Changeset 3064 for production/onslow_2006/report/tsunami_scenario.tex
- Timestamp:
- Jun 5, 2006, 9:51:53 AM (18 years ago)
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production/onslow_2006/report/tsunami_scenario.tex
r3016 r3064 1 The tsunamigenic event used for this study is one used 2 to develop the preliminary tsunami hazard assessment which 3 was delivered to FESA in September 2005, 4 \cite{BC:FESA}. In that assessment, a suite of 5 tsunami were evenly spaced along the Sunda Arc subduction zone and there 1 The tsunamigenic event used for this study was developed for a 2 preliminary tsunami hazard assessment study delivered to FESA in September 2005, 3 \cite{BC:FESA}. In that assessment, a suite of Mw 9 earthquakes 4 were evenly spaced along the Sunda Arc subduction zone and there 6 5 was no consideration of likelihood. Other sources were not considered, such 7 6 as intra-plate earthquakes near the WA coast, volcanoes, landslides … … 12 11 Current studies underway in GA are building probabilistic 13 12 models to develop a more complete tsunami hazard assessment 14 for the Sunda Arc subduction zone . (This is15 due for completion in late 2006. )In the preliminary assessment for13 for the Sunda Arc subduction zone, 14 due for completion in late 2006. In the preliminary assessment for 16 15 example, it was argued that while Mw 7 and 8 earthquakes are expected 17 to occur with a greater frequency , they are likely to pose a comparatively18 low andlocalised hazard to WA.16 to occur with a greater frequency than Mw 9 events, 17 they are likely to pose a comparatively low and more localised hazard to WA. 19 18 20 19 FESA are interested in the ``most frequent worst case scenario''. Whilst … … 22 21 a plausible worst case scenario. 23 22 24 The following figure is taken from the preliminary assessment and 25 shows the maximum wave height up to the 50m contourfor a Mw 9 event off26 the coast of Java. It is this event which provides the source to the27 inundation modelling presented in the following section. 28 23 Figure \ref{fig:mw9} shows the maximum wave height up to the 50m contour 24 for a Mw 9 event off 25 the coast of Java. It is this event which provides the source and 26 boundary condition to the 27 inundation modelling presented in this report. 29 28 30 29 … … 38 37 \label{fig:mw9} 39 38 \end{figure} 39 40 \bf{run run_timeseries.py for some boundary gauges to show 41 what the source provides to teh boundary for this study.}
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