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The Mad Monk
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of Ice Cream
Mar 2000
time: 23:17
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quote:
Originally posted by VJ
Good. Perhaps that'll teach the idiots that they have to build proper housing before starting a civil war over trivial differences regarding their religions.
Yeah right, who am I kidding...
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First, you're a twit.
Second, it's one thing to build earthquake resistant housing; it's quite another building houses that can withstand the punch of several dozen metric tons of water hitting on one side, all at once, and at high speed.
Actually, I'd say it would be impossible for anything short of steel reinforced concrete.
Even if we're just discussing the swell, there's the whole matter of being caught inside a house that's now underwater.
The real problem, according to at least one report, is that tsunamis rarely hit these areas, so nobody told these people how to identify an approaching tsunami (unusual and rapid tide changes, etc), and what do when one is approaching (RUN INLAND!!!).
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Locutus
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ACS CTP1/2 Manager & Civ4 Co-Manager
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Hengelo, The Netherlands
Nov 1999
time: 06:17
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For people wondering about tsumanis on mid-ocean (Dissident et al):
quote:
Tsunami: (tsoonä´mç), series of catastrophic ocean waves generated by submarine movements, which are caused by earthquakes , volcanic eruptions, or landslides beneath the ocean. In the open ocean, tsunamis may have wavelengths of up to several hundred miles and travel at speeds up to 450 mi per hr (720 km per hr), yet have wave heights of less than 3 ft (1 m), which pass unnoticed beneath a ship at sea. The period between crests of tsunami waves varies from 5 min to about 1 hr. When tsunami approach shallow water along a coast, they are slowed, causing their length to shorten and their height to rise sometimes as high as 100 ft (30 m). When they break, they often destroy piers, buildings, and beaches and take human life. The wave height as they crash upon a shore depends almost entirely upon the submarine topography offshore. Waves tend to rise to greater heights along gently sloping shores, along submarine ridges, or in coastal embayments. There is little warning of approach; when a train of tsunami waves approaches a coastline, the first indication is often a sharp swell, not unlike an ordinary storm swell, followed by a sudden outrush of water that often exposes offshore areas as the first wave trough reaches the coast. After several minutes, the first huge wave crest strikes, inundating the newly exposed beach and rushing inland to flood the coast. Generally, the third to eighth wave crests are the largest. Since tsunami principally occur in the Pacific Ocean following shallow-focus earthquakes over magnitude 6.5 on the Richter scale , one of the best means of prediction is the detection of such earthquakes on the ocean floor with a seismograph network (see seismology ). Tsunamis may be detected by wave gauges, such as those emplaced as part of the Tsunami Warning System operating in the Pacific regions. Measurement of sudden sea level changes from satellites are also used to warn of potential tsunami. Probably the most destructive tsunami occurred following the explosive eruption of the volcano Krakatoa in the East Indies on Aug. 27, 1883, when over 36,000 people were killed as a result of the wave. Waves were up to 100 ft (30 m) high with speeds between 350 and 450 mi per hr (560-720 km per hr). Its passage was traced as far away as Panama. |
Source: www.encyclopedia.com
I wouldn't put too much fate in casualty figures just yet. In the first days after 911 some of the casualty figures reached up to 100,000(!). It's such a big chaos up there it's hard to get any reliable numbers, I think it'll be at least a week before we start hearing somewhat reliable and accurate numbers. Usually in these kinds of catastrophes the final number ends up being much lower than the ones initially reported. Let's hope that's true in this case as well (although it's quite obvious that the number will be very, very high  )
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27-12-2004 16:56
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