Earthquakes have a well-known and easily recognizable connection to volcanoes. The sudden onset of ground shaking can indicate near-term or imminent volcanic activity. Volcanic tremors, however, are difficult to detect. These are semi-continuous seismic or acoustic signals, or both, that continue for just a few seconds or persist for a year or more. They, like earthquakes, carry […]
New chapters in 2023 Arctic Report Card show the promise of Indigenous knowledge to strengthen resilience NOAA’s 2023 Arctic Report Card documents new records showing that human-caused warming of the air, ocean and land is affecting people, ecosystems and communities across the Arctic region, which is heating up faster than any other part of the world. […]
As an instructor for Osher Lifelong Learning Institute, I have stood before a group of Alaskans every Tuesday night this November. During the most recent class session of Ned Rozell’s Alaska I asked 17 people what changes they have noticed in this giant peninsula during their time here. These are long-haul Alaskans: Class members have […]
The second NASA sounding rocket of the season headed into Earth’s upper atmosphere from Poker Flat Research Range shortly after midnight Thursday, carrying a payload of science instruments. It was the second launch in two nights at the rocket range, owned by the University of Alaska Fairbanks Geophysical Institute and operated under a contract with NASA’s Wallops Flight […]