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Earth, Planets and Space
Fig. 1 | Earth, Planets and Space

Fig. 1

From: Gravity changes associated with variations in local land-water distributions: Observations and hydrological modeling at Isawa Fan, northern Japan

Fig. 1

Spatial distribution of observatories at Isawa Fan. The dashed line shows the approximate shape of Isawa Fan (radius: ∼20 km). The star, circle, triangle, diamond and square show the positions of the NAOJ Mizusawa VLBI Observatory, Suginodo Spring, Otemachi snow observatory, AMeDAS Esashi Observatory and NAOJ Esashi Earth Tides Station, respectively. Two squares—MF1 and MF2—, beach-ball-like circle and square DF show coseismic faults, focal mechanism and afterslip fault for the 2008 Iwate-Miyagi Nairiku Earthquake (Ohta et al., 2008; Iinuma et al., 2009; Suzuki et al., 2010). Digital elevation model SRTM30_PLUS (Becker et al., 2009) is used for surface elevation, and contours are drawn every 200 m. The large star in the bottom-right map shows the position of Isawa Fan in the northern part of Japan.

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