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1. Geomagnetism

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  1. From the launch of the Ørsted satellite in 1999, through the CHAMP mission from 2000 to 2010, and now with the Swarm constellation mission starting in 2013, satellite magnetometry has provided excellent monito...

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

    Citation: Earth, Planets and Space 2020 72:80

    Content type: Full paper

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  3. Prospective Proterozoic units in the southern Mount Isa Province are concealed by a poorly defined extent of younger basin cover, leading to poor exploration success. Collection of a magnetotelluric (MT) surve...

    Authors: Janelle M. Simpson and Graham Heinson

    Citation: Earth, Planets and Space 2020 72:69

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  4. The Ramså Basin is situated on the strandflat on the northeastern side of Andøya between Ramså and Skarstein. It is the only known Mesozoic sedimentary basin onshore Norway and therefore represents an easily a...

    Authors: Vikas Chand Baranwal, Marco Brönner, Jan-Steinar Rønning, Harald Elvebakk and Einar Dalsegg

    Citation: Earth, Planets and Space 2020 72:52

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  6. We describe and discuss the preprocessing and calibration steps applied to the magnetic data measured by the three “platform magnetometers” on-board the CryoSat-2 satellite. The calibration is performed by com...

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

    Citation: Earth, Planets and Space 2020 72:48

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  7. Magnetotelluric (MT) method is widely used for revealing deep electrical structure. However, natural MT signals are susceptible to cultural noises. In particular, the existing data-processing methods usually f...

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

    Citation: Earth, Planets and Space 2020 72:45

    Content type: Full paper

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  8. The Sichuan Basin magnetic anomaly is the most striking regional aeromagnetic anomaly in South China. It is characterized by a continuous large-scale linear magnetic anomaly and contains long-wavelength consti...

    Authors: Jie Wang, Changli Yao, Zelin Li, Yuanman Zheng, Xuhui Shen, Zhima Zeren and Wenlong Liu

    Citation: Earth, Planets and Space 2020 72:40

    Content type: Full paper

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  9. The Lorca earthquake (May 11th, 2011, Mw 5.2) stands as the most destructive one in Spain over the last 50 years, interpreted as having occurred in an intersegment zone of the strike–slip Alhama de Murcia Faul...

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

    Citation: Earth, Planets and Space 2020 72:16

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  11. Southern Mongolia is part of the Central Asian Orogenic Belt, the origin and evolution of which is not fully known and is often debated. It is composed of several east–west trending lithostratigraphic domains ...

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

    Citation: Earth, Planets and Space 2020 72:5

    Content type: Full paper

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  12. Seawater motion-induced electromagnetic (EM) noise along the seafloor has a large impact on marine magnetotelluric (MT) data quality. Although the mechanical stability of ocean bottom electromagnetic receivers...

    Authors: Kai Chen, Qingxian Zhao, Ming Deng, Xianhu Luo and Jianen Jing

    Citation: Earth, Planets and Space 2020 72:4

    Content type: Full paper

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  14. Coseismic electromagnetic (EM) signals that appear from the P arrival were observed in a volcanic area during the 2016 Kumamoto earthquake. In this study, we conduct numerical simulations to explain the coseis...

    Authors: Yao-Chong Sun, Makoto Uyeshima, Hengxin Ren, Qinghua Huang, Koki Aizawa, Kaori Tsukamoto, Wataru Kanda, Kaori Seki, Takahiro Kishita, Takao Ohminato, Atsushi Watanabe, Jiangjun Ran and Xiaofei Chen

    Citation: Earth, Planets and Space 2019 71:143

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  17. The radiocarbon technique is widely used to date Late Pleistocene and Holocene lava flows. The significant difference with palaeomagnetic methods is that the 14C dating is performed on the organic matter carboniz...

    Authors: Goga Vashakidze, Avto Goguitchaichvili, Natalia García-Redondo, Manuel Calvo-Rathert, Ángel Carrancho, Ruben Cejudo, Juan Morales, Vladimir A. Lebedev and Ketino Gabarashvili

    Citation: Earth, Planets and Space 2019 71:133

    Content type: Express Letter

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  18. Finding the statistical intensity signatures of the Earth’s magnetic field over geologic time has helped understanding of the evolution of the Earth’s interior and its interactions with other integral parts of...

    Authors: Hyeon-Seon Ahn and Yuhji Yamamoto

    Citation: Earth, Planets and Space 2019 71:126

    Content type: Full paper

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  19. The High Precision Magnetometer (HPM) is one of the main payloads onboard the China Seismo-Electromagnetic Satellite (CSES). The HPM consists of two Fluxgate Magnetometers (FGM) and the Coupled Dark State Magn...

    Authors: Bin Zhou, Bingjun Cheng, Xiaochen Gou, Lei Li, Yiteng Zhang, Jindong Wang, Werner Magnes, Roland Lammegger, Andreas Pollinger, Michaela Ellmeier, Qi Xiao, Xinghong Zhu, Shigeng Yuan, Yanyan Yang and Xuhui Shen

    Citation: Earth, Planets and Space 2019 71:119

    Content type: Full paper

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  20. The Hidaka collision zone, the collision boundary between the NE Japan and Kurile arcs, is known to be an ideal region to study the evolution of island arcs. The hypocenter of the 2018 Hokkaido Eastern Iburi e...

    Authors: Hiroshi Ichihara, Toru Mogi, Hideyuki Satoh and Yusuke Yamaya

    Citation: Earth, Planets and Space 2019 71:100

    Content type: Express Letter

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  21. We introduce MoVFEM, a computational algorithm for the modeling of three-dimensional magnetotelluric (MT) data using a vector finite element method of specific order from multiple elements’ orders. Our algorit...

    Authors: Aixa M. Rivera-Rios, Bing Zhou, Graham Heinson and Lars Krieger

    Citation: Earth, Planets and Space 2019 71:92

    Content type: Technical report

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  23. A Curie surface indicates the distribution of the thermal fields underground, providing a clear marker for the thermodynamic effect in the crust and mantle. In this paper, based on a geomagnetic field model (N...

    Authors: Limin Wen, Guofa Kang, Chunhua Bai and Guoming Gao

    Citation: Earth, Planets and Space 2019 71:85

    Content type: Full paper

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  24. The extensive lava piles of Iceland contain a unique record of geomagnetic field variations spanning the past ~ 16 Ma. Since the 1950s, palaeomagnetic data have been obtained from over 9400 Icelandic lavas. We...

    Authors: Justin A. D. Tonti-Filippini and Maxwell C. Brown

    Citation: Earth, Planets and Space 2019 71:83

    Content type: Technical report

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  25. Three lava flows (Buenavista, Xalitzintla and Nealtican) and pyroclastic density currents (Lorenzo and Pink Pumice) from two Popocatepetl Plinian eruptions were sampled for paleomagnetic dating. A detailed roc...

    Authors: Nayeli Pérez-Rodríguez, Juan Morales, Avto Goguitchaichvili and Felipe García-Tenorio

    Citation: Earth, Planets and Space 2019 71:80

    Content type: Full paper

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  28. The interactions of flowing electrically conductive seawater with Earth’s magnetic field generate electric currents within the oceans, as well as secondary electric currents induced in the resistive solid Eart...

    Authors: Libor Šachl, Zdeněk Martinec, Jakub Velímský, Christopher Irrgang, Johannes Petereit, Jan Saynisch, David Einšpigel and Neesha Regmi Schnepf

    Citation: Earth, Planets and Space 2019 71:58

    Content type: Full paper

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  29. We conducted a broadband magnetotelluric (MT) survey along a north–south transect across Unzen graben, Japan. The MT survey line is located ~ 2 km west of the most recent lava dome and consisted of 27 stations...

    Authors: Agnis Triahadini, Koki Aizawa, Yoshiko Teguri, Takao Koyama, Kaori Tsukamoto, Dan Muramatsu, Keita Chiba and Makoto Uyeshima

    Citation: Earth, Planets and Space 2019 71:28

    Content type: Full paper

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  31. Geomagnetic field variations as recorded at geomagnetic observatories are important for global electromagnetic studies. However, this data set is rarely used for studying the local electrical conductivity at d...

    Authors: Achim Morschhauser, Alexander Grayver, Alexey Kuvshinov, Friedemann Samrock and Jürgen Matzka

    Citation: Earth, Planets and Space 2019 71:17

    Content type: Express Letter

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  33. Pure magnetite experiences a first-order phase transition (the Verwey transition) near 120–125 K wherein the mineral’s symmetry changes from cubic to monoclinic. This transformation results in the formation of...

    Authors: Anna K. Lindquist, Joshua M. Feinberg, Richard J. Harrison, James C. Loudon and Andrew J. Newell

    Citation: Earth, Planets and Space 2019 71:5

    Content type: Full paper

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  35. We aim to obtain a modal decomposition of the internal geomagnetic field. In order to do so, we perform a principal component analysis of two virtual observatory datasets, with 4-month sampling time, from the ...

    Authors: João Domingos, Maria Alexandra Pais, Dominique Jault and Mioara Mandea

    Citation: Earth, Planets and Space 2019 71:2

    Content type: Full paper

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  37. Seafloor hydrothermal systems in the back-arc region of the Okinawa Trough have been viewed as a modern analogue to the Kuroko-type volcanogenic massive sulfide deposits. Detection of magnetic signatures is wi...

    Authors: Masakazu Fujii, Hiroshi Sato, Eri Togawa, Kazuhiko Shimada and Jun-ichiro Ishibashi

    Citation: Earth, Planets and Space 2018 70:196

    Content type: Full paper

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  39. In order to investigate the role of dikes in the volcanic evolution and the triggering mechanisms of catastrophic mass wasting volcanoes, we have sampled for a pilot study, seven dikes within the Wai’anae volc...

    Authors: Emilio Herrero-Bervera, Bernard Henry and Mário Moreira

    Citation: Earth, Planets and Space 2018 70:190

    Content type: Full paper

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  40. The Kairei (KHF) and Yokoniwa hydrothermal fields (YHF) are hosted in mafic as well as ultramafic rocks distributed at an off-axis volcanic knoll of the Central Indian Ridge. Despite intensive investigations, ...

    Authors: Masakazu Fujii and Kyoko Okino

    Citation: Earth, Planets and Space 2018 70:188

    Content type: Full paper

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  41. Chemical demagnetization is not preferred as a demagnetizing method in paleomagnetism because strong acids are cumbersome to handle and require considerable time compared to alternating field and thermal demag...

    Authors: Chisato Anai, Nobutatsu Mochizuki and Hidetoshi Shibuya

    Citation: Earth, Planets and Space 2018 70:184

    Content type: Technical report

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  42. Our investigations are based on the property that the fields of sources, whose depths are numerically equal to survey heights, are most brightly presented in the data of magnetic survey. Therefore, the magneti...

    Authors: Yury P. Tsvetkov, Konstantin V. Novikov, Andrey A. Ivanov and Oleg M. Brekhov

    Citation: Earth, Planets and Space 2018 70:183

    Content type: Full paper

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  43. Seismic swarm areas below the southeast flank of Ontake volcano, central Japan, provide an important opportunity to study interactions between seismicity, volcanic processes and crustal fluid. On June 25, 2017...

    Authors: Hiroshi Ichihara, Junna Kanehiro, Toru Mogi, Koshun Yamaoka, Noriko Tada, Edward Alan Bertrand and Mamoru Adachi

    Citation: Earth, Planets and Space 2018 70:182

    Content type: Express Letter

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  45. Investigations of superchrons are the key to understanding long-term changes of the geodynamo and the mantle’s controlling role. Granitic rocks could be good recorders of deep-time geomagnetic field behavior, ...

    Authors: Chie Kato, Masahiko Sato, Yuhji Yamamoto, Hideo Tsunakawa and Joseph L. Kirschvink

    Citation: Earth, Planets and Space 2018 70:176

    Content type: Frontier letter

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  46. Hydrogenetic ferromanganese crusts (hereafter referred to as “crusts”) on Pacific seamounts are formed by the precipitation of iron–manganese oxides from seawater on volcanic and biogenic substrate rocks. As c...

    Authors: Hirokuni Oda, Yoshio Nakasato and Akira Usui

    Citation: Earth, Planets and Space 2018 70:165

    Content type: Express Letter

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  48. The northeastern Turkey is located at the intensely deformed east Anatolian Collision Zone that is formed by the collision of the Arabian Plate with Eurasia. The region is one of the best examples of the conti...

    Authors: Özlem Hacıoğlu, Ahmet Tuğrul Başokur and Elif Tolak Çiftçi

    Citation: Earth, Planets and Space 2018 70:161

    Content type: Full paper

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  49. Previous studies have compiled relative paleointensity data for the last 2–3 Ma from individual paleomagnetic records obtained from marine sediment cores. These records have mostly been obtained by pass-throug...

    Authors: Yuhji Yamamoto, Toshitsugu Yamazaki and Toshiya Kanamatsu

    Citation: Earth, Planets and Space 2018 70:160

    Content type: Full paper

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  50. Magnetic mineral inclusions in silicates are widespread in sediments as well as in igneous rocks. Because they are isolated from surrounding environment, they have potential to preserve original magnetic signa...

    Authors: Yoichi Usui, Takaya Shimono and Toshitsugu Yamazaki

    Citation: Earth, Planets and Space 2018 70:153

    Content type: Full paper

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