Magma found beneath volcano-less country | Geophysical Institute
Jan 25, 2024 · “Sometimes it’s due to magma. This one is beneath the Buzzard Creek maars.” The Buzzard Creek maars are two vegetated craters northeast of Healy. They formed when molten rock …
Espenberg Maars | Geophysical Institute
These maars were created on the low plain between Shishmaref and Cape Espenberg at the northeast tip of the Seward Peninsula, just across the sound from Kotzebue.
Maar Formation | Geophysical Institute
Nov 6, 2025 · At first it was not obvious whether the new activity was the beginning of a volcano or a transient breaching of the surface that would eventually lead to the formation of water-filled pits …
The Mystery of the Denali Gap | Geophysical Institute
Feb 9, 2000 · Called maars, the craters are smallish volcanoes that form when molten rock reaches up from within the ground and detonates as it reaches the water table. The craters near Buzzard Creek …
The continued mystery of the Denali Gap | Geophysical Institute
Feb 5, 2015 · Rocks at the Buzzard Creek maars have the same chemical signature of Aleutian volcanoes. As he looked back at more than a decade of Denali station data, Holtkamp found 200 …
Volcanoes, permafrost, earthquakes shape Alaska
Jan 12, 2006 · The result was one of about a dozen maars in Alaska, and the largest known maar crater in the world. Volcanoes’ interaction with permafrost results in one unusual Alaska landform, and …