It has been in a lethargic state for 4,800 years and new data is helping geologists to better assess possible eruptions ...

Long-quiet volcanoes in the Cascades region of the Pacific Northwest are still underpinned by large reservoirs of magma, new ...

Scientists studying the volcanic landscape of the Cascade Range found that an aquifer has nearly three times as much water as ...

Extra clouds will slide in on Tuesday, keeping temperatures slightly cooler in the lower 50s along the Front Range in the ...

Below Mount Jefferson and McKenzie Pass is a massive storehouse of water three times the size of Lake Mead, say Oregon ...

For decades, scientists believed that magma chambers beneath volcanoes were transient, forming before an eruption and then dissipating as the volcano quieted. However, new research suggests that large ...

A new study has found surprising evidence of large bodies of magma lurking beneath long-dormant volcanoes in the Cascade ...

Cornell University scientists studying six North American volcanoes within the Cascade Range found something totally unexpected underneath.

Although less well-known that other volcanic giants of the Cascades (particularly Mount St. Helens), this underwater volcano ...

A groundbreaking study has revealed that massive magma reservoirs still exist beneath dormant volcanoes, challenging ...

Around 900 years ago, a volcano – which has come to be called Sunset Crater – erupted and transformed the encircling area. Geologic features like cinders, lava rock and lava flow compose this ...

Sitting at more than 4,800 feet – the highest point in the Lesser Antilles – La Soufriere Volcano is often referred to as "la vieille dame" (the old lady) by locals. This active volcano (the ...