Fig. 1From: Potential for crustal deformation monitoring using a dense cell phone carrier Global Navigation Satellite System networkSite distribution for this research. The red and blue circles denote GEONET and SoftBank sites, respectively. a Index map for the target area. b Site distribution in Miyagi Prefecture for the postseismic (interseismic) period. c Site distribution in Fukushima Prefecture for the coseismic periodBack to article page