Alaska's Iliamna volcano last erupted in 1867, but its slopes often trigger seismic spikes due to falling rock and glacial ...

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This Alaska volcano might erupt soon. Here's the chaos it could cause. An explosion on Mount Spurr could generate massive cloud of ash, which could mess with airplanes and cause issues for humans.

A NASA-operated satellite recently captured an image of Iliamna Volcano, a glacier-covered volcano located in southwest ...

Extreme storm chaser Aaron Jayjack joins the AccuWeather Network to share his most recent storm chasing experience, capturing ...

When volcanoes are preparing to erupt, ... More information: Stealthy magma system behavior at Veniaminof Volcano, Alaska, Frontiers in Earth Science (2025). DOI: 10.3389/feart.2025.1535083.

An increase in seismicity—marked by frequent tremors—was observed recently at Alaska's Iliamna Volcano, which last erupted in ...

Some volcanoes erupt with little to no warning, posing serious risks to nearby communities and air traffic. A study of Alaska's Veniaminof volcano reveals how specific internal conditions like ...

The 1912 eruption of Novarupta (Katmai) Volcano in Alaska was even larger, but no humans were killed or homes destroyed because of its remoteness. Is a volcanic eruption possible in New England?

The United States leads the world with 165 Holocene volcanoes, mostly in Alaska, Hawaii, and the Pacific Northwest. Active locations such as Mauna Loa, Kilauea, and Mount St. Helens indicate the ...

Monitoring and forecasting the movement of volcanic clouds is key to mitigating the impacts on communities, infrastructure, and air traffic.

A five-day trek through Colorado's San Juan Mountain range includes alpine lakes, fields of wildflowers, and cozy huts.