NORTH SLOPE, Alaska — “Chick chick whirrr, chick whirrr.” Although it was a recorded birdsong that chattered through each of the poplar stands we entered, I still occasionally caught myself believing we were hearing the real thing — the call of the gray-headed chickadee, last heard in Alaska in 2018. Tom Glass, a postdoctoral researcher […]
A proposed earthquake early warning system could have provided several communities an alert of 10 seconds or more ahead of strong shaking from the magnitude 7.3 quake that occurred south of Sand Point near the tip of the Alaska Peninsula in mid-July. That analysis is provided by Alex Fozkos of the Alaska Earthquake Center’s systems team at the […]
The recent landslide-generated tsunami in Tracy Arm of Southeast Alaska recalls the granddaddy of them all: the giant wave that scarred Lituya Bay in 1958. Lituya Bay, on the Pacific coast about 100 miles southeast of Yakutat and 40 miles west of Glacier Bay, is the site of the largest splash wave ever recorded. In […]
[content id=”79272″] Atmospheric waves from a massive 2022 South Pacific volcanic eruption created seismic waves that penetrated Earth to at least 5 kilometers in Alaska, creating an opportunity to employ an unusual method of peering into the state’s deep subsurface. Ken Macpherson, a scientist at the University of Alaska Fairbanks Geophysical Institute, and other […]