Takagadzirirwa Sei Kune Mukuru?
Is Seattle yakagadzirirwa kudengenyeka kwenyika kukuru here? Kuona kudengenyeka kunoparadza uye tsunami muJapan pedyo nechekudengenyeka kwenyika kwakaitika muna 2010 muChile, imwe nyika yakawanda, yakajeka, yakagadzirirwa, ine vazhinji muNorthwest-West inofunga kuti yakagadzirira sei maguta avo nemataundi ekudengenyeka kwenyika kukuru.
Zvikanganiso
The Cascadia Fault (kana Cascadia subduction zone, kushandisa nguva yakajeka) inomhanya kubva kumhenderekedzo kubva kuchamhembe kwakadzika kweVancouver Island iri kuSeattle nePortland kusvika kuchamhembe kweCalifornia.
Masayendisiti anotenda kuti iyi tectonic mhosva inokwanisa kukonzera kudengenyeka kwenyika kukuru, kuvhara 9.0 paRichter scale, uye kuti kune inenge 40% mukana wekuitika kwemhepo kwakadaro mumakore makumi mashanu anotevera. Panguva iyo hapana nzira yekufanotaura nguva yekudengenyeka kwakadaro, iyo chete inogona kunyanya. Uye nemhaka yokuti mhirizhonga iri kumhenderekedzo yegungwa, mhashu yeCascadia inomira mukana wakakura wokugadzira tsunami huru.
Munguva pfupi yapfuura, masayendisiti akawana mhosva duku, isina kudzika iri pasi peguta re Seattle pachayo, inonzi Seattle Fault. Iyi mhosho haigoni kuunza mega-quake pamusoro pe8.0 asi inogona kuita zvakawanda kukuvadza kuSeattle nekuda kwekuswedera kwayo. Ichi chikanganiso chikamu chekubatana kwezvikanganiso zvakadzama, kusanganisira Tacoma Fault neOlympia Fault, mumwe nomumwe achiisa ngozi dzaro kumativi akasiyana enyika.
Dambudziko Rinogona Kuitika
Kudengenyeka kwemaga kuCascadia mhosva kunogona kuunza tsunami kusvika mamita zana kubva kumusoro.
Kunyange zvazvo vazhinji veSeattle vakakwira kumusoro kwemazana zana, mhepo yakawanda yaizopedza nzvimbo dzegungwa uye ichiparadza mabhiriji akawanda asina simba anobatanidza Seattle nenyika yekunze, izvo zvinogona kukonzera dambudziko revanhu sezvo zviuru zvingasara zvisina zvokudya kana mvura yakachena mazuva.
Kudengenyeka kwakanyanya kuduku paSeattle Fault kunogona kunge kuchikuvadza zvikuru muguta, nekuda kwekudzika kwakadzika kwekanganiso uye pedyo nekuswedera kweguta.
Chimwe chidzidzo chakafanotaura kuti kudengenyeka kwe 7.0 chete paSeattle Fault kwaizoparadza mabhiriji makumi mapfumbamwe nemasere munzvimbo yeSeattle. Mutevedzeri wekudzidza wakarongeka vangave vakaurawa vanopfuura 1 500 vakafa uye 20 000 vakakuvara zvakakomba. Kukuvadza kukuru kwaizoitika kune zvikepe zvezvikepe, zvivako zvefisi, zvivako zvehofisi, uye zvipatara. Nzira yakanyanyisa yeAlaskan Way yaizowira nyore nyore. Iko huru yepaipi yepayipi inotenderera kuburikidza neminda yakashata mu Renton inogona kuparara. Zvikamu zveSeattle zvakavakwa pamigwagwa (Pioneer Square uye yakawanda yemvura yakatarisa) inogona kuona kuparadza kukuru.
Kugadzirira Kwakaita Sei Seattle?
Muna 2010, nyanzvi yekudengenyeka kwenyika Peter Yanev akanyora mharidzo inonyadzisa muNew York Times ichidaidzira Seattle kunyanya kusagadzirirwa kugadzika kwenyika. Akasimbisa kuti kuwedzera kwemaitiro makuru muNorth West kwakatungamirira kune dzimwe dzidziso dzakagadzikana dzokuvaka kupfuura maguta akadai seSan Francisco neLos Angeles. Maererano naYanev, "Pacific Northwest-Maguta maguta azere nezvivako zvine mapuranga mashoma edzimba uye masvingo maduku uye mashoma emakwati. Mune kudengenyeka kwemhepo, dzakawanda zvezvivako zvidhori zvirefu zvemuganhu zvingangoparara. "Rob Witter, weOregon geologist akaudza The Oregonian," Kuwanda kwekuparadzwa kunenge kusingatenderwi.
Vanhu havasi kuzogadzirira izvi. "
Kudengenyeka kwenyika kwakaitwa muna 2001 Nisqually kwakaita sechimwe chinhu chekumuka kweSeattle, zvichiita kuti simba rekugadzirisa zvivako zvezvivako zvakakomba zveguta racho. Harbourview, iyo nzvimbo inonyanya kushungurudza nzvimbo, yakadzokidzwa. Zvivako zvitsva zvemoto zvakavakirwa kune yakakwirira code code. Uyezve, makore gumi gare gare iyo nzira yeAlaskan Way ichiri kushanda, bhiriji rinokwira 520 richiri kutakura zviuru zvemotokari pazuva, uye guta rakamisa purogiramu yegadziriro yezvekuvaka zvivako zvekare kare muna 2008. Chipingamupinyi chikuru ndechekubhadhara mari. Kuvandudza zvikamu zvose zvinokanganisa munzvimbo iyi zvinodhura mazana emamiriyoni emadhora. Vadzidzisi veminda havadi kubhadhara kugadziridza uye hurumende uye hurumende dzomunzvimbo dziri mari-yakasungwa. Zvisinei, mari yekuvandudza yakaderera kudarika zvinotarisirwa nehupfumi hweSeattle Fault kudengenyeka, mu ballpark ye $ 33 bhiriyoni.
Chii Chaungaita?
Pane zvipingamupinyi zviviri zvakakonzera Seattle vagari venyika, nguva pfupi uye kwenguva refu. Iyo ngozi yenguva pfupi ndeyokuwa kwezvivakwa zvekare zvezvidhinha. Vaya vanogara kana kushanda mune chimwe chezvivako izvi vangave vachida kufunga nezvekushandurwa kwenzvimbo. Kuwedzera kune dzimwe nzvimbo dziri pangozi kupfuura dzimwe: Pioneer Square, Georgetown, uye Interbay zvinowedzera kuipa kupfuura Capitol Hill, Northgate, kana Rainier Valley.
Kutyisidzira kwenguva refu hakusi kukuvadza mumuviri nokukurumidza asi mukana wokuti kudengenyeka kukuru kunoputsa migwagwa yemvura uye kugura migwagwa inounza kudya muguta kwemazuva. Nyanzvi dzinokurudzira kuunganidza chiitiko chekukurumidzira kumba kwako chinogona kukusimbisa nezvokudya, mvura, uye zvinhu zvokutanga rubatsiro kwemazuva matatu. Guta reSan Francisco rakagadzira rakanaka kwazvo SF72.org iyo inokutungamirira kuburikidza nekugadzira chirongwa chekukurumidza.