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Earth, Planets and Space
Fig. 2 | Earth, Planets and Space

Fig. 2

From: Dip distribution of Oita–Kumamoto Tectonic Line located in central Kyushu, Japan, estimated by eigenvectors of gravity gradient tensor

Fig. 2

Residual Bouguer gravity anomaly map of the study area. The contour interval is 2.5 mGal. In this map, the regional linear trend of the Bouguer gravity anomalies such as the effect of the subducting plate was estimated and removed by using the least squares method. The Bouguer gravity anomaly used here is based on the gravity anomaly database (1 km × 1 km mesh data) of Komazawa (2004); a Bouguer density of 2670 kg/m3 was employed

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