Fig. 2From: MOWLAS: NIED observation network for earthquake, tsunami and volcanoHi-net station distribution in and around the Kanto-Tokai area. The circles and squares denote stations constructed before and in or after 1997, respectively. Deep and semi-deep boreholes (> 1000 m) are represented by the red circles and the blue squares, respectively. Stations with seismometers of the ETMC system in the Sagami Bay are shown by the green circlesBack to article page