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.

2024年3月28日 · 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.

2009年12月18日 · Three Mile Island is the site of a nuclear power plant in south central Pennsylvania. In March 1979, a series of mechanical and human errors at the plant caused the...

2025年1月24日 · 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 Harrisburg , Pa .

Here are 5 facts you should know about the accident at Three Mile Island. 1. No injuries, deaths or direct health effects were caused by the accident.

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 nuclear power regulation in the United States".

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 coolant, overheating of the core, damage to the fuel but probably no melting, and limited releases outside the plant of radioactive noble gases and iodine. 2.

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.

2012年7月11日 · 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 accident caused concerns about the possibility of radiation-induced health effects, principally cancer, in the area surrounding the plant.

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 …