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I do strongly doubt that knee jerk reactions and over-corrections are the right course of action.
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It's really about all we have to work with. 
en.wikipedia.org/wiki/1958_Lituya_Bay_earthquake_and_megatsunami
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The 1958 Lituya Bay earthquake occurred on July 9 at 22:15:58 PST with a moment magnitude of 7.8 to 8.3 and a maximum Mercalli intensity of XI (Extreme).[4] The strike-slip earthquake took place on the Fairweather Fault and triggered a rockslide of 40 million cubic yards (30 million cubic meters and about 90 million tons) into the narrow inlet of Lituya Bay, Alaska. The impact was heard 50 miles (80 km) away,[7] and the sudden displacement of water resulted in a megatsunami that washed out trees to a maximum elevation of 1,720 feet (524 meters) at the entrance of Gilbert Inlet.[8] This is the largest and most significant megatsunami in modern times; it forced a re-evaluation of large-wave events and the recognition of impact events, rockfalls, and landslides as causes of very large waves.[9]
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Things like this is why the Oregon Coast is posted with Tsunami Zone signage.
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.Without freedom of speech we wouldn't know who all the idiots are. -- anonymous poster
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.What the headline giveth, the last paragraph taketh away. -- Scott Ott
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