HMS Erebus was a Hecla-class bomb vessel constructed in 1826 at Pembroke dockyard in Wales for the Royal Navy. Displacing approximately 372 tons, she was armed with two mortars—one 13-inch (330 mm) and one 10-inch (254 mm)—alongside ten guns. Originally designed for bombarding coastlines, she was later refitted as an exploration vessel, notably participating in the Ross expedition of 1839–1843 under Captain James Clark Ross. During this Antarctic expedition, Erebus served as the flagship, departing from Van Diemen's Land (present-day Tasmania) on November 21, 1840, alongside HMS Terror. Under Ross’s command, Erebus played a pivotal role in exploring Victoria Land, naming geographic features such as Mount Erebus on Ross Island and Mount Terror. The expedition also discovered the Ross Ice Shelf and conducted extensive scientific studies, including magnetism, oceanography, botany, and ornithology, with collected specimens and data contributing to scientific literature like *The Botany of the Antarctic Voyage* and *The Zoology of the Voyage*. In 1845, Erebus was repurposed for Arctic exploration, equipped with steam engines sourced from railway locomotives, rated at 25 horsepower and capable of 4 knots. She was part of Sir John Franklin’s ill-fated third Arctic expedition, aiming to chart the Northwest Passage. Erebus, commanded by Franklin, and Terror, under Francis Crozier, became icebound and were abandoned in 1848 with around 130 crew members, all of whom perished from a combination of hypothermia, scurvy, starvation, and possible cannibalism. The ships’ fate remained a mystery until 2014, when Erebus’s wreck was discovered by Parks Canada off King William Island, and further investigations revealed her deteriorating condition and artifacts. Today, HMS Erebus is recognized as a National Historic Site of Canada, with her wreck lying in Terror Bay. The vessel’s remains and artifacts offer invaluable insights into 19th-century exploration, maritime technology, and the tragic Franklin expedition, making her an iconic symbol of polar exploration history.

This description has been generated using GPT-4.1-NANO based on the Vessel's wikidata information and then modified by ShipIndex.org staff.