On the morning of May 21, 2026, Shiveluch volcano punched a fresh column of ash into the skies above Russia’s Kamchatka Peninsula, continuing a months-long stretch of unrest at one of the most active ...

AS the Department of Science and Technology-Philippine Institute of Volcanology and Seismology (DOST-Phivolcs) assesses a possible extension of the permanent danger zone around Mayon Volcano, where ...

Costa Rica’s National Emergency Commission declared a green alert for Poás Volcano National Park after a recent increase in eruptive activity, while clarifying that the measure does not close the park ...

Volcanic eruptions influence climate through the injection of sulphur dioxide, ash and other aerosols into the troposphere and stratosphere. These particles reflect incoming solar radiation, leading ...

The USGS Hawaiian Volcano Observatory detected an increase in shallow seismicity and localized ground deformation beneath the south rim of Halema‘uma‘u crater, in Kilauea summit’s south caldera region ...

Either way, it's most likely the site of the most recent activity on CT1, and therefore holds the most promise of finding something protected from the surface up until recently. The hopper itself is ...

Beneath our seemingly stable planet lies a restless force capable of altering civilizations in moments. While many natural disasters give some warning, volcanoes can awaken from centuries of slumber ...

“Volcano Watch” is a weekly article and activity update written by US Geological Survey Hawaiian Volcano Observatory scientists and affiliates. North vent lava fountain during Kīlauea summit eruption ...

Most Californians think of beaches and redwoods when they picture their state’s natural wonders, completely unaware that we have a hikeable active volcano right in our backyard. The Lassen Peak Trail ...

The explosion was so significant that tephra, a general term for fragments of volcanic rock, was reported falling across the park and in nearby communities. Some of the tephra measured up to five ...