sl ides ▁in ▁ 1 9 7 9 ; ▁and ▁due ▁to ▁h urr ican es ▁in ▁ 1 9 8 1 , ▁ 1 9 8 7 , ▁ 1 9 9 0 , ▁ 1 9 9 1 ▁and ▁ 2 0 0 4 ; ▁and ▁a ▁t sun ami ▁in ▁ 2 0 0 9 . ▁ ▁The ▁h urr icane ▁of ▁December ▁ 4 – 1 3 , ▁ 1 9 9 1 ▁was ▁the ▁worst ▁dis aster ▁faced ▁by ▁entire ▁group ▁of ▁Sam o an ▁Islands ▁which ▁was ▁named ▁" H urr icane ▁Val ," ▁which ▁caused ▁immense ▁dam ages ▁to ▁property ▁in ▁the ▁American ▁Sam oa ▁and ▁Western ▁Sam oa . ▁The ▁H urr icane ▁Val ▁in ▁comparison ▁to ▁past ▁h urr ican es , ▁was ▁very ▁severe ▁and ▁the ▁storm ▁force ▁had ▁a ▁wind ▁velocity ▁of ▁over ▁ 1 0 0 ▁kn ots ▁or ▁/ hour . ▁It ▁was ▁reported ▁as ▁the ▁worst ▁in ▁ 1 0 0 ▁years ▁in ▁its ▁intensity ▁of ▁wind ▁force ▁and ▁the ▁sever ity ▁of ▁the ▁damage ▁caused ▁in ▁the ▁island . ▁According ▁to ▁the ▁history ▁of ▁the ▁National ▁Ocean ic ▁and ▁At mos pher ic ▁Administration ' s ▁( NO AA ) ▁American ▁Sam oa ▁observ atory , ▁" H urr icane ▁Val " ▁struck ▁the ▁T ut u ila ▁Island ▁from ▁December ▁ 7 ▁– ▁ 1 0 th . ▁The ▁h urr icane ' s ▁eye ▁passed ▁over ▁the ▁southern ▁end ▁of ▁the ▁island ▁with ▁wind s ▁as