Abstract
The 2010 Chilean Tsunami has been observed by a line of the eleven GPS-mounted buoys of NOWPHAS, drifting on the sea surface at the location of 100- 300m in depth on the Tohoku to Shikoku Coast, Japan. The maximum tsunami anomaly was 0.1-0.3m and the predominant period was longer than 50min. The tsunami components of longer than 30 min in period were significantly amplified from the GPS-mounted buoys to the seabed wave gauges near the GPS-mounted buoys, installed at spots of 30-50m in depth, and then the short components of 10-20min were amplified to the coastal tide gauges due to the local bathymetry. Such the significant amplification was observed from the seabed wave gauges to the coastal tide gauges in three tsunamis in 2003 to 2006.
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Schedule a callMore From: Journal of Japan Society of Civil Engineers, Ser. B2 (Coastal Engineering)
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