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Earth, Planets and Space
Fig. 3 | Earth, Planets and Space

Fig. 3

From: Spatiotemporal crustal strain distribution around the Ishikari-Teichi-Toen fault zone estimated from global navigation satellite system data

Fig. 3

Temporal changes in the strain rate: a for northern areas. a-1 Dilatation in the two northern areas (red: 141.95°E, 44.35°N and blue: 141.95°E, 44.60°N). Vertical bars indicate the timing of large earthquakes (i.e., the 2003 Tokachi-oki, 2011 Tohoku-oki, and 2004 Rumoi earthquakes). Error bars are 0.5 − σ. The horizontal colored lines behind the March 1996 to September 2003 and January 2014 to December 2017 periods are the strain rates shown in Fig. 2 estimated from the two velocity fields. Each color corresponds to a grid location. a-2 is identical to a-1 but for the E–W component. b Southern areas. b-1 and b-2 are identical to a-1 and a-2, respectively, but are for southern areas (red: 141.70°E, 42.85°N and blue: 141.70°E, 43.10°N)

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