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Earth, Planets and Space
Fig. 15 | Earth, Planets and Space

Fig. 15

From: Consistent estimation of strain-rate fields from GNSS velocity data using basis function expansion with ABIC

Fig. 15

The principal axes of the strain-rate field estimated using the ABIC method with \(L = 20\) km. Red and blue arrows represent expansive and contractive strain rates, respectively. Green stars represent the epicenters of earthquakes whose coordinate offsets are removed from GNSS data. Yellow lines trace MTL and OBR. Black lines represent surface traces of major active faults (Headquarters for Earthquake Research Promotion 2017). Red triangles represent Mt. Fuji, Hakusan and Sakurajima, and black triangles represent other active volcanos (JMA 2013). The following acronyms are used: MTL Median Tectonic Line active fault system, OBR Ou Backbone Range, IB Ise Bay, A Aichi, F Fukushima, I Ibaraki, K Kobe, Na Nara, Ni Niigata

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