The mosaics, featuring intricate geometric patterns and vibrant colours, are remarkably well-preserved. The find is considered part of a larger Roman villa or public building lost to the sea between the third and fifth centuries as underground magma chambers caused the surrounding terrain to fall.
During ten days of fieldwork in 2022 and 2023, researchers caught ten sharks from the broadnose sevengill and the endangered soupfin species.
The Salish Sea separates northwest Washington from British Columbia's Vancouver Island. The 6,500-square-mile body of water stretches into Washington as Puget Sound, and the sharks were caught close to Olympia near the sound's southernmost point.
The Conception was anchored off Santa Cruz Island, south of Santa Barbara, when it caught fire before dawn on the final day of a three-day excursion. It sank less than 30 metres (100 feet) from shore. Thirty-four people were killed in the fire.
The Arcadian, built initially as the RMS Ortona in 1899 and later converted into a troopship during World War I, was en route from Salonika to Alexandria, transporting soldiers and medical personnel, when it was attacked on 15 April, 1917 and sunk by the German U-boat SM UC-74, resulting in the tragic loss of 279 lives.
The Arcadian had just completed a boat drill when a single torpedo hit it between the bridge and the foremast and sank within six minutes. 1,058 people were rescued
