But more the question is what. If it's cesium-137 we're talking about, yeah -- that 30-year half life is a concern. The rest of the radioactive byproducts aren't so much of a concern for either strength dissipation over distance or half-life that's only a day or so.
Throw in parts of Indiana and we can take down everyone off DST.
Err, they've been having 6.0+ magnitude aftershocks about every 1-12 hours since then.

Err, they've been having 6.0+ magnitude aftershocks about every 1-12 hours since then.
FUN FACT, it takes 200 years for cesium to drop to 1 percent.
