- Three Mile Island is the site of a nuclear power plant in Pennsylvania which experienced the worst commercial nuclear accident in U.S. history in 1979.www.history.com/topics/1970s/three-mile-island
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See all on WikipediaThree Mile Island accident - Wikipedia
The Three Mile Island accident was a partial nuclear meltdown of the Unit 2 reactor (TMI-2) of the Three Mile Island Nuclear Generating Station. It happened on the Susquehanna River in Londonderry Township, near Harrisburg, Pennsylvania. The reactor accident began at 4:00 a.m. on March 28, 1979, and … See more
Background
In the night hours before the incident, the TMI-2 reactor was running at 97% power while the companion TMI-1 reactor was shut down for refueling. The main chain of events leading to … See moreVoluntary evacuation
On Wednesday, March 28, hours after the accident began, Lieutenant Governor Scranton appeared at a news briefing to say that Met Ed had … See moreOn March 15, 1979, twelve days before the accident, the movie The China Syndrome premiered and was initially met with backlash from … See more
At 6:56 a.m. a plant supervisor declared a site area emergency, and less than 30 minutes later station manager Gary Miller announced a general … See more
Several state and federal government agencies mounted investigations into the crisis, the most prominent of which was the President's Commission on the Accident at Three Mile Island, created by U.S. President Jimmy Carter in April 1979. The commission … See more
After the incident at TMI-2, the NRC suspended the license to operate TMI-1, which was owned and operated by Met Ed, one of General Public Utilities Corporation's … See more
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Mar 28, 2024 · The Three Mile Island Unit 2 reactor, near Middletown, Pa., partially melted down on March 28, 1979. This was the most serious accident in U.S. commercial nuclear power plant operating history, although its small …
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Three Mile Island ‑ Accident, Nuclear & Meltdown - HISTORY
- The Three Mile Island incident helped to galvanize the anti-nuclear movement in the United States. The anti-nuclear movement emerged as a social movement against the global nuclear arms race in the early 1960s at the height of the Cold War. High profile protests in response to the events at Three Mile Island took place around the country, including...
- Last updated: Mar 28, 1979
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Three Mile Island accident | 1979, Pennsylvania, US
Jan 24, 2025 · Three Mile Island accident, accident in 1979 at the Three Mile Island nuclear power station that was the most serious in the history of the American nuclear power industry. The Three Mile Island power station was …
5 Facts to Know About Three Mile Island | Department of Energy
- No injuries, deaths or direct health effects were caused by the accident. Following the event, …
- Unit 2 experienced equipment and instrumentation malfunctions. On March 28, 1979, …
- No adverse effects to the surrounding environment. Months after the incident, concerns …
- NRC Implemented Enhanced Safety & Training. Thorough analysis of the accident’s events …
- Three Mile Island’s Unit 1 continued operation until 2019. Three Mile Island had two nuclear …
Three Mile Island accident - Simple English Wikipedia, the free ...
The Three Mile Island accident occurred on March 28, 1979 at the Three Mile Island Nuclear Power Plant in Pennsylvania. It was "the single most important event in the fifty-year history of …
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What happened at Three Mile Island? Answer: A series of apparent errors and equipment malfunctions, coupled with some questionable instrument readings, resulted in loss of reactor …
Lessons From the 1979 Accident at Three Mile Island
The accident at Three Mile Island 2 (TMI 2) in 1979 was caused by a combination of equipment failure and the inability of plant operators to understand the reactor’s condition at certain times during the event.
Frequently Asked Questions - Three Mile Island Accident - March …
Jul 11, 2012 · How many people died and how many people are likely to develop cancer as a result of the accident at Three Mile Island? No one died as a result of the TMI-2 accident. The …
The Three Mile Island Unit 2 reactor, near Middletown, Pa., partially melted down on March 28, 1979. This was the most serious accident in U.S. commercial nuclear power plant operating …
