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Submarine images have revealed that the Fukushima quake opened up cracks in the ocean floor as big as 6 feet wide. What effect this may have on future quakes in the area is unknown.

Coincidentally, shortly before the quake, researchers had taken photos of the same area of the seafloor where the crust would later rupture, leading to a tsunami that killed about 20,000 people. This meant that the seabed changes could be documented.

On the MSNBC website, Stephanie Pappas quotes seismologist Takeshi Tsuji as saying that his team of researchers saw open fissures in "many places," but how these cracks may effect future earthquakes along the same fault lines is unknown.
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Milk in San Francisco is being tested at radiation levels that are double the maximum amount allowed by the EPA, apparently as a result of radioactive cesium reaching California from the Fukushima disaster.

According to Energy News, three recent milk test results on cartons of milk with "best by" dates of 3/12, 4/9, and 4/16 were shown to have amounts are so small that it would require drinking over tens of thousands of liters of milk to receive the small dose that one receives from a cross-country airplane flight. These isotopes can still be detected in milk because they have long half-lives (2 years and 30 years, respectively) and therefore trace amounts will remain in the grass and hay that the cows feed on.
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Despite Fukushima, nuclear energy is probably here to stay. Can we make it safer by changing to a new fuel? It turns out there could be an entirely new type of nuclear reactor, that could not only be operated safely without generating long-lived radioactive waste, it could even consume the toxic waste generated by conventional nuclear reactors.
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