A research vessel, Norseman II, was trapped in unusually dense sea ice for 14 days off the Seward Peninsula coast during a Pacific walrus study, but is now en route to Nome for repairs.
Floodwaters in Tomsk region threatens to submerge the river banks in Seversk where highly radioactive liquid waste from the Soviet Union's nuclear weapons program for decades were injected into two unprotected underground reservoirs.
The isotope measured in air in Tromsø for now is unknown. The isotope comes from a nuclear reactor, and is used in medial diagnostic.
A city building in Little Diomede, Alaska, slid off its foundation, threatening the structural integrity of adjacent buildings and critical services, with the community seeking immediate assistance.
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