SGAT Publications

Submitted or in press

Xu, L., Ji, C., Ampuero, J.-P., Yunjun, Z., Mohanna, S., and Aoki, Y., The 2024 Mw 7.5 Noto Earthquake: Dual-initiation ruptures encircling a strong fault asperity, submitted.

Geng, J., Zhang, H., Li, G., and Aoki, Y., On the interoperability of GPS/Galileo/BDS-3 overlap-frequency signals in mitigating multipath effects for geoscience applications, Satellite Navigation, submitted.

Ma, Z., Zeng, H., Luo, H., Liu, Z., Jiang, Y., Aoki, Y., Wang, W., Itoh, Y., Lyu, M., Cui, Y., Yun, S.-H., Hill, E. M., Wei, S., 2024 Noto Earthquake: Large shallow slip from slow initial rupture in a fluid-rich fault zone, submitted.

Aoyama, T., Takeuchi, N., and Aoki, Y., Accurate epicenter locations in the vicinity of the seamount by using BBOBS array data, Journal of Volcanology and Geothermal Research, submitted.

Ma, Z., Wang, N., Yang, Y., Aoki, Y., and Wei, S., Unwrapping error and fading signal correction on multi-looked InSAR data, Remote Sensing and Environment, submitted.

(92). Aoki, Y., Forecasting the fate of vertically propagating dikes from geodetic data, Earth Planets and Space, in press.

(91). Gao, Z., He, X., Ma, Z., Wei, S., Xiong, J., and Aoki, Y., Distributed scatterer interferometry for fast decorrelation scenarios based on sparsity regularization, IEEE Transactions on Geoscience and Remote Sensing, in press.

(90). Aoki, Y. and Kreemer, C., Introduction, in GNSS Monitoring of the Terrestrial Environment, in press.

(89). Aoki, Y., Volcano deformation, in GNSS Monitoring of the Terrestrial Environment, in press.

2024

88. Ma, Z., Li, C., Jiang, Y., Chen, Y., Yin, X., Aoki, Y., Yun, S.-H., and Wei, S. (2024), Space geodetic insights to the dramatic stress rotation induced by the February 2023 Turkey-Syria earthquake doublet, Geophysical Research Letters, 51, e2023GL107788. doi:10.1029/2023GL107788.

87. Xu, L., Aoki, Y., Wang, J., Cui, Y., Q. Chen, Y. Yang, and Yao, Z. (2024), The 2023 Mw 7.8 and Mw 7.6 earthquake doublet in SE Türkiye: coseismic and early postseismic deformation, faulting model and potential seismic hazard, Seismological Research Letters, 95, 562-573. doi:10.1785/0220230146.

86. Benet, D., Costa, F., Widiwijayanti, C., Pallister, J., Pedreros, G., Allard, P., Humaida, H., Aoki, Y., and Maeno, F. (2024) VolcAshDB: a Volcanic Ash DataBase of classified particle images and features. Bulletin of Volcanology, 86, 9. doi:10.1007/s00445-023-01695-4.

2023

85. Tanaka, Y. and Aoki, Y. (2023), A geodetic determination of the gravitational potential difference toward a 100-km-scale clock frequency comparison in a plate subduction zone, in Geodesy for a Sustainable Earth, Freymueller, J. and Sánchez, L. (eds.), International Association of Geodesy Symposia, 154, 155-163, Springer. doi:10.1007/1345_2022_147.

84. Zhang, Y., Bao, H., Meng, L., and Aoki, Y. (2023), Understanding and mitigating the spatial bias of earthquake source imaging with Regional Slowness Enhanced Back-Projection, Journal of Geophysical Research Solid Earth, 128, e2022JB025525. doi:10.1029/2022JB025525.

83. Aoki, Y. (2023), Editorial: Remote sensing in volcanology, Frontiers in Earth Science, 11, 1140675. doi:10.3389/feart.2023.1140675.

82. Sheng, Y., Mordret, A., Brenguier, F., Boué, P., Vernon, F., Takeda, T., Aoki, Y., Taira, T., and Ben-Zion, Y. (2023), Repeating anthropogenic seismic sources: Implications for seismic velocity monitoring at fault zones, Journal of Geophysical Research Solid Earth, 128, e2022JB024725. doi:10.1029/2022JB024725.

81. Zhang, Y., Bao, H., Aoki, Y., and Hashima, A. (2023), Integrated seismic source model of the 2021 M7.1 Fukushima Earthquake, Geophysical Journal International, 233, 93-106. doi:10.1093/gji/ggac433.

2022

80. Ma, Z., Wei, S., Li, X., Aoki, Y., Liu, J., Liu, X., Mao, W., Yang, S., Wang, N., Huang, Q., Huang, T., and Yun, S.-H. (2022), Challenges and prospects to Time Series Burst Overlap interferometry (BOI): Some insights from a new BOI algorithm test over the Chaman Fault, IEEE Transactions on Geoscience and Remote Sensing, 60, 5118219. doi:10.1109/TGRS.2022.3210437.

79. Caudron, C., Aoki, Y., Lecocq, T., De Plaen, R., Soubestre, J., Mordret, A., Seydoux, L., and Terakawa, T. (2022), Hidden pressurized fluids prior to the 2014 phreatic eruption at Mt Ontake, Nature Communications, 13, 6145. doi:10.1038/s41467-022-32252-w.

78. Takeo, M., Aoki, Y., and Koyama, T. (2022), Recent volcanic activity at Asama Volcano (2004-2017) and long-period seismic signals, Proceedings of the Japan Academy, Series B, 98, 416-438. doi:10.2183/pjab.98.022.

77. Aoki, Y. (2022), Earthquakes focal mechanisms as a stress meter of active volcanoes, Geophysical Research Letters, 49, e2022GL100482. doi:10.1029/2022GL100482.

76. Ma, Z.-F., Wei, S.-W., Aoki, Y., Liu, J.-H., and Huang, T. (2022), A new spatiotemporal InSAR tropospheric noise filtering: An interseismic case study over central San Andreas fault, IEEE Transactions on Geoscience and Remote Sensing, 60, 5235016. doi:10.1109/TGRS.2022.3206540.

75. Yunjun, Z., Fattahi, H., Pi, X., Rosen, P., Simons, M., Agram, P., and Aoki, Y. (2022), Range geolocation accuracy of C/L-band SAR and its implications for operational stack coregistration, IEEE Transactions on Geoscience and Remote Sensing, 60, 5227219. doi:10.1109/TGRS.2022.3168509.

74. Takeo, A., Nishida, K., Aoyama, H., Ishise, M., Kai, T., Kurihara, R., Maeda, T., Mizutani, Y., Nakashima, Y., Nagahara, S., Wang, X., Ye, L., Akuhara, T., and Aoki, Y. (2022), S-wave modeling of the Showa-Shinzan lava dome in Usu Volcano, Northern Japan, from seismic observations, Geophysical Journal International, 230, 1662-1678. doi:10.1093/gji/ggac111.

73. Itoh, Y., Aoki, Y., and Fukuda, J. (2022), Imaging evolution of Cascadia slow-slip event using high-rate GPS, Scientific Reports, 12, 7179. doi:10.1038/s41598-022-10957-8.

72. Ma, Z., Liu, J., Aoki, Y., Wei, S., Liu, X., Cui, Y., Hu, J., Zhou, C., Qin, S., Huang, T., and Li, Z. (2022), Towards Big SAR Data Era: a review workflow for efficient Sentinel-1 near-real-time InSAR processing, ISPRS Journal of Photogrammetry and Remote Sensing, 188, 286-300. doi:10.1016/j.isprsjprs.2002.04.013.

71. Himematsu, Y., Aoki, Y., and Ozawa, T. (2022), Inter-eruptive spatiotemporal variation of caldera contraction on Miyakejima volcano revealed by PALSAR and PALSAR-2 time-series data, Journal of Volcanology and Geothermal Research, 426, 107548. doi:10.1016/j.jvolgeores.2022.107548.

70. Itoh, Y. and Aoki, Y. (2022), On the performance of position-domain sidereal filter for 30-sec kinematic GPS to mitigate multipath errors, Earth Planets and Space, 74, 23. doi:10.1186/s40623-022-01584-8.

69. Cui, Y., Ma, Z., Aoki, Y., Liu, J., Yue, D., Hu, J., Zhou, C., and Li, Z. (2022), Refining slip distribution in moderate earthquakes using Sentinel-1 burst overlap interferometry: A case study over May 15, 2020 Mw 6.5 Monte Crust Range earthquake, Geophysical Journal International, 229, 472-486. doi:10.1093/gji/ggab492.

2021

68. Ho, T.-C., Satake, K., Watada, S., Hsieh, M.-C., Chuang, R., Aoki, Y., Mulia, I., Gusman, A., and Liu, C.-H. (2021), Tsunami Induced by the Strike-Slip Fault of the 2018 Palu Earthquake (Mw=7.5), Sulawesi Island, Indonesia, Earth and Space Science, 8, e2020EA001400. doi:10.1029/2020EA001400.

67. Yunjun, Z., Amelung, F., and Aoki, Y. (2021), Imaging the hydrohermal system of Kirishima volcanic complex, Japan with ALOS-1/2 InSAR time series, Geophysical Research Letters, 48, e2021GL092879. doi:10.1029/2021GL092879.

66. Aoki, Y., Furuya, M., De Zan, F., Doin, M.-P., Eineder, M., Ohki, M., and Wright, T. J. (2021), Special issue "L-band Synthetic Aperture Radar: Current and future perspective to Earth sciences", Earth Planets and Space, 73, 56. doi:10.1186/s40623-021-01363-x.

2020

65. Narita, S., Ozawa, T., Aoki, Y., Shimada, M., Furuya, M., Takada, Y., and Murakami, M. (2020), Precursory ground deformation of the 2018 phreatic eruption on Iwo-Yama volcano, revealed by four-dimensional joint analysis of airborne and spaceborne InSAR, Earth Planets and Space, 72, 145. doi:10.1186/s40623-020-01280-5.

64. Nishida, K., Mizutani, Y., Ichihara, M., and Aoki, Y. (2020), Time-lapse monitoring of seismic velocity associated with 2011 Shinmoe-dake eruption using seismic interferometry, Journal of Geophysical Research Solid Earth, 125, e2020JB020180. doi:10.1029/2020JB020180.

63. Xu, W., Xie, L., Aoki, Y., Rivalta, E., and Jónsson, S. (2020), Volcano-wide deformation after the start of the 2017 Erta Ale eruption, Ethiopia, observed with radar interferometry, Journal of Geophysical Research Solid Earth, 125, e2020JB019562. doi:10.1029/2020JB019562.

62. Himematsu, Y., Ozawa, T., and Aoki, Y. (2020), Coeruptive crustal deformation associated with the 2018 Kusatsu-Shirane phreatic eruption based on PALSAR-2 time-series analysis, Earth Planets and Space, 72. 116. doi:10.1186/s40623-020-01247-6.

61. Caudron, C., Chardot, L., Girona, T., Aoki, Y., and Fournier, N. (2020), Editorial: Towards improved forecasting of volcanic eruptions, Frontiers in Earth Science. 8, 45. doi:10.3389/feart.2020.00045.

2019

60. Saade, M., Araragi, K. R., Montagner, J.-P., Kaminski, E., Roux, P., Aoki, Y., and Brenguier, F. (2019), Evidence of reactivation of a hydrothermal system from seismic anisotropy changes, Nature Communications, 10, 5278. doi:10.1038/s41467-019-13156-8.

59. Wang, X., Aoki, Y., and Chen, J. (2019), Surface deformation of Asama Volcano, Japan, detected by time series InSAR combining persistent and distributed scatterers, 2014‒2018, Earth Planets and Space, 71, 121. doi:10.1186/s40623-019-1104-9.

58. Ozawa, T., Aoki, Y., Okuyama, S., Wang, X., Miyagi, Y., and Nohmi, A. (2019), Database of crustal deformation observed by SAR: Improving atmospheric delay mitigation for satellite SAR Interferometry and developing L-Band multi-type portable SAR, Journal of Disaster Research, 14, 713-727. doi:10.20965/jdr.2019.p0713.

57. Henderson, S. T., Pritchard, M. E., Cooper, J. R., and Aoki, Y. (2019), Remotely sensed deformation and thermal anomalies at Mount Pagan, Mariana Islands, Frontiers in Earth Science, 7, 238, doi:10.3389/feart.2019.00238.

56. Arbad, A. P., Takeuchi, W., Aoki, Y., and Ardy, A. (2019), Vulnerability assessment at Mt. Bromo Indonesia by using time-series land surface deformation and GIS, Applied Research on Civil Engineering and Environment, 1, 24-30.

55. Aoki, Y., Tsunematsu, K., and Yoshimoto, M. (2019), Recent progress of geophysical and geological studies of Mt. Fuji Volcano, Japan, Earth-Science Reviews, 194. 264-282, doi:10.1016/j.earscirev.2019.05.003.

54. Wang, X. and Aoki, Y. (2019), Posteruptive thermoelastic deflation of intruded magma in Usu Volcano, Japan, 1992–2017, Journal of Geophysical Research Solid Earth, 124, 335-357, doi:10.1029/2018JB016729.

2018

53. Arbad, A. P., Takeuchi, W., Aoki, Y., Ardy, A., and Jamilah, M. (2018), Surface deformation estimation of Mt. Bromo Indonesia using time-Series InSAR analysis of Small Baseline Subset, TEKNIK, 39, 132-136, doi:10.14710/teknik.v39n2.20052.

52. Aditiya, A., Aoki, Y., and Anugrah, R. D. (2018), Surface deformation monitoring of Sinabung volcano using multi temporal InSAR method and GIS analysis for affected area assessment, IOP Conference series: Materials Science and Engineering, 344, 012003, doi:10.1088/1757-899X/344/1/012003.

2017

51. Aditiya, A., Takeuchi, W., and Aoki, Y. (2017), Land subsidence monitoring by InSAR time series technique derived From ALOS-2 PALSAR-2 over Surabaya City, Indonesia, IOP Conference series: Earth and Environmental Science, 98, 012010, doi:10.1088/1755-1315/98/1/012010.

50. Zhan, Y., Gregg, P. M., Chaussard, E., and Aoki, Y. (2017), Sequential assimilation of volcanic monitoring data to quantify eruption potential of Kerinci volcano, Frontiers in Earth Science, 5, 108, doi:10.3389/feart.2017.00108.

49. Wang, Q.-Y., Brenguier, F., Campillo, M., Lecointre, A., Takeda, T., and Aoki, Y. (2017), Seasonal crustal seismic velocity changes throughout Japan, Journal of Geophysical Research Solid Earth, 122, 7987-8002, doi:10.1002/2017JB014307.

48. Andreas, H., Abidin, H., Sidiq, T., Gumilar, I., Aoki, Y., and Sumintadireja, P. (2017), Understanding the trigger of LUSI System from ground deformation signatures, Geological Society London Special Publications, 441, 199-212, doi:10.1144/SP441.10.

47. Bonaccorso, A., Aoki, Y., and Rivalta, E. (2017), Dike propagation energy balance from deformation modeling and seismic release, Geophysical Research Letters, 44, 5486-5494, doi:10.1002/2017GL074008.

46. Aoki, Y. (2017), Space geodetic tools provide early warnings for earthquakes and volcanic eruptions, Journal of Geophysical Research Solid Earth, 122, 3241-3244, doi:10.1002/2017JB014287.

45. Cattania, C., Rivalta, E., Hainzl, S., Passarelli, L., and Aoki, Y. (2017), A nonplanar slow rupture episode during the 2000 Miyakejima dike intrusion, Journal of Geophysical Research Solid Earth, 122, 2054-2068, doi:10.1002/2016JB013722.

44. Nobile, A., Acocella, V., Ruch, J., Aoki, Y., Borgstrom, S., Siniscalchi, V., and Geshi, N. (2017), Steady subsidence of a repeatedly erupting caldera through InSAR observations: Aso, Japan, Bulletin of Volcanology, 79, 32, doi:10.1007/s00445-017-1112-1,

43. Prudencio, J., Taira, T., Aoki, Y., Aoyama, H., and Onizawa, S. (2017), Intrinsic and scattering attenuation images of Usu volcano, Japan, Bulletin of Volcanology, 79, 29, doi:10.1007/s00445-017-1117-9.

42. Prudencio, J., Aoki, Y., Takeo, T., Ibáñez, J. M., Del Pezzo, E., and Song, W. (2017), Separation of scattering and intrinsic attenuation in Asama volcano (Japan): evidences of high volcanic structural contrasts, Journal of Volcanology and Geothermal Research, 333-334, 96-103, doi:10.1016/j.jvolgeores.2017.01.014.

2016

41. Xu, W., Jónsson, S., Ruch, J., and Aoki, Y. (2016), The 2015 Wolf (Galápagos) eruption studied using Sentinel-1 and ALOS-2 interferometry, Geophysical Research Letters, 43, 9573-9580, doi:10.1002/2016GL069820.

40. Aoki, Y. (2016), Recent proress of volcano deformation studies, Bulletin of Volcanological Society of Japan, 61, 311-344 (in Japanese and English abstract and figure captions).

39. Savage, M. K., Aoki, Y., Unglert, K., Ohkura, T., Umakoshi, K., Shimizu, H., Iguchi, M., Tameguri, T., Ohminato, T., and Mori, J. (2016), Stress, strain rate and anisotropy in Kyushu, Japan, Earth and Planetary Science Letters, 439, 129-142, doi:10.1016/j.epsl.2016.01.005.

38. Maccaferri, F., Rivalta, E., Passarelli, L., and Aoki, Y. (2016), On the mechanisms governing dike arrest: insight from the 2000 Miyakejima dike injection, Earth and Planetary Science Letters, 434, 64-74, doi:10.1016/j.epsl.2015.11.024.

2015

37. Aoki, Y. (2015), Monitoring temporal changes of seismic properties, Frontiers in Earth Science, 3, 42, doi:10.3389/feart.2015.00042.

36. Passarelli, L., Rivalta, E., Cesca, S., and Aoki, Y. (2015), A statistical analysis of the focal mechanisms for the earthquakes induced by the 2000 dike intrusion at Miyakejima (Japan), Journal of Geophysical Research Solid Earth, 120, 4130-4145, doi:10.1002/2014JB011504.

35. Kinoshita, S. M., Igarashi, T., Aoki, Y., and Takeo, M. (2015), Imaging crust and upper mantle beneath Mt. Fuji, Japan, by receiver functions, Journal of Geophysical Research Solid Earth, 120, 3240-3254, doi:10.1002/2014JB011522.

34. Kazahaya, R., Aoki, Y., and Shinohara, H. (2015), Budget of shallow magma plumbing system at Asama volcano, Japan, revealed by ground deformation and volcanic gas studies, Journal of Geophysical Research Solid Earth, 120, 2961-2973, doi:10.1002/2014JB011715.

33. Araragi, K. R., Savage, M. K., Ohminato, T., and Aoki, Y. (2015), Seismic anisotropy of the upper crust around Mt. Fuji, Japan, Journal of Geophysical Research Solid Earth, 120, 2739-2751, doi:10.1002/2014JB011554.

32. Takagi, R., Nishida, K., Aoki, Y., Maeda, T., Masuda, K., Takeo, M., Obara, K., Shiomi, K., Sato, M., and Saito, K. (2015), A single bit matters: Coherent noise of seismic data loggers, Seismological Research Letters, 86, 901-907, doi:10.1785/0220150030.

31. Nakamichi, H. Aoki, Y., Ichihara, M., Itoh, H., Ueda, H., Ohminato, T., Sato, I., Sugimoto, S., Suzuki, Y., Takarada, S., Toshida, K., Namiki, A., Maeno, F., Matsushima, T., Mannen, K., Yoshimoto, M., Yamada, T., and Iguchi, M. (2015), Report of Cities on Volcanoes 8 conference in Yogyakarta, Indonesia, Bulletin of the Volcanological Society of Japan, 60, 47-62, doi:10.18940/kazan.60.1_47. (in Japanese with English abstract and figure captions)

2014

30. Brenguier, F., M. Campillo, T. Takeda, Y. Aoki, N. M. Shapiro, X. Briand, K. Emoto, and H. Miyake (2014), Mapping pressurized volcanic fluids from induced crustal seismic velocity drops, Science, 345, 80-82, doi:10.1126/science.1254073.

29. Shelley, A., M. Savage, C. Williams, Y. Aoki, and B. Gurevich (2014), Modeling shear wave splitting due to stress-induced anisotropy with an application to Mount Asama Volcano, Japan, Journal of Geophysical Research Solid Earth, 119, 4269-4286, doi:10.1002/2013JB010817.

28. Aoki, Y., and T. P. Sidiq (2014), Ground deformation associated with the eruption of Lumpur Sidoarjo mud volcano, east Java, Indonesia, Journal of Volcanology and Geothermal Research, 278-279, 96-102, doi:10.1016/j.jvolgeores.2014.04.012.

2013

27. Aoki, Y., M. Takeo, T. Ohminato, Y. Nagaoka, and K. Nishida (2013), Structural controls on magma pathways beneath Asama Volcano, Japan, Geological Society London Special Publications, 380, 67-84, doi:10.1144/SP380.6.

26. Chaussard, E., F. Amelung, and Y. Aoki (2013), Characterization of open and closed volcanic systems in Indonesia and Mexico using InSAR time-series, Journal of Geophysical Research Solid Earth, 118, 3957-3969, doi:10.1002/jgrb.50288.

25. Fukuda, J., A. Kato, N. Kato, and Y. Aoki (2013), Are the frictional properties of creeping faults persistent? Evidence from rapid Tohoku-oki afterslip, Geophysical Research Letters, 40, 3613-3617, doi:10.1002/grl.50713.

2012

24. Yokota, Y., Y. Kawazoe, S. Yun, S. Oki, Y. Aoki, and K. Koketsu (2012), The 2010 Yushu, China, earthquake and tectonic activity in the eastern Tibetan plateau, Earth Planets and Space, 64, 1047-1051, doi:10.5047/eps.2012.04.008.

23. Nagaoka, Y., K. Nishida, Y. Aoki, M. Takeo, and T. Ohminato (2012), Seismic imaging of magma chamber beneath an active volcano, Earth and Planetary Science Letters, 333-334, 1-8, doi:10.1016/j.epsl.2012.03.034.

2011

22. Kaneko, T., T. Ohminato, T. Koyama, M. Takeo, A. Watanabe, T. Shimano, T. Yanagisawa, Y. Aoki, A. Yasuda, and Y. Honda (2011), The summit crater of Mt Shinmoe and the adjacent areas, taken from Unmanned Autonomous Helicopter, Bulletin of the Volcanological Society of Japan, 56, 171-173, doi:10.18940/kazan.56.4-5_171. (in Japanese with English abstract and figure captions).

21. Brenguier, F., D. Clarke, Y. Aoki, N. M. Shapiro, M. Campillo, and V. Ferrazzini (2011), Monitoring volcanoes using seismic noise correlations, Comptes Rendus Geoscience, 343, 633-638, doi:10.1016/j.crte.2010.12.010.

2010

20. Tanaka, H. K. M., H. Taira, T. Uchida, M. Tanaka, M. Takeo, T. Ohminato, Y. Aoki, R. Nishiyama, D. Shoji, and H. Tsuji (2010), Three-dimensional computational axial tomography scan of a volcano with cosmic ray muon radiography, Journal of Geophysical Research, 115, B12332, doi:10.1029/2010JB007677. Correction, Journal of Geophysical Research, 116, B03301, doi:10.1029/2011JB008256.

19. Nagaoka, Y., K. Nishida, Y. Aoki, and M. Takeo (2010), Temporal change of phase velocity beneath Mt. Asama, Japan, inferred from coda wave interferometry, Geophysical Research Letters, 37, L22311, doi:10.1029/2010GL045289.

18. Furuya, M., Y. Takada, and Y. Aoki (2010), PALSAR InSAR observation and modeling of crustal deformation due to the 2007 Chuetsu-oki earthquake in Niigata, Japan, in ravity, Geoid, and Earth Observations, International Associations of Geodesy Symposia 135, edited by S. P. Mertikas, Springer, Berlin, pp. 679-687, doi:10.1007/978-3-642-10634_7_89.

17. Savage, M. K., T. Ohminato, Y. Aoki, H. Tsuji, and S. Greve (2010), Absolute stress and its temporal variation at Mt. Asamas Volcano, Japan, from seismic anisotropy and GPS, Earth and Planetary Science Letters, 290, 403-414, doi:10.1016/j.epsl.2009.12.037.

2009

16. Aoki, Y., M. Takeo, T. Tsutsui, and Y. Morita (2009), Active source seismic experiment confirms the magma pathway of Asama Volcano, Japan, EOS Transactions American Geophysical Union, 90, 482-483, doi:10.1029/2009EO500002.

15. Aoki, Y., M. Takeo, H. Aoyama, J. Fujimatsu, S. Matsumoto, H. Miyamachi, H. Nakamichi, T. Ohkura, T. Ohminato, J. Oikawa, R. Tanada, T. Tsutsui, K. Yamamoto, M. Yamamoto, T. Yamasato, and T. Yamawaki (2009), P-wave velocity structure beneath Asama Volcano, Japan, inferred from active source seismic experiment, Journal of Volcanology and Geothermal Research, 178, 273-278, doi:10.1016/j.jvolgeores.2009.09.004.

14. Tanaka, H. K. M., T. Uchida, M. Tanaka, M. Takeo, J. Oikawa, T. Ohminato, Y. Aoki, E. Koyama, and H. Tsuji (2009), Detecting a mass change inside a volcano by cosmic-ray muon radiography (muography): First results from measurements at Asama volcano, Japan, Geophysical Research Letters, 36, L17302, doi:10.1029/2009GL039448.

13. Aoki, Y., and C. H. Scholz (2009), Imaging interseismic locking at the Nankai subduction zone, southwest Japan, in Subduction Zone Geodynamics, edited by S. Lallemand and F. Funiciello, pp. 159-171, Springer, Berlin, doi:10.1007/978-3-540-87974-9_9.

2008

12. Aoki, Y., M. Furuya, and T. Kato (2008), Coseismic deformation due to the 2007 Chuetsu-oki earthquake (Mw=6.8), Earth Planets and Space, 60, 1075-1080. doi:10.1186/BF03353139.

11. Tanaka, H. K. M., T. Nakano, S. Takahashi, J. Yoshida, M. Takeo, J. Oikawa, T. Ohminato, Y. Aoki, E. Koyama, H. Tsuji, H. Ohshima, T. Maekawa, H. Watanabe, and K. Niwa (2008), Radiographic imaging below a volcanic crater floor with cosmic-ray muons, American Journal of Science, 308, 843-850, doi:10.2475/07.2008.02.

2007

10. Tanaka, H. K. M., T. Nakano, S. Takahashi, J. Yoshida, M. Takeo, J. Oikawa, T. Ohminato, Y. Aoki, E. Koyama, H. Tsuji and K. Niwa (2007), High resolution imaging in the inhomogeneous crust with cosmic-ray muon radiography: The density structure below the volcanic crater floor of Mt. Asama, Japan, Earth and Planetary Science Letters, 263, 104-113, doi:10.1016/j.epsl.2007.09.001.

2006

9. Kaneko, T., K. Takasaki, A. Yasuda, and Y. Aoki (2006), Thermal surveillance of the Asama 2004-2005 activity using MODIS nighttime infrared images, Bulletin of the Volcanological Society of Japan, 51, 273-282, doi:10.18940/kazan.51.4_273. (in Japanese with English abstract and figure captions)

8. Takeo, M., Y. Aoki, T. Ohminato, and M. Yamamoto (2006), Magma supply path beneath Mt. Asama volcano, Japan, Geophysical Research Letters, 33, L15310, doi:10.1029/2006GL026247.

2005

7. Aoki, Y., H. Watanabe, E. Koyama, J. Oikawa, and Y. Morita (2005), Ground deformation associated with the 2004-2005 unrest of Asama Volcano, Japan, Bulletin of the Volcanological Society of Japan, 50, 575-584, doi:10.18940/kazan.50.6_575. (in Japanese with English abstract and figure captions)

6. Yamamoto, M., M. Takeo, T. Ohminato, J. Oikawa, Y. Aoki, H. Ueda, S. Nakamula, H. Tsuji, E. Koyama, N. Osada, and T. Urabe (2005), A unique earthquake activity preceding the eruption at Asama Volcano in 2004, Bulletin of the Volcanological Society of Japan, 50, 393-400, doi:10.18940/kazan.50.5_393. (in Japanese with English abstract and figure captions)

2004

5. Xie, J., R. Gok, J. Ni, and Y. Aoki (2004), Lateral variations of crustal seismic attenuation along the INDEPTH profiles in Tibet from Lg Q inversion, Journal of Geophysical Research, 109, B10308, doi:10.1029/2004JB002998.

2003

4. Aoki, Y. , and C. H. Scholz (2003), Interseismic deformation at the Nankai subduction zone and the Median Tectonic Line, southwest Japan, Journal of Geophysical Research, 108(B10), 2470, doi:10.1029/2003JB002441.

3. Aoki, Y. , and C. H. Scholz (2003), Vertical deformation of the Japanese islands, 1996-1999, Journal of Geophysical Research, 108(B5), 2257, doi:10.1029/2002JB002129.

2001

2. Cervelli, P., M. H. Murray, P. Segall, Y. Aoki, and T. Kato (2001), Estimating source parameters from deformation data, with an application to the March 1997 earthquake swarm off the Izu Peninsula, Japan, Journal of Geophysical Research, 106, 11,217-11,237, doi:10.1029/2000JB900399.

1999

1. Aoki, Y. , P. Segall, T. Kato, P. Cervelli, and S. Shimada (1999), Imaging magma transport during the 1997 seismic swarm off the Izu Peninsula, Japan, Science, 286, 927-930, doi:10.1126/science.286.5441.927.