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High Frequency (HF) Radar Detection of the Weak 2012 Indonesian Tsunamis
AbstractWe report here on the observation and offline detection of the weak tsunamis generated by earthquakes near Indonesia on 11 April 2012 using radar systems and tide gauges on the coasts of Sumatra and the Andaman Islands. This work extends the previous observations of the much stronger 2011 Japan tsunami. The distance offshore at which the tsunami can be detected, and hence the warning time provided, depends primarily on the bathymetry: the wider the shallow continental shelf, the greater this time. The weak Indonesia tsunamis were detected successfully in spite of the narrow shallow-water shelf offshore from the radar systems. Larger tsunamis could obviously be detected further from the coast. This paper provides further confirmation that radar is an important tool to aid in tsunami observation and warning.
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Lipa, B.; Barrick, D.; Diposaptono, S.; Isaacson, J.; Jena, B.K.; Nyden, B.; Rajesh, K.; Kumar, T.S. High Frequency (HF) Radar Detection of the Weak 2012 Indonesian Tsunamis. Remote Sens. 2012, 4, 2944-2956.View more citation formats
Lipa B, Barrick D, Diposaptono S, Isaacson J, Jena BK, Nyden B, Rajesh K, Kumar TS. High Frequency (HF) Radar Detection of the Weak 2012 Indonesian Tsunamis. Remote Sensing. 2012; 4(10):2944-2956.Chicago/Turabian Style
Lipa, Belinda; Barrick, Donald; Diposaptono, Subandono; Isaacson, James; Jena, Basanta Kumar; Nyden, Bruce; Rajesh, Kuppili; Kumar, T. Srinivasa. 2012. "High Frequency (HF) Radar Detection of the Weak 2012 Indonesian Tsunamis." Remote Sens. 4, no. 10: 2944-2956.
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