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Hawaii's 550-Year-Old Hōlei Sea Arch Vanishes After Storm
The Hōlei Sea Arch, a 90-foot natural landmark in Hawai'i Volcanoes National Park, collapsed into the Pacific Ocean between September 23 and 27, 2026. The structure, which had stood for approximately 550 years, disappeared during a park closure caused by Tropical Storm Nolo. Officials attribute the loss to long-term differential erosion, noting that such coastal changes are expected but unpredictable.