The 1980 eruption cycle made Mount St. Helens one of the most famous volcanoes in the Cascades. But it is far from the only ...

Halemaʻumaʻu eruption reaches new heights; HVO updates volcano alert notifications - Features | Hawaii Tribune-Herald ...

Coastal communities from northern California to British Columbia live atop the Cascadia Subduction Zone, which spans about ...

Unlike gradual climate-driven events, this potential earthquake would “happen within minutes, leaving no time for adaptation ...

The loss of intertidal wetlands directly impacts ecosystem services such as water filtration, habitat for fisheries and ...

Unlike gradual climate-driven events, this potential earthquake would “happen within minutes, leaving no time for adaptation ...

California has dozens of earthquakes every day. Most are below 3.0 magnitude, so small that they aren’t felt.

The next big earthquake: When is the Bay Area due? Watch: During earthquake, elephants form 'alert circle' at San Diego ...

Earthquake activity is now being reported in U.S. regions once considered geologically stable, prompting concern from ...

The U.S. Geological Survey recorded three earthquakes Monday just west of Interstate 5 near Mettler. The first earthquake was ...

Mount St. Helens erupted, killing dozens and forever changing how the US monitors earthquakes. The volcano is still active but not erupting.

A 3.3 magnitude earthquake southeast of Illinois’ state capital shook parts of the state overnight, the United States Geological Survey said. The 6-mile deep quake hit about 4 miles southwest of Lerna ...