Masaru Nakano

Monitoring volcanic activity with distributed acoustic sensing using the Tongan seafloor telecommunications cable

Masaru Nakano, Mie Ichihara, Daisuke Suetsugu, Takao Ohminato, Shigeaki Ono, Rennie Vaiomounga, Taaniela Kula, Masanao Shinohara

Earth, Planets and Space, Feb 4, 2024 Peer-reviewedLead author

Décollement geometry controls on shallow very low frequency earthquakes

Yoshitaka Hashimoto, Shigeyuki Sato, Gaku Kimura, Masataka Kinoshita, Ayumu Miyakawa, Gregory F. Moore, Masaru Nakano, Kazuya Shiraishi, Yasuhiro Yamada

Scientific Reports, 12(1), Dec, 2022 Peer-reviewed

Discriminating seismic events using 1D and 2D CNNs: applications to volcanic and tectonic datasets

Masaru Nakano, Daisuke Sugiyama

Earth, Planets and Space, Sep 8, 2022 Peer-reviewedLead author

Extraction of P Wave From Ambient Seafloor Noise Observed by Distributed Acoustic Sensing

T. Tonegawa, E. Araki, H. Matsumoto, T. Kimura, K. Obana, G. Fujie, R. Arai, K. Shiraishi, M. Nakano, Y. Nakamura …

Geophysical Research Letters, 49(4), Feb 28, 2022 Peer-reviewed

Spatio-temporal distribution of shallow very-low-frequency earthquakes between December 2020 and January 2021 in Kumano-nada, Nankai subduction zone, detected by a permanent seafloor seismic network

Yojiro Yamamoto, Keisuke Ariyoshi, Shuichiro Yada, Masaru Nakano, Takane Hori

EARTH PLANETS AND SPACE, 74(1), Jan, 2022 Peer-reviewed

Changes of Event Size Distribution During Episodes of Shallow Tectonic Tremor, Nankai Trough

Masaru Nakano, Suguru Yabe

Geophysical Research Letters, 48(5), Mar 16, 2021 Peer-reviewedLead author

Seismic energy radiation and along-strike heterogeneities of shallow tectonic tremors at the Nankai Trough and Japan Trench

Suguru Yabe, Satoru Baba, Takashi Tonegawa, Masaru Nakano, Shunsuke Takemura

Tectonophysics, 800 228714-228714, Feb, 2021 Peer-reviewed

Characteristics of Slow Slip Event in March 2020 Revealed From Borehole and DONET Observatories

Keisuke Ariyoshi, Takeshi Iinuma, Masaru Nakano, Toshinori Kimura, Eiichiro Araki, Yuya Machida, Kentaro Sueki, Shuichiro Yada, Takehiro Nishiyama, Kensuke Suzuki …

Frontiers in Earth Science, 8, Jan 22, 2021 Peer-reviewed

Magnetization structure of Nishinoshima volcano, Ogasawara island arc, obtained from magnetic surveys using an unmanned aerial vehicle

Noriko Tada, Hiroshi Ichihara, Masaru Nakano, Mitsuru Utsugi, Takao Koyama, Tatsu Kuwatani, Kiyoshi Baba, Fukashi Maeno, Akimichi Takagi, Minoru Takeo

Journal of Volcanology and Geothermal Research, 419, 2021 Peer-reviewed

Masaru Nakano, Shane Murphy, Ryoichiro Agata, Yasuhiko Igarashi, Masato Okada, Takane Hori

Progress in Earth and Planetary Science, 7(1) 45, Aug, 2020 Peer-reviewedLead author

Three-dimensional topographic relief of the oceanic crust may control the occurrence of shallow very-low-frequency earthquakes in the Nankai Trough off Kumano

Kazuya Shiraishi, Yasuhiro Yamada, Masaru Nakano, Masataka Kinoshita, Gaku Kimura

Earth, Planets and Space, 72(1), May, 2020 Peer-reviewed

Magnetization structure beneath Nishinoshima by using drones

Tada Noriko, Ichihara Hiroshi, Nakano Masaru, Utsugi Mitsuru, Koyama Takao, Baba Kiyoshi, Takagi Akimichi, Maeno Fukashi, Takeo Minoru

PROGRAMME AND ABSTRACTS THE VOLCANOLOGICAL SOCIETY OF JAPAN, 2020 93-93, 2020

Event Size Distribution of Shallow Tectonic Tremor in the Nankai Trough

Masaru Nakano, Suguru Yabe, Hiroko Sugioka, Masanao Shinohara, Satoshi Ide

Geophysical Research Letters, 46(11) 5828-5836, Jun 16, 2019 Peer-reviewed

Discrimination of seismic signals from earthquakes and tectonic tremor by applying a convolutional neural network to running spectral images

Masaru Nakano, D. Sugiyama, T. Hori, T. Kuwatani, S. Tsuboi

Seismological Research Letters, 90(2 A) 530-538, Mar, 2019 Peer-reviewed

Scaled Energy Estimation for Shallow Slow Earthquakes

Suguru Yabe, Takashi Tonegawa, Masaru Nakano

Journal of Geophysical Research: Solid Earth, 124 1507-1519, Jan, 2019 Peer-reviewed

The 2016 Mw 5.9 earthquake off the southeastern coast of Mie Prefecture as an indicator of preparatory processes of the next Nankai Trough megathrust earthquake

Masaru Nakano, Mamoru Hyodo, Ayako Nakanishi, Mikiya Yamashita, Takane Hori, Shin-ichiro Kamiya, Kensuke Suzuki, Takashi Tonegawa, Shuichi Kodaira, Narumi Takahashi …

Progress in Earth and Planetary Science, 5(1), Dec 1, 2018 Peer-reviewed

Slow Earthquakes in the Microseism Frequency Band (0.1–1.0 Hz) off Kii Peninsula, Japan

Lisa Kaneko, Satoshi Ide, Masaru Nakano

Geophysical Research Letters, 45(6) 2618-2624, Mar 28, 2018 Peer-reviewed

Shallow very-low-frequency earthquakes accompany slow slip events in the Nankai subduction zone

Masaru Nakano, Takane Hori, Eiichiro Araki, Shuichi Kodaira, Satoshi Ide

Nature Communications, 9(1), Mar, 2018 Peer-reviewedLead author

Sporadic low-velocity volumes spatially correlate with shallow very low frequency earthquake clusters

Takashi Tonegawa, Eiichiro Araki, Toshinori Kimura, Takeshi Nakamura, Masaru Nakano, Kensuke Suzuki

NATURE COMMUNICATIONS, 8, Dec, 2017 Peer-reviewed

Tomographic image of crust and upper mantle off the Boso Peninsula using data from an ocean-bottom seismograph array

Aki Ito, Yojiro Yamamoto, Ryota Hino, Daisuke Suetsugu, Hiroko Sugioka, Masaru Nakano, Koichiro Obana, Kazuo Nakahigashi, Masanao Shinohara