Fig. 4
![Fig. 4](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs40623-022-01585-7/MediaObjects/40623_2022_1585_Fig4_HTML.png)
Horizontal coseismic displacement of the 2021 off-Fukushima earthquake (MJMA 7.3). The red and blue circles denote the GEONET and SoftBank sites, respectively. The orange circles denote K-net FKS007 and FKS019. The vectors plotted in the figures are those relative to 950241 (Ogata in Niigata prefecture, latitude 37.231°N, longitude 138.334°E). The CMT solution was estimated F-net of the NIED. Gray vectors represent the outliers identified by comparing them with the surrounding sites. The sites of SoftBank, BH7H and BHC0, are indicated by a thick dashed black open circle, and the details of this point are provided in the Sect. “Detectability of coseismic displacement”