Hawaii’s 550-Year-Old Hōlei Sea Arch Collapses Into the Pacific: Why This Natural Landmark Was Never Meant to Last

Hawaii’s 550-Year-Old Hōlei Sea Arch Collapses Into the Pacific: What Happened and Why It Matters

Hōlei Sea Arch before and after its collapse into the Pacific Ocean in September 2026. USGS via AP. A landmark that had stood on Hawaii’s rugged southern coastline for roughly 550 years is gone. …

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