<classify> Awukho umonakalo omkhulu noma ukulimala okubikiwe eTonga, kodwa ugesi ubungekho okwesikhashana, lokho okubikwa ukuthi kuvimebele iziphathimandla zaseTonga ekutholeni isexwayiso setsunami esikhishwe iPTWC.  <topic>: Disasters and accidents 