▁ 1 9 2 7 ▁he ▁developed ▁the ▁Sie berg ▁Sc ale , ▁a ▁six - deg ree ▁scale ▁for ▁assess ing ▁the ▁strength ▁of ▁t sun am is ▁on ▁the ▁basis ▁of ▁their ▁effects ▁on ▁humans , ▁buildings ▁and ▁nature , ▁which ▁was ▁adapted ▁in ▁ 1 9 6 2 ▁by ▁Nicholas ▁Am br ase ys ▁in ▁the ▁form ▁of ▁the ▁Sie berg - Am br ase ys ▁T sun ami ▁Int ens ity ▁Sc ale ▁to ▁the ▁usual ▁twelve - deg ree ▁earth qu ake ▁scales . ▁In ▁ 1 9 3 9 ▁Sie berg ▁published ▁the ▁first ▁earth qu ake ▁catalog ue ▁of ▁Germany ▁and ▁neighbour ing ▁areas . ▁ ▁References ▁ ▁Category : G erman ▁ge oph ys ic ists ▁Category : 1 8 7 5 ▁birth s ▁Category : 1 9 4 5 ▁death s ▁Category : R W TH ▁A achen ▁University ▁al umn i ▁Category : Univers ity ▁of ▁Str as bourg ▁al umn i ▁Category : Univers ity ▁of ▁Fre ib urg ▁al umn i ▁Category : Univers ity ▁of ▁J ena ▁al umn i ▁Category : Se ism olog ists ▁Category : Pe ople ▁from ▁A achen <0x0A> </s> ▁Sch ick endant z ▁is ▁a ▁German ▁surname . ▁Notable ▁people ▁with ▁the ▁surname ▁include : ▁ ▁Friedrich ▁Sch ick endant z ▁( 1 8 3 7 – 1 8 9 6 ), ▁German - Ar gent ine ▁scient ist ▁Gu ill ermo ▁Sch ick endant z , ▁Argent ine ▁field ▁hockey ▁player ▁ ▁See