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Originally posted by AlexanderM
Originally posted by PuterMan
reply to post by AlexanderM
I am of course refering to the work of Young and Bryant, regarding the evidence of the Hawaii landslide and resulting tsunami in Australia 105,000 years ago. Now, this is disputed, but what isn't.
The problem with the computer models that you believe in so certainly, which is ridiculous, is that those models "assume" the slide will behave in a certain manner. And, of course, if that's what you program into the model, that's what you will get out of the model.
With a slide of this size you err on the side of caution, and you don't tell people there will be a 1 meter high tsunami on the east coast of the US because that may mean some will not see the need to seek higher ground. And, if you and your expert are then wrong, and experts are wrong all the time, then many lives are placed in grave danger.
Research indicates that there was a giant tsunami in the Pacific Ocean some 105,000 years ago, caused by either a submarine landslide, volcanic activity, an earthquake or possibly a meteorite impact. The enormous submarine landslide theory is considered most likely, with these types of landslides having been proven around the various islands of the Hawaiian chain.
So, yes, the existence of a gigantic tsunami in the Pacific Ocean around 105,000 years ago appears to be very probable. However, such a tsunami, even though enormous in relation to more recently recorded ones, would not have been of sufficient size to have ‘covered the United States’. It would certainly have caused catastrophic damage along the west coast of the US, but it would not have progressed that far in land, particularly due to the presence of the west coast mountain ranges. It would also have devastated islands and coastal areas all around the Pacific and even beyond. And as mentioned already, the hottest theory of the cause of such a tsunami is an enormous submarine landslide in the Hawaiian Islands - but a meteorite or asteroid impact in the Pacific Ocean can also not be ruled out.
refering to the work of Young and Bryant
Moore and Moore (1984) attributed Pleistocene rubble deposits up to 326 m above present sea level from Lanai (Hawaiian Archipelago) to enormous waves that occurred during the last-interglaciation. Lipman et al. (1988) tied the Lanai deposits to the Alika submarine landslide to the east on the island of Hawaii. Young and Bryant (1992) associated sedimentary disruption of stage 5e deposits above 15 m in New South Wales, Australia (14,000 km away) to the Lanai wave event about 105,000 yr ago. Jones (1992), however, disputed the Hawaiian source of the tsunami, citing problems with wave attenuation and evidence of uplift of the Hawaiian Islands to explain the Lanai deposits. In reply, Young and Bryant (1992) appropriately noted that, despite some debate on the source of the large waves, the disruption of lastinterglacial sand barriers over 500 km of Australian coastline is in itself an impressive geomorphic product of large waves in the Pacific Ocean.
These documents, in the past, were easy to access, I used to have no problem finding them. I have accessed them in the past and have seen documentaries based on those discussions. I do not care that I cannot access them now, I have looked at that material in the past.
Originally posted by PuterMan
snip
Unfortunately the paper to which you refer "Catastrophic wave erosion on the southeastern coast of Australia: Impact of the Lanai tsunamis ca. 105 ka?" is paywalled, so I assume that you have access to this otherwise you would not be able to make your statement.
snip
Originally posted by dreamfox1
Whats happening to New Zealand ????
2012-06-30
05:07:31.6
43.4, 84.8 7
Ms6.6
新疆维吾尔自治区伊犁哈萨克自治州新源县、巴音郭楞蒙古自治州和静县交界
www.csndmc.ac.cn...
Originally posted by exzgtct
Originally posted by PuterMan
snip
Unfortunately the paper to which you refer "Catastrophic wave erosion on the southeastern coast of Australia: Impact of the Lanai tsunamis ca. 105 ka?" is paywalled, so I assume that you have access to this otherwise you would not be able to make your statement.
snip
free pdf, out of institutional paywall.
size warning, 3.57 MB
This is original, "official of record" from GSA Pubs / GeoScienceWorld.
UOW has a free 924 KB low res at ro.uow.edu.au/scipapers/83/, but the images are degraded.
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Catastrophic wave erosion on the southeastern coast of Australia: Impact of the Lanai tsunamis ca. 105 ka?
R. W. Young and E. A. Bryant
Geology 1992;20;199-202
doi: 10.1130/0091-7613(1992)0202.3.CO;2
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jjjtir.files.wordpress.com/2012/06/geology-1992-young-199-202.pdfedit on 28-6-2012 by exzgtct because: (no reason given)