Most cited articles from 2020-2021

International Geomagnetic Reference Field: the thirteenth generation

P. Alken, E. Thébault, C. D. Beggan, H. Amit, J. Aubert, J. Baerenzung, T. N. Bondar,  W. J. Brown, S. Califf, A. Chambodut, A. Chulliat, G. A. Cox, C. C. Finlay, A. Fournier,  N. Gillet, A. Grayver, M. D. Hammer, M. Holschneider, L. Huder, G. Hulot, T. Jager,  C. Kloss, M. Korte, W. Kuang, A. Kuvshinov, B. Langlais, J.-M. Léger, V. Lesur, P. W. Livermore, F. J. Lowes, S. Macmillan, W. Magnes, M. Mandea, S. Marsal, J. Matzka, M. C. Metman, T. Minami, A. Morschhauser, J. E. Mound, M. Nair, S. Nakano, N. Olsen, F. J. Pavón-Carrasco, V. G. Petrov, G. Ropp, M. Rother, T. J. Sabaka, S. Sanchez, D. Saturnino, N. R. Schnepf, X. Shen, C. Stolle, A. Tangborn, L. Tøffner-Clausen, H. Toh, J. M. Torta, J. Varner, F. Vervelidou, P. Vigneron, I. Wardinski, J. Wicht, A. Woods, Y. Yang, Z. Zeren and B. Zhou
Citations: 78
 

The CHAOS-7 geomagnetic field model and observed changes in the South Atlantic Anomaly

Christopher C. Finlay, Clemens Kloss, Nils Olsen, Magnus D. Hammer, Lars Tøffner-Clausen, Alexander Grayver and Alexey Kuvshinov
Citations: 57

MOWLAS: NIED observation network for earthquake, tsunami and volcano

Shin Aoi, Youichi Asano, Takashi Kunugi, Takeshi Kimura, Kenji Uehira, Narumi Takahashi, Hideki Ueda, Katsuhiko Shiomi, Takumi Matsumoto and Hiroyuki Fujiwara
Citations: 43
 

Preparation zones for large crustal earthquakes consequent on fault-valve action

Richard H. Sibson
Citations: 25
 

Quality over quantity: on workflow and model space exploration of 3D inversion of MT data

K. Robertson, S. Thiel and N. Meqbel
Citations: 24
 

Structural control and system-level behavior of the seismic cycle at the Nankai Trough

Qibin Shi, Sylvain Barbot, Shengji Wei, Paul Tapponnier, Takanori Matsuzawa and Bunichiro Shibazaki
Citations: 21

Nonlinear wave growth theory of whistler-mode chorus and hiss emissions in the magnetosphere

Yoshiharu Omura 
Citations: 20
 

CM6: a comprehensive geomagnetic field model derived from both CHAMP and Swarm satellite observations

Terence J. Sabaka, Lars Tøffner-Clausen, Nils Olsen and Christopher C. Finlay
Citations: 20
 

Anatomy of active volcanic edifice at the Kusatsu–Shirane volcano, Japan, by magnetotellurics: hydrothermal implications for volcanic unrests

Kuo Hsuan Tseng, Yasuo Ogawa, Nurhasan, Sabri Bülent Tank, Naoto Ujihara, Yoshimori Honkura, Akihiko Terada, Yoshiya Usui and Wataru Kanda
Citations: 19
 

Frictional and structural controls of seismic super-cycles at the Japan trench

Sylvain Barbot
Citations: 19
 

Evidence for terrane boundaries and suture zones across Southern Mongolia detected with a 2-dimensional magnetotelluric transect

Matthew J. Comeau, Michael Becken, Johannes S. Käufl, Alexander V. Grayver, Alexey V. Kuvshinov, Shoovdor Tserendug, Erdenechimeg Batmagnai and Sodnomsambuu Demberel
Citations: 19
 

Co-estimation of geomagnetic field and in-orbit fluxgate magnetometer calibration parameters

Patrick Alken, Nils Olsen and Christopher C. Finlay
Citations: 18
 

Sequential modelling of the Earth’s core magnetic field

Guillaume Ropp, Vincent Lesur, Julien Baerenzung and Matthias Holschneider
Citations: 16
 

Magnetic observations from CryoSat-2: calibration and processing of satellite platform magnetometer data

Nils Olsen, Giuseppe Albini, Jerome Bouffard, Tommaso Parrinello and Lars Tøffner-Clausen
Citations: 16
 

Unmixing biogenic and terrigenous magnetic mineral components in red clay of the Pacific Ocean using principal component analyses of first-order reversal curve diagrams and paleoenvironmental implications

Toshitsugu Yamazaki, Wei Fu, Takaya Shimono and Yoichi Usui
Citations: 14
 

Evaluation of candidate models for the 13th generation International Geomagnetic Reference Field

P. Alken, E. Thébault, C. D. Beggan, J. Aubert, J. Baerenzung, W. J. Brown, S. Califf, A. Chulliat, G. A. Cox, C. C. Finlay, A. Fournier, N. Gillet, M. D. Hammer, M. Holschneider, G. Hulot, M. Korte, V. Lesur, P. W. Livermore, F. J. Lowes, S. Macmillan, M. Nair, N. Olsen, G. Ropp, M. Rother, N. R. Schnepf, C. Stolle, H. Toh, F. Vervelidou, P. Vigneron and I. Wardinski 
Citations: 13
 

The Kalmag model as a candidate for IGRF-13

Julien Baerenzung, Matthias Holschneider, Johannes Wicht, Vincent Lesur and Sabrina Sanchez 
Citations: 13
 

Improved shift-invariant sparse coding for noise attenuation of magnetotelluric data

Guang Li, Xiaoqiong Liu, Jingtian Tang, Juzhi Deng, Shuanggui Hu, Cong Zhou, Chaojian Chen and Wenwu Tang
Citations: 13
 

Acceleration mechanism of radiation belt electrons through interaction with multi-subpacket chorus waves

Ryoko Hiraga and Yoshiharu Omura 
Citations: 13
 

Catalog of small repeating earthquakes for the Japanese Islands

Toshihiro Igarashi 
Citations: 12
 

The CSES global geomagnetic field model (CGGM): an IGRF-type global geomagnetic field model based on data from the China Seismo-Electromagnetic Satellite

Yanyan Yang, Gauthier Hulot, Pierre Vigneron, Xuhui Shen, Zeren Zhima, Bin Zhou, Werner Magnes, Nils Olsen, Lars Tøffner-Clausen, Jianpin Huang, Xuemin Zhang, Shigeng Yuan, Lanwei Wang, Bingjun Cheng, Andreas Pollinger, Roland Lammegger, Jianpin Dai, Jun Lin, Feng Guo, Jingbo Yu, Jie Wang, Yingyan Wu, Xudong Zhao and Xinghong Zhu 
Citations: 11
 

Solar activity dependence of medium-scale traveling ionospheric disturbances using GPS receivers in Japan

Yuichi Otsuka, Atsuki Shinbori, Takuya Tsugawa and Michi Nishioka

Citations: 11

Relationship between large-scale ionospheric field-aligned currents and electron/ion precipitations: DMSP observations

Chao Xiong, Claudia Stolle, Patrick Alken and Jan Rauberg 
Citations: 11
 

South American auroral reports during the Carrington storm

Hisashi Hayakawa, José R. Ribeiro, Yusuke Ebihara, Ana P. Correia and Mitsuru Sôma 
Citations: 11
 

Submarine landslide source models consistent with multiple tsunami records of the 2018 Palu tsunami, Sulawesi, Indonesia

Kenji Nakata, Akio Katsumata and Abdul Muhari 
Citations: 11
 

Crustal architecture of a metallogenic belt and ophiolite belt: implications for mineral genesis and emplacement from 3-D electrical resistivity models (Bayankhongor area, Mongolia)

Matthew J. Comeau, Michael Becken, Alexey V. Kuvshinov and Sodnomsambuu Demberel

Citations: 10

Two-step seismic noise reduction caused by COVID-19 induced reduction in social activity in metropolitan Tokyo, Japan

Suguru Yabe, Kazutoshi Imanishi and Kiwamu Nishida 
Citations: 10
 

A candidate secular variation model for IGRF-13 based on MHD dynamo simulation and 4DEnVar data assimilation

Takuto Minami, Shin’ya Nakano, Vincent Lesur, Futoshi Takahashi, Masaki Matsushima, Hisayoshi Shimizu, Ryosuke Nakashima, Hinami Taniguchi and Hiroaki Toh
Citations: 10
 

Magnetotelluric characterization of the Alhama de Murcia Fault (Eastern Betics, Spain) and study of magnetotelluric interstation impedance inversion

Anna Martí, Pilar Queralt, Alex Marcuello, Juanjo Ledo, Emilio Rodríguez-Escudero, José Jesús Martínez-Díaz, Joan Campanyà and Naser Meqbel 
Citations: 10
 

Spatial scale of geomagnetic Pc5/Pi3 pulsations as a factor of their efficiency in generation of geomagnetically induced currents

Nadezda V Yagova, Vyacheslav A Pilipenko, Yaroslav A Sakharov and Vasily N Selivanov

Citations: 9

Geomagnetic Virtual Observatories: monitoring geomagnetic secular variation with the Swarm satellites

Magnus D. Hammer, Grace A. Cox, William J. Brown, Ciarán D. Beggan and Christopher C. Finlay

Citations: 9

Locating hydrothermal fluid injection of the 2018 phreatic eruption at Kusatsu-Shirane volcano with volcanic tremor amplitude

Taishi Yamada, Aika K. Kurokawa, Akihiko Terada, Wataru Kanda, Hideki Ueda, Hiroshi Aoyama, Takahiro Ohkura, Yasuo Ogawa and Toshikazu Tanada

Citations: 9

First simulations of day-to-day variability of mid-latitude sporadic E layer structures

Satoshi Andoh, Akinori Saito, Hiroyuki Shinagawa and Mitsumu K. Ejiri

Citations: 9

Surface displacement revealed by L-band InSAR analysis in the Mayya area, Central Yakutia, underlain by continuous permafrost

Takahiro Abe, Go Iwahana, Petr V. Efremov, Alexey R. Desyatkin, Takumi Kawamura, Alexander Fedorov, Yuri Zhegusov, Kazuki Yanagiya and Takeo Tadono

Citations: 9

Detection of deep low-frequency earthquakes in the Nankai subduction zone over 11 years using a matched filter technique

Aitaro Kato and Shigeki Nakagawa

Citations: 9

Coeruptive and posteruptive crustal deformation associated with the 2018 Kusatsu-Shirane phreatic eruption based on PALSAR-2 time series analysis

Yuji Himematsu, Taku Ozawa and Yosuke Aoki 
Citations: 9
 

Repeated occurrence of surface-sediment remobilization along the landward slope of the Japan Trench by great earthquakes

Ken Ikehara, Kazuko Usami and Toshiya Kanamatsu

Citations: 9

Oxygen torus and its coincidence with EMIC wave in the deep inner magnetosphere: Van Allen Probe B and Arase observations

M. Nosé, A. Matsuoka, A. Kumamoto, Y. Kasahara, M. Teramoto, S. Kurita, J. Goldstein, L. M. Kistler, S. Singh, A. Gololobov, K. Shiokawa, S. Imajo, S. Oimatsu, K. Yamamoto, Y. Obana, M. Shoji, F. Tsuchiya, I. Shinohara, Y. Miyoshi, W. S. Kurth, C. A. Kletzing, C. W. Smith, R. J. MacDowall, H. Spence and G. D. Reeves

Citations: 9