potres in tsunami
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Potres in tsunami 11. marca 2011
na Japonskem
Katsushika Hokusai: Veliki val pred Kanagawo (iz
zbirke 36 pogledov na goro Fuji)
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Datum
Čas (h:m:s -
UTC) Območje
Zem.
širina
Zem.
dolžina
Globina
hipocentra Magnituda Sopojavi
22.5.1960 19:11 Pred obalo južnega Čila -39.5 -74.5 60 9.5 tsunami
28.3.1964 3:36 ZDA (Aljaska) 61.1 -147.5 23 9.2 tsunami
9.3.1957 14:22:31.9 ZDA (Aljaska) 51.292 -175.63 33 9.1 tsunami
4.11.1952 16:58 Rusija (polotok
Kamčatka)
52.75 159.5 45 9.0 tsunami
26.12.2004 0:58:53.4 Indonezija (pred obalo
Sumatre)
3.295 95.982 30 9.0 tsunami
11.3.2011 05:46 Pred vz. obalo Japonske 38.322 142.369 24 9.0 tsunami
31.1.1906 15:35 Pred obalo Ekvadorja 1 -81.5 25 8.8 tsunami
16.11.1907 10:10 Peru -8 -76.8 150 8.7
3.1.1911 23:25 Kazahstan (Almaty) 43.5 77.5 25 8.7
15.6.1911 14:26 Japonska (otočje
Ryukyu)
29 129 160 8.7 tsunami
24.11.1914 11:53 Japonska (otočje
Volcano)
22 143 110 8.7
4.2.1965 5:01:21.6 ZDA (Aljaska - Aleuti) 51.29 -178.55 36 8.7 tsunami
28.3.2005 16:09:36.5 Indonezija (Sumatra) 2.085 97.108 30 8.7 tsunami
22.8.1902 3:? Kitajska (Xinjiang),
Kirgizija
40 77 60 8.6
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• Tsunami povzroči podmorskipotres, ob katerem pride do
vertikalnega premika. Ob tem
se del energije prenese v
oceansko vodo, ki vzvalovi in tivalovi se z veliko hitrostjo
širijo na vse strani (500–900
km/h). Na odprtem morju ima
val veliko valovno dolžino in
majhno amplitudo (do nekaj
dm) ter periodo od 10 min do 2h. Ko se valovi približajo obali,se valovna dolžina zmanjša,
prav tako hitrost (ok. 20 m/s),
višina pa hitro poveča in nato
silovito plusknejo na obalo ter
povzročijo uničenje.
http://www.seed.slb.com/flash/science/features/earth/livingplanet/tsunami_wa
ve/en/index.htm?width=770&height=370&popup=true
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http://nctr.pmel.noaa.gov/Dart/
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http://www.emsc-csem.org/#2w
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Vir:
http://itic.ioc
-unesco.org
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• Ob potresu 26.12.2004 se je po računalniškem modelu burmanskaplošča premaknila do 20 m proti JZ (v globini 18 km), na površinivertikalni premik do 5 m, horizontalni premik do 11 m. Na levi sliki
vertikalni premiki, na desni sliki horizontalni premiki.
• (Vir: http://earthobservatory.nasa.gov/NaturalHazards)
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• Do premika plošč je prišlo narazdalji skoraj 1200 km,
količina nakopičene energije je bila tolikšna, da je nastaloveč deset popotresnih
sunkov z magnitudo nad 7.0.• Tu se indijsko-avstralska
plošča podriva podburmansko (povprečno 50mm/leto), na stiku nastal
Sundski globokomorski jarek.
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Izolinije potovanja tsunamijev 26.12.2004
(Vir: Tsunami Laboratory)
http://tsun.sscc.ru
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http://www.youtube.com/watch?v=LEtN8x1pD8w
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http://www.noaanews.noaa.gov/stories2005/s2365.htm
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Mreža postaj za opazovanje nevarnosti tsunamijev
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Širjenje tsunamija 2h 21 min po potresu
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http://www.youtube.com/watch?v=eJ3p-
bV5yxQ&feature=watch_response
Knjigarna v Sendaiju
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Vir: http://www.theatlantic.com/infocus/2011/03/earthquake-
in-japan/100022/
Knjigarna v Sendaiju
http://www.abc.net.au/news/events/japan-quake-
2011/beforeafter.htm
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Tsunami v Natoriju
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Tsunami v Kesennumi
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Tsunami v Iwanumi
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Novi valovi prihajajo proti Natoriju
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Kesennuma – po tsunamiju
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Iwaki – po tsunamiju
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Letališče Sendai – po tsunamiju
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Blizu letališča Sendai – po tsunamiju
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Natori – po tsunamiju
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Natori – po tsunamiju
Požar v rafineriji Cosmo v Ichihari
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Požar v rafineriji Cosmo v Ichihari
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Letališče Sendai – po tsunamiju
Tsunami v mestu Kesennuma
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Tsunami v mestu Kesennuma
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Tsunami pri mestu Asahikawa
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Natori – požar po potresu in tsunamiju
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Pristanišče Hitachinaka pri Chibi po tsunamiju
Tsunami v pristanišču Onahaka pri Iwakiju
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Tsunami v pristanišču Onahaka pri Iwakiju
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Požar po potresu v tovarni pri Sendaiju
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