▁largest ▁recorded ▁earth qu ake ▁in ▁China . ▁In ▁ 2 0 0 8 ▁the ▁magnitude ▁ 8 . 0 ▁ 2 0 0 8 ▁S ich uan ▁earth qu ake ▁killed ▁ 8 7 , 5 8 7 ▁people . ▁ ▁Earth qu ake ▁prediction ▁was ▁popular ▁between ▁ 1 9 6 6 – 1 9 7 6 , ▁ ▁which ▁over la pped ▁with ▁the ▁Cultural ▁Revolution . ▁This ▁reached ▁its ▁height ▁with ▁the ▁successful ▁prediction ▁of ▁the ▁ 1 9 7 5 ▁Ha ich eng ▁earth qu ake . ▁This ▁earth qu ake ▁had ▁a ▁prominent ▁series ▁of ▁fore - sh ock s ▁and ▁authorities ▁who ▁were ▁eager ▁to ▁issue ▁a ▁warning . ▁However , ▁very ▁few ▁earth qu akes ▁have ▁both ▁these ▁criteria . ▁The ▁un predict able ▁and ▁dev ast ating ▁Tang sh an ▁earth qu ake ▁in ▁ 1 9 7 6 ▁led ▁to ▁a ▁reduction ▁of ▁the ▁popular ity ▁of ▁earth qu ake ▁prediction ▁in ▁China . ▁ ▁Vol cano es ▁▁ ▁All ▁of ▁China ' s ▁recently ▁active ▁vol cano es ▁have ▁formed ▁within ▁t ect onic ▁pl ates , ▁however , ▁there ▁is ▁extensive ▁arc ▁related ▁vol can ism ▁off ▁the ▁eastern ▁coast . ▁Active ▁vol cano es ▁are ▁found ▁in ▁the ▁Ch ang ba ish an , ▁J ing bo ▁Lake , ▁W ud al ian chi , ▁T eng ch ong ▁and ▁Y ut ian ▁areas . ▁ ▁The ▁B ait ous han ▁vol cano ▁( also ▁called ▁Pa e kt u