Three 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, located on the Susquehanna River in Londonderry …
Three Mile Island accident | 1979, Pennsylvania, US | Britannica
Dec 2, 2025 · The accident at Three Mile Island, though minuscule in its health consequences, had widespread and profound effects on the American nuclear power industry. It resulted in the …
Three Mile Island Map - Dauphin County, Pennsylvania, USA
Three Mile Island Nuclear Generating Station, is a shut-down nuclear power plant on Three Mile Island in Pennsylvania, US, on the Susquehanna River just south of Harrisburg.
Three Mile Island - Accident, Nuclear & Meltdown | HISTORY
Dec 18, 2009 · Construction of the Three Mile Island nuclear plant began in 1968, in Londonderry Township, Pennsylvania, on a small island in the Susquehanna River just south of the state capital in...
Backgrounder on the Three Mile Island Accident - NRC
Oct 2, 2025 · 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 …
5 Facts to Know About Three Mile Island - Department of Energy
May 4, 2022 · 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 …
The little Pennsylvania island that almost became America’s …
Jul 10, 2025 · Three Mile Island sits on the Susquehanna River near Harrisburg, Pennsylvania. On March 28, 1979, at 4:00 a.m., Unit 2 reactor was running at nearly full power when equipment began …
Three Mile Island Accident - World Nuclear Association
Oct 11, 2022 · The Three Mile Island accident caused concerns about the possibility of radiation-induced health effects, principally cancer, in the area surrounding the plant.
Three Mile Island nuclear accident: Here’s how it unfolded in 1979
Mar 27, 2025 · An air view shows the Three Mile Island nuclear power plant near Harrisburg, Pa., March 30, 1979. The small dome at center is where the "incident" occurred.
Three Mile Island, site of 1979 nuclear reactor accident, reopening to ...
Sep 20, 2024 · Three Mile Island, located on the Susquehanna River near Harrisburg, Pennsylvania, was shuttered in 2019 for economic reasons, according to Constellation Energy.