News

In the early days of volcanology in California, scientists were still working out the timelines of recent volcanic activity. Without today's...

Have you ever played a game of Telephone? If so, you know the message that you start with might not always be what you hear in the end. News coverage...

All's quiet on the volcano front in California for the New Year. But what does it mean when we say a volcano is 'quiet' or at 'background levels of...

Though volcanoes like Mount Shasta or Lassen Peak may dominate their skylines, California also has shield volcanoes, named because their shape is...

Before there was a California Volcano Observatory or even a Long Valley Observatory, a tiny cabin in northern California housed the first full-time...

Talking about calderas means venturing into superlatives - huge volumes of magma and topographic changes on a regional, even state-sized scale. But...

If you ever have the chance to visit the silica-rich Hot Creek rhyolite lava flow in the Long Valley Caldera, you might get the sense that you're...

If you were visiting Long Valley this past week, you might have seen a cavalcade of SUVs periodically disgorging people wielding rock hammers, hand...

As CalVO moves from its Menlo Park location to its new home at Moffett Field, scientists have the monumental task of deciding what to preserve and...

If you've been following the latest geological news, you'll have noticed the brand new eruption on Iceland's Reykjanes Peninsula. It's a classic...