HW #3 pg 2 - 4(10 points 56 One ofthe deadliest disasters...

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Unformatted text preview: 4- (10 points) 56. One ofthe deadliest disasters in modem history was the 2004 Christmas earthquake and tsunami in the Indian Ocean. A tsunami is a seismic sea wave that is renter shallow but has a very long wave laud: (50 to 150 miles] and travels very fast (50-400 mit'hl; see Figute 333. At sea. these waves on. go unnoticed because thcyhlveanantplitodeofonlylln3fhbutulheyep- pmch shore and shallow water. they undergo a devastat- ing change in amplitude (over 100 ft). which can do ex- tegtaive damage to low-lying coastal ateas. Fot example. the [883 [Ct-alum eruption unset! a tumti that killed 36,000 people. It is reported that this killer tsunami had a wavelength of 120 mi. traveled at 300 I'lth. and had a period of 30 minutes. Figure 3.33 Tstl'lamim V: 300 umhewmmfim __: {Dom-‘31 5:7 \ZD f'asin-z-‘ECx—W} (A: Z. {I I" 0 tographthiatsunamiforewave withamplitudelftal tirlter=0. [4: Z 8V0 \20 bp- gbllufl) ...
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