: Earth, Planets and Space 2023 75:69
  25. Site amplification is an important component of strong ground motion prediction as it differs among sites, reflecting its specific local subsurface geology. Here, we confirm that site amplifications are simila...

    Authors: Kenichi Nakano and Hiroshi Kawase
    Citation: Earth, Planets and Space 2023 75:65
  26. This paper describes the methods and results of the strong ground motion simulations for three earthquakes from the 2016 Kumamoto earthquake sequence using corrected empirical Green’s functions. The target ear...

    Authors: Yosuke Nagasaka
    Citation: Earth, Planets and Space 2023 75:61
  27. We report the first experiments, where simultaneous electrical resistivity and elastic wave velocity measurements are acquired during the triaxial deformation of granite under brine-saturated conditions. Both ...

    Authors: Ikuo Katayama, Yu Aoi, Kazumasa Tanimoto, Yuya Akamatsu and Kazuki Sawayama
    Citation: Earth, Planets and Space 2023 75:56
  28. The long-period strong ground motions with periods above 1 s have, in the case of farther or deeper earthquakes, potential to cause serious damage to structures with low eigen frequency, such as long bridges, ...

    Authors: Ivo Oprsal, Haruko Sekiguchi, Tomotaka Iwata and Jan Burjanek
    Citation: Earth, Planets and Space 2023 75:55
  29. An earthquake swarm in the Wakayama prefecture, Japan, is known as the most active and persistent swarm, with > 95,000 earthquakes (M ≥ –1.3) occurring during the 2003–2020 period. However, no systematic studies ...

    Authors: Junichi Nakajima
    Citation: Earth, Planets and Space 2023 75:48
  30. The Yufutsu Plain, a sedimentary basin surrounded by mountains, is located in the southern part of the Ishikari–Yufutsu Lowlands, Hokkaido, Japan. The Hidaka arc–arc collision zone, located in the eastern part...

    Authors: Naofumi Nakagawa, Nobuo Takai and Michiko Shigefuji
    Citation: Earth, Planets and Space 2023 75:42
  31. The study used data acquired by the ESG6 Blind Prediction Step BP1 Working Group for purposes of facilitating a comparison of interpretation methods for obtaining shear-wave velocity profiles (Vs) from array obse...

    Authors: Michael Asten, Aysegul Askan and Shaghayegh Karimzadeh
    Citation: Earth, Planets and Space 2023 75:40
  32. We participated in the blind prediction exercise organized by the committee of the blind prediction experiment during the 6th International Symposium on Effects of Surface Geology on Seismic Motion (CBP-ESG6)....

    Authors: Fumiaki Nagashima, Hiroshi Kawase, Kenichi Nakano and Eri Ito
    Citation: Earth, Planets and Space 2023 75:35
  33. Shikoku island, southwestern Japan lies in the western Nankai Trough and showcases along-strike segmentation of slow earthquake behavior. Whether the spatial variation of tremor behavior reflects the regional ...

    Authors: Kate Huihsuan Chen, Hao-Yu Chiu, Kazushige Obara and Yi-Hung Liu
    Citation: Earth, Planets and Space 2023 75:32
  34. We present our pathway through participation in the blind Kumamoto exercise, particularly the Step 1 of site characterization. The combination of passive and active seismic imaging techniques is used to image ...

    Authors: E. Diego Mercerat and T. Dylan Mikesell
    Citation: Earth, Planets and Space 2023 75:31
  35. The elastodynamic half-space Green’s function has been the subject of research for more than a century since the Lamb’s classical solution. Here, we revisit the problem and present a new closed analytical solu...

    Authors: Francisco J. Sánchez-Sesma, Francisco Luzón, Antonio García-Jerez, Mathieu Perton, Mario A. Sáenz-Castillo and César A. Sierra-Álvarez
    Citation: Earth, Planets and Space 2023 75:29
  36. The 2022 eruption of the Hunga Tonga-Hunga Ha'apai volcano excited an atmospheric Lamb wave, which induced a fast-traveling tsunami. This tsunami was driven by the pressure-forced wave traveling at the speed o...

    Authors: Tung-Cheng Ho, Nobuhito Mori and Masumi Yamada
    Citation: Earth, Planets and Space 2023 75:25
  37. To clarify the characteristics of high-frequency (> 1 Hz) S and S-coda waves at ocean-bottom seismometers (OBSs), we analyzed seismograms observed at permanent OBSs and inland broadband seismometers around the Ki...

    Authors: Shunsuke Takemura, Kentaro Emoto and Lina Yamaya
    Citation: Earth, Planets and Space 2023 75:20
  38. The 2016 Kumamoto earthquakes caused severe damage centering on the Mashiki residential area. The velocity waveforms at station KMMH16 in Mashiki, during the M7.3 mainshock, show large pulses. We found that sever...

    Authors: Anatoly Petukhin, Hiroshi Kawase, Fumiaki Nagashima and Eri Ito
    Citation: Earth, Planets and Space 2023 75:16
  39. In subduction zones, slip deficit monitoring along the plate interface is important for understanding the seismogenesis of megathrust earthquakes. In the last two decades, aseismic slip transients, such as slo...

    Authors: Suguru Yabe, Tadafumi Ochi, Norio Matsumoto, Satoshi Itaba, Yuichi Kitagawa and Takanori Matsuzawa
    Citation: Earth, Planets and Space 2023 75:13
  40. Our recent paper (Nishiyama et al. in Earth Planets Space 73:126, 2021) suggested that the sealing time of a crack-seal event recorded in quartz-filled shear veins in the Makimine mélange may temporally increa...

    Authors: Naoki Nishiyama
    Citation: Earth, Planets and Space 2023 75:3

    The original article was published in Earth, Planets and Space 2023 75:2

  41. A recent paper by Nishiyama et al. (Earth, Planets, and Space 73:126) examined syntectonic quartz veins to constrain temporal variations in the recurrence intervals between slow slip and tremor events. The aut...

    Authors: Randolph T. Williams
    Citation: Earth, Planets and Space 2023 75:2

    The original article was published in Earth, Planets and Space 2021 73:126

    The Comment to this article has been published in Earth, Planets and Space 2023 75:3

  42. S-net is a large-scale ocean bottom (OB) network in the Japan Trench area, consisting of inline-type 150 observatories equipped with seismometers and pressure gauges. Among them, 41 observatories have been bur...

    Authors: Yadab P. Dhakal, Takashi Kunugi, Hiroaki Yamanaka, Atsushi Wakai, Shin Aoi and Azusa Nishizawa
    Citation: Earth, Planets and Space 2023 75:1
  43. The Izu–Bonin–Mariana Subduction System (IBM) is one of the longest subduction zones in the world with no instrumental history of shallow focus, great earthquakes (Mw > 8). Over the last 50 years, researchers ...

    Authors: Walter Szeliga, Rachelle Reisinger and Breanyn MacInnes
    Citation: Earth, Planets and Space 2022 74:193

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