Visual observations have been a backbone of volcano research more than 2,000 years and remain fundamental to understanding ...

Many Hawaiʻi Island communities downwind from the eruptive vents in the southwest portion of Halemaʻumaʻu Crater inside the summit caldera of Kīlauea have been affected by tephra fall since the ...

The Kanlaon Volcano on the island of Negros in the Philippines, erupted on Thursday, sending plumes of ash into the air.

Most webcams used by the USGS Hawaiian Volcano Observatory take a snapshot every few minutes to conserve bandwidth, but three webcams are currently “livestreaming” — meaning they transmit real-time ...

Kilauea has been erupting episodically within the summit caldera since Dec. 23, 2024. Its USGS Volcano Alert level is WATCH.

WATCH: Mt. Kanlaon Eruption Sends Massive Plumes of Smoke and Ash Across the Philippines ...

Hot lava was caught on camera shooting more than 1,000 feet into the air.

Hawaii's Kilauea volcano is once again shooting lava more than 1,000 feet into the air. Episode 36 of the current series of eruptions at Kilauea, located on Hawaii's Big Island, began on Sunday ...

In volcanoes, fluid inclusions are dominantly composed of CO 2. At magmatic temperatures (1200˚ C or 2192˚ F), the density of the CO 2 strongly depends on pressure, which is influenced by the depth of ...

Kīlauea volcano in Hawaiʻi Island erupted dramatically, sending lava fountains reaching 1,300 feet high. This event marked ...

Timelapse footage shows Kanlaon Volcano erupting in the Philippines, generating a dark gray ash plumes that rose more than 6,500 feet above the crater.

When referred to as a gas, it means a volatile has transitioned into the vapor phase. The most common gases (or vapor phase volatiles) emitted at the surface are water (H2O), carbon dioxide (CO2), and ...