A recent study reveals that the Poás volcano has changed its eruption pattern, redefining the global ash-related risk map.

The eruptions at Kilauea prompted closures at a national park and part of a highway because of falling glassy volcanic ...

Geochemical analysis of erupted tephra samples over the past decade help scientists understand the temperature of Kilauea’s shallow magma system under the summit — and things have been “heating up!” ...

Understanding what triggers large volcanic eruptions is crucial for hazard assessment, but the exact mechanism driving these ...

Volcano Watch is a weekly article and activity update written by US Geological Survey Hawaiian Volcano Observatory scientists and affiliates. This photo shows the gap between the south (left) and ...

The sudden awakening of a volcano that had been quiet for roughly 12,000 years has transformed a remote corner of Ethiopia into a global focal point, as a towering ash plume shot into the sky like an ...

Kilauea, one of Hawaii’s most active volcanoes, just erupted, sending lava over 1,000 feet into the air and visitors to the state’s most famous national park scrambling for cover. The 4,000-foot ...

The Black Death — one of the deadliest pandemics in human history, estimated to have killed up to half of Europe’s population — might have been set in motion by a volcanic eruption, a new study ...

A new detection method called “Jerk” could dramatically improve how scientists forecast volcanic eruptions. By using a single broadband seismometer, the system can detect extremely subtle ground ...