One of the world's most active volcanoes, Kilauea, began erupting Monday at approximately 2 a.m. HST on Hawaii's Big Island, prompting health warnings as volcanic smog threatened downwind communities.

Taal Volcano belched gas and caused volcanic smog in Batangas province, the Philippines, on September 12. Footage shows a smoke plume rising out of the volcano's main crater at 7am local time.

A volcano's latest eruption on Hawaii's Big Island fountained lava more than 1,000 ft. into the sky on May 25. With its summit at 4,091 ft., Kilauea has had lava fountaining from its Halemaumau ...

The most immediate threat was from volcanic smog that could reach homes downwind, the observatory said. Such “vog” contains sulfur dioxide and can worsen symptoms for people who have ...

UPDATE: 7:30 a.m. The USGS Hawaiian Volcano Observatory has downgraded Kilauea’s alert level to watch and its aviation color code to orange as the summit eruption within Halemaumau crater ...

Volcanic smog has blanketed the Philippine capital Manila and nearby provinces, with residents urged to stay indoors and schools forced to close. Taal, a small but restive volcano near the capital ...

In this aerial photo provided by the U.S. Geological Survey, an eruption takes place on the summit of the Kilauea volcano in Hawaii, Monday, Dec. 23, 2024. (U.S. Geological Survey via AP) ...