Scientists have discovered how two active volcanoes reacted following a massive earthquake - and what their unexpected silence revealed.

Volcano Watch” is a weekly article and activity update written by US Geological Survey Hawaiian Volcano Observatory scientists and affiliates. 6.0 Earthquake on Hawaiʻi Island (5.22.26) PC: USGS More ...

Mount Bulusan, one of the most frequently active volcanoes in the Philippines, has produced 442 volcanic earthquakes in ...

In the three years since, HVO and the USGS earthquake hazards program continue to actively assess the region for local volcanic and earthquake activity. All volcanoes in American Samoa are currently ...

Japan is stepping up its volcano research that trails far behind its advanced studies on earthquakes despite being home to ...

Scientists are deploying monitors at the volcanic Mount Adams in Washington State, after a spike in seismic activity. The U.S. Geological Survey (USGS) said Mount Adams typically experiences an ...

Taal Volcano recorded a significant increase in volcanic earthquakes and tremor episodes over the past 24 hours, according to the Philippine Institute of Volcanology and Seismology (Phivolcs) on Tuesd ...

A scalding-hot pool of mineral water is shown at the Long Valley Caldera in 2019 near Mammoth Lakes. (George Rose / Getty Images) One of California's riskiest volcanoes has for decades been undergoing ...

Dominant northeast trade winds during most of the fountaining episodes carried the hazardous eruption plumes to the southwest ...

The ground beneath Mount Bulusan has not stopped shaking. Over a single week in May 2026, the Philippine Institute of ...