here is link about the ( Móðurharðindin ) the mist hardship
in 1783 to 85 .... and it hat inpact on many countries over the
world ...similar things will happen now if the volcano Katla
vill http://en.wikipedia.org/wiki/M%C3%B3%C3%B0uhar%C3%B0indin

kv Skarpi