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Geoscientific Instrumentation, Methods and Data Systems An interactive open-access journal of the European Geosciences Union
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GI | Articles | Volume 8, issue 2
Geosci. Instrum. Method. Data Syst., 8, 217–225, 2019
https://doi.org/10.5194/gi-8-217-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
Geosci. Instrum. Method. Data Syst., 8, 217–225, 2019
https://doi.org/10.5194/gi-8-217-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

Research article 22 Aug 2019

Research article | 22 Aug 2019

A low-cost device for measuring local magnetic anomalies in volcanic terrain

Bertwin M. de Groot and Lennart V. de Groot

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Short summary
Our knowledge of the Earth's magnetic field arises from magnetic signals stored in lavas. In rugged volcanic terrain, however, the magnetization of the underlying flows may influence the magnetic field as recorded by newly formed flows on top. To measure these local magnetic anomalies, we developed a low-cost field magnetometer with superior accuracy and user-friendliness. The first measurements on Mt. Etna show local magnetic variations that are much larger than expected.
Our knowledge of the Earth's magnetic field arises from magnetic signals stored in lavas. In...
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