April 5

Upper Big Branch Mine Disaster 2010

Upper Big Branch Mine Disaster

On April 5, 2010, a massive explosion ripped through the Upper Big Branch coal mine in Montcoal, West Virginia, killing 29 miners. The deadliest U.S. mine accident in decades, it exposed deep failings in mine safety practices and corporate responsibility, ultimately transforming regulation and accountability in the coal industry. Read more


1971 Merpati Nusantara Airlines Vickers Viscount crash 1971

1971 Merpati Nusantara Airlines Vickers Viscount crash

On April 5, 1971, a Merpati Nusantara Airlines Vickers Viscount on approach to Tabing Airport near Padang, West Sumatra, descended below safe minima in poor weather and struck terrain short of the runway. All aboard were killed; the accident was later attributed to controlled flight into terrain amid limited ground-based navigational aids and deteriorated visibility. Read more


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Explore more events in April

The 2009 L’Aquila Earthquake Apr 6

The 2009 L’Aquila Earthquake

In the early hours of April 6, 2009, a magnitude 6.3 earthquake struck L’Aquila and the surrounding Abruzzo region of central Italy. The disaster killed 309 people, injured over 1,600, and left more than 65,000 people homeless, shattering historic communities and prompting national soul-searching about risk, responsibility, and resilience.

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Willow Island Disaster Apr 27

Willow Island Disaster

On April 27, 1978, a massive scaffold collapse at the Pleasants Power Station in Willow Island, West Virginia, killed 51 construction workers, making it the deadliest construction accident in U.S. history at the time. The tragedy exposed critical flaws in safety oversight, changed construction practices, and left a lasting mark on both regulatory policy and local communities.

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The Boston Marathon Bombing Apr 15

The Boston Marathon Bombing

A tragic bombing attack at the 2013 Boston Marathon resulting in deaths, injuries, and major security changes.

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