The Aporia · Hawaii sea arch collapses into Pacific Ocean after storms batter island state

The Holei Sea Arch, a scenic cliff formation in Hawaii Volcanoes National Park on the Big Island, collapsed sometime between September 23 and 27, likely due to Tropical Storm Nolo passing through the area. The arch, standing about 90 feet high before its collapse, was already unstable and known for its temporary nature; it had existed for approximately 550 years. Park officials warn visitors to stay away from the collapsed site due to safety concerns.

Written by AI on 2026-10-03, from this article's own text only (the story summary below draws on all the coverage).

Story summary

The Hōlei Sea Arch, a 550-year-old lava rock formation standing at approximately 90 feet tall in Hawaii Volcanoes National Park on the Big Island, collapsed into the Pacific Ocean sometime between September 23 and September 27, likely during Tropical Storm Nolo. The arch was still visible as of September 23 but had disappeared by September 27 when the park reopened. This collapse marks a significant loss to the region's natural wonders and tourist attractions, with thousands of people expressing grief on social media platforms like Facebook and Google Maps marking it as "permanently closed." Despite its beauty, experts warned that the arch's instability was anticipated due to ongoing erosion from waves and earthquakes caused by the 2018 Kīlauea volcano eruption. The National Park Service has issued warnings about unstable cliffs near the former site of the sea arch, urging visitors to stay back for safety reasons.

Written for “Holei Sea Arch Collapse” on 2026-11-03, grounded in this article and the 7 other(s) covering the same event.

📰 Holei Sea Arch Collapse

Environment · 8 article(s) covering the same event. Compare every outlet's account →

This article reads unscored and hedges 9% of its claims. Each row says how that neighbour differs.

A famed Hawaii sea arch collapses, prompting NPS warnings of unstable cliffs Same event

Toronto Star

Hedges 1 of 2 claims Outlet record 64/100

Hawaii’s centuries-old sea arch collapses into Pacific after series of rough storms Same event

The Guardian

Hedges 0 of 16 claims Outlet record 66/100

Hawaii’s picturesque Hōlei Sea Arch collapses into the ocean Same event

NBC News

Hedges 2 of 12 claims Outlet record 60/100

Hawaii's famed Hōlei Sea Arch landmark collapses into ocean after 500 years Same event

Daily Mail

Hedges 2 of 21 claims Outlet record 69/100

The Holei Sea Arch, a centuries-old Hawaii wonder, crumbles into the Pacific Same event

The Straits Times

Hedges 3 of 17 claims Outlet record 66/100

Hawaii's iconic 550-year-old Hōlei Sea Arch collapses Same event

BBC News

Hedges 0 of 15 claims Outlet record 68/100

Famed Hawaii tourist attraction collapses into the sea amid unstable cliff warning Same event

The Independent

Hedges 2 of 16 claims Outlet record 59/100

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"Photos on social media show people entering the closed area near where the sea arch once stood, putting themselves and first responders at great risk of falling and drowning," the NPS said.

framing: assertive · carried by 1 article(s) · first seen 2026-10-03

🔮 The Holei Sea Arch, located in the Hawaii Volcanoes National Park, was about 90 feet high before it collapsed sometime between Sept. 23 and Sept. 27, possibly when the park was temporarily closed during ."The exact time of the collapse is unknown and could have occurred when the park was temporarily closed during Tropical Storm Nolo," said the Hawai'i Volcanoes National Park in a social media post. Nolo — which — moved past Hawaii's Big Island and brought heavy rain and winds to the state last week.

2026-10-03 · CBS News

Hawaii sea arch collapses into Pacific Ocean after storms batter island state · assertive framing

A scenic cliff on the wave-swept coast of Hawaii's Big Island has collapsed, the National Park Service said. asserted

Service → sweep → Island

The Holei Sea Arch, located in the Hawaii Volcanoes National Park, was about 90 feet high before it collapsed sometime between Sept. 23 and Sept. 27, possibly when the park was temporarily closed during ."The exact time of the collapse is unknown and could have occurred when the park was temporarily closed during Tropical Storm Nolo," said the Hawai'i Volcanoes National Park in a social media post. Nolo — which — moved past Hawaii's Big Island and brought heavy rain and winds to the state last week. uncertain

Nolo → locate → state

Hawaii Gov. Josh Green said the Trump administration approved an emergency declaration for Hawaii that will provide federal resources and assistance to the state in its recovery from Nolo. asserted

that → say → Nolo

In August, Hawaii was battered by Tropical Storm Lala, which , triggered landslides and caused widespread power outages as it brushed past Hawaii. asserted

it → batter → Hawaii

The arch's collapse into the Pacific Ocean was not unexpected, however, it marks "the latest transformation of the park's remote and rugged coastline," the NPS said in a Facebook post. asserted

NPS → mark → post

"This formation is beautiful, but temporary, and has a limited life span," NPS said. asserted

NPS → have → span

People reacting to the post called it a sign of nature taking its course. asserted

nature → react → course

Officials at the park service warned visitors to stay away from the site since it is unstable and presents a serious falling hazard. asserted

it → warn → hazard

"Photos on social media show people entering the closed area near where the sea arch once stood, putting themselves and first responders at great risk of falling and drowning," the NPS said. asserted

NPS → show → risk

The popular tourist site was formed about 550 years ago. asserted

site → form → ?

The name Holei comes from a small endemic plant in the milkweed family. asserted

Holei → come → family

Hawaii sea arch collapses into Pacific Ocean after storms batter island state

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