Figure (IMAGE) University of Tsukuba Caption (Upper panel) Observed seismic waveforms propagating from the landslide source. Map shows the observed arrival angles and arrival times from the landslide. (Lower panel) Observation design. We make triad sub-array networks from the existing seismic networks. Map shows the satellite images before and after the landslide. Credit University of Tsukuba Usage Restrictions Unauthorized use is prohibited License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.