"Worked well enough that there was no radiation release..."
***This is flatly untrue. The following top 3 hits out of 718 from Google for "radiation release" "three mile island" will serve as an example.
http://www.iicph.org/docs/tmi.htm
Rosalie Bertell on Three Mile Island
Dr. Rosalie Bertell's Signed, Notarized Statement
by Rosalie Bertell, Ph.D., GNSH
July 10, 1998
I feel that former President Jimmy Carter should come forth with all of the facts surrounding the Three Mile Island Accident, especially those which involved the radiation release and the dose to the public.
http://hyperphysics.phy-astr.gsu.edu/hbase/nucene/tmi.html
http://www.cnn.com/HEALTH/9702/24/nuclear.cancer/
(CNN) -- The amount of radiation released in the 1979 accident at Pennsylvania's Three Mile Island nuclear power plant and the cancer rates of residents living downwind may have been higher than previously thought, according to a study questioned by critics.
As you admitted, vis-a-vis volcanic vents, steam doesn't last long under 100's or 1000's of feet of cold water.
***But it would ablate and cause the radiation to migrate.
Huh? What's my motivation?
***Answer my questions and I'll try to answer yours.
What questions?
***This is flatly untrue. The following top 3 hits out of 718 from Google for "radiation release" "three mile island" will serve as an example.
I stand corrected, there was no significant radiation release.
***But it would ablate and cause the radiation to migrate.
Never said there would be no radiation released, said you'd be lucky to detect that which was released.