 raboye  50  yellalo cascadia bhukampam sambhavinchee avaksam emti mariyu adi entha teevramgaa umtumdi ?
 cascadia sab ‌ duction zoan ‌ loo sagatuna prathi  500  samvathsaralaku tarachugaa sunaameelatoo koodina  " goppa bhookampaalu " ( moment magnituude  8  ledha anthakante ekuva unnavi )  sambhavistaayani bhaugoollika recordu velladistundi .  sagatuna  570–590  samvatsaraalato sumaaru  300  nundi  900  samvatsaraala Madhya vyavadhilo kanisam  13  sanghatanalu jariginatlu adharalu unnayi .  munupati bhookampaalu  AD 1310, AD 810, AD 400, 170 BC  mariyu  600 BC lalo sambhavinchinatlu anchana vaeyabadindi .[citation needed]

 cascadia bhookampa moolaalu 

1700  bhukampam , 2004  hinduism mahasamudra bhukampam mariyu  2011  tohoku bhukampam mariyu sunaameelo chuusinatlugaa ,  sab ‌ duction zoan bhookampaalu peddha sunaameelaku kaaranamavutaayi mariyu bhavishyathulo cascadia bhookampaalanu oohinchi praantamlooni anek thira pranthalu sunami tharalimpu pranalikalanu siddham chesaayi .  edemainappatiki ,  sameepamloni pradhaana nagaraalu ,  mukhyamgaa seattle ,  Port ‌ land ,  vankouver ,  viktoriya mariyu tacoma ,  samudrateeramlo kakunda lothattu jalamaargaalapai unnayi ,  ivi sunami yokka porthi bhaaram nundi aashrayam pondutaayi .  yea nagaraalu anek haani kaliginchae nirmaanaalanu kaligi unnayi ,  mukhyamgaa vantenalu mariyu balaparachani ituka bhavanalu ;  paryavasanamga ,  nagaralaku chaaala nashtam bahusa bhukampam nunde kaavachhu . 1906  shaan francisco bhukampam yokka parimaanaanni thattukodaaniki kudaa seattle ‌ loni bhavanalu chaaala saripovani ooka nipunudu nokkicheppadu ,  antakanna saktivantamainadi .

 oregon ,  washington ,  idaho mariyu alaaskaaku badyatha vahinche vibhaagam  FEMA  yokka regian  X ki darsakatvam vahinche kenneth marfi chaaala naatakeeyangaa ila cheppaadu : " antarrashtra  5 ki paschimaana unna pratidee toast ‌ gaaa untundani maa opeerating ooha ."

 cascadia sab ‌ duction zoan gatamlo nammina danikante chaaala klishtamgaa mariyu asthirangaa undani itivali parisoedhanalu nirdhaarinchaayi . 2010 loo ,  bhuuvijnaana shaasthravetthalu  50  ellalopu  M8.2+  ewent ‌ ku  37%  avaksam undani mariyu motham cascadia sab ‌ duction zoan adae samayamlo  M9+  ewent ‌ thoo cheelipoye avaksam  10  nundi  15%  varku untundani anchana vessaru .  pasifik north ‌ vest inta bhaaree bhookampaaniki siddhangaa ledani kudaa bhuuvijnaana shaasthravetthalu nirdharincharu .  utpatthi cheyabadina sunami  80  nundi  100  adugula  (24  nundi  30  mee )  ettuko cherukuntundhi .

2004  adhyayanam cascadia sab ‌ duction zoan ‌ thoo paatu saapeksa sagatu samudra mattam perugudala  ( ksheenatha kaaranamgaa )  sambhaavyatanu velladinchindi .  vankouver dveepam yokka paschima teeramlo unna tophino mariyu uklulet vento nagaraalu sagatu samudra mattaaniki sambandhinchi  1-2  mee kshinathaku gurayye pramaadam undani idi suuchimchimdi .
 raboye  38  samvatsaraalalo cascadia platelets sab ‌ duction kaaranamgaa  8.2+  teevratato bhukampam sambhavinchee avaksam  37%  mariyu adae samayamlo  9+  teevratato sambhavinchee bhookampamlo  10% - 15%  untundani bhugarbha shaasthravetthalu anchana veasthunnaru .  yea deetaa  2010  adhyayanam nundi .  muulam : https://web.archive.org/web/20100527090117/http://oregonstate.edu/ua/ncs/node/13426