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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 on the Susquehanna River in Londonderry Township, near Harrisburg, Pennsylvania.
Dec 18, 2009 · Three Mile Island Accident. In the early morning hours of March 28, 1979, a mechanical or electric failure set off an unlikely series of events that led to a partial meltdown at the Unit 2...
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 named after the island on which it was situated in the Susquehanna River near.
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 radioactive releases had no detectable health effects on plant workers or the public.
Nov 24, 2009 · The worst accident in the history of the U.S. nuclear power industry begins when a pressure valve in the Unit‑2 reactor at Three Mile Island fails to close.
May 4, 2022 · The most serious accident in U.S. commercial nuclear power plant operating history occurred at the Three Mile Island nuclear station in Pennsylvania. A combination of equipment failure and operator error led to the partial meltdown of the power plant’s Unit 2 reactor that resulted in the release of a small amount of radioactive material.
Mar 28, 2019 · On March 28, 1979, Three Mile Island's Unit 2 reactor suffered a partial meltdown after a pump stopped sending water to the steam generators that removed heat from the reactor core. The...
America’s worst accident at a civilian nuclear power plant occurred on March 28, 1979. Unbeknown to anyone, half the fuel melted in one of two nuclear reactors on Three Mile Island near Harrisburg, Pa. Large quantities of radioactivity leaked from the reactor, but most of it was contained.
Three Mile Island: The Inside Story. Five hours in which the unthinkable happened. Wednesday, March 28, 1979, 4:00 a.m. to 9:00 a.m. Figure 3.1. The accident at TMI-2, as summarized in a schematic drawing by Randy Yeip for the Harrisburg Patriot-News. Learn more.
America’s worst accident at a civilian nuclear power plant occurred on March 28, 1979. This Web site guides you through the Three Mile Island nuclear power plant, the accident, and its aftermath. Visit the exhibition website
