Find out which volcanoes in the US are the most active. This article gives clear information about their past eruptions and ...

Before a volcano erupts, rising magma squeezes out emissions of carbon dioxide visible from space, but trees might be a ...

Mega tsunamis are colossal waves triggered by geological events. Lituya Bay saw the tallest tsunami ever recorded. Hawaii ...

The league of experts and scientists who have spent decades keeping watch is being decimated by the Trump administration’s ...

Researchers found that a potential powerful earthquake combined with rising sea levels could lead to a mega tsunami.

The May 18, 1980, eruption of Mount St. Helens in southern Washington claimed 57 lives and blasted the terrain of old-growth ...

The Axial Seamount is located 300 miles off of the coast of Oregon. Researchers say it’s following patterns shown before its last eruption.

With a possible eruption looming, the Alaska Observatory is closely watching Mount Spurr. Your Alaska Link shows how one ...

A major U.S. city is under threat from a potential volcanic eruption after more than 20 earthquakes were recorded in Alaska.

TimesMachine is an exclusive benefit for home delivery and digital subscribers. About the Archive This is a digitized version of an article from The Times’s print archive, before the start of ...

Over the Sierra crest — about 150 miles to the east of Manteca, Oakdale, and Turlock — is one of the world’s largest active ...

For the last year ... If an eruption happens, it would likely occur at Crater Peak, shown in the background of this summit photograph. Over the past 12 months, an Alaskan volcano named Mount ...