Fig. 5From: Ambient noise tomography in the Naruko/Onikobe volcanic area, NE Japan: implications for geofluids and seismic activityCheckerboard tests. a Input (left) and output (right) models with 0.04° by 0.04° anomalies at 0.2 Hz. b The same as a but with 0.08° by 0.08° anomaliesBack to article page