The 2020 United States Census begins, with Census Bureau director Steven Dillingham visiting Toksook Bay, Alaska to meet with indigenous leaders and distribute census materials to residents.
The Supreme Court of the United States, in an unsigned 6–3 decision, dismisses "Trump v. New York", ruling that the challenge to the Trump administration's memo requiring the Census Bureau to report the results of the 2020 United States census with the exclusion of undocumented immigrants for apportionment is premature, and that no judicial review can be taken until after the data has been collected. The Bureau faces a December 31 deadline to report the results, which they have previously indicated that they may miss.
The Trump administration is pushing ahead with plans to allow drilling in the Arctic National Wildlife Refuge. The first leases to drill for oil and gas could be sold by the end of 2020, and is backed by the Republicans and opposed by environmental groups and some members of Alaska's Indigenous communities.
A 7.9 magnitude earthquake occurs in the Gulf of Alaska. A tsunami warning is issued for coastal Alaska and British Columbia, and the entire U.S. West Coast is placed under a tsunami watch. Areas of Alaska remain under a tsunami advisory. It is tied as the sixth-largest earthquake ever recorded in the United States, but there are no reports of significant damage or fatalities.
An investigation by the United States Department of Transportation's Pipeline and Hazardous Materials Safety Administration finds that the natural gas leak occurring in Alaska's Cook Inlet began earlier than first reported, and represents significant safety and environmental risks. The agency gives pipeline operator Hilcorp Energy until May 1, 2017 to fix the leak, or shut the pipeline down.
Voters in the U.S. states of Alabama, Alaska, Arkansas, Colorado, Georgia, Massachusetts, Minnesota, Oklahoma, Tennessee, Texas, Vermont, Virginia, and the overseas territory of American Samoa go to the polls to vote on Super Tuesday.