Two members of Congress whose districts straddle Mount Adams have written a letter urging the U.S. Geological Survey (USGS) to enhance seismic monitoring of volcanoes across the country. The letter, ...

Lassen Volcanic National Park is part of the larger volcanic arc of the Cascade Range. As it is also part of the much larger ...

Though the volcano is part of a cluster of volcanoes known as the North American Cascade Arc, it doesn't sit atop a magma chamber. Follow TI: On Facebook More from Science Scientists are baffled ...

A 2,500 km long line of volcanoes, with 80 volcanic mountains and 41 historically active (since 1760 AD) volcanoes produce an arc stretching along the southern edge of the Bering Sea and onto the ...

The U.S. Geological Survey considers it a “high threat” volcano, but that’s a step below its “very high threat” neighbors, including all of those above. Earthquakes are normally detected ...

Lucky for you, the PNW is covered in ‘em. The Cascade Volcanic Arc starts north of the border in British Columbia, and extends down into Northern California, where a summertime snow sniffer ...

Iezzi is a research geophysicist with the US Geological Survey’s Cascade Volcano Observatory. Diana Opong is a general assignment reporter at KUOW, committed to illuminating impactful stories ...

But both the Cascade Volcano Observatory and the Pacific Northwest Seismic Network plan to install temporary seismic stations in the Mount Adams area, which will allow detection of smaller ...

Mount Redoubt, also in Alaska's Aleutian island chain, was placed on watch for aviation purposes as recently as 2010. It last erupted in 2009, shutting down the Ted Stevens International Airport ...

That’s about when the Beemerville Volcano erupted in Wantage, give or take six million years, according to geologists. So much about New Jersey is familiar — the Jersey Shore, traffic jug ...

Charlotte Lytton and Matthew Abbott traveled to Tonga to report this story. All photographs were made in May 2023. Sept. 1 at 6:00 a.m. Warning: This graphic requires ...