Question

an undersea earthquake cause this disaster

Answer 1

TSUNAMI is an disaster caused by undersea earthquake.

Answer 2

Tsunami is an undersea earthquake causes this disaster because the 2004 Indian Ocean earthquake occurred at 00:58:53 UTC on 26 December with an epicentre off the west coast of Sumatra, Indonesia. The event is known by the scientific community as the Sumatra–Andaman earthquake.[6][7] The resulting tsunami was given various names, including the 2004 Indian Ocean tsunami, South Asian tsunami, Indonesian tsunami, the Christmas tsunamiand the Boxing Day tsunami.