ATLANTIS

Legendary vanished island, swallowed by an earthquake (8)

Solution has appeared in 2 crosswords (0 across and 2 down):

• Quick crossword No 16,679 — 2023-10-19 23:00:00
  5D: Legendary submerged island (8)
• Quick crossword No 15,888 — 2021-04-08 23:00:26
  2D: Legendary vanished island, swallowed by an earthquake (8)