Figure 2From: Active monitoring at an active volcano: amplitude-distance dependence of ACROSS at Sakurajima Volcano, JapanLocation of the ACROSS source and seismic stations on and off Sakurajima Volcano, Japan. Red circle shows the location of the ACROSS source. Blue circles labeled with codes are the seismic stations we used. The elevation is shown by color scale, where land area is colored by green to yellow and sea area is colored by cyan to blue.Back to article page