volcano

Popocatépetl volcano spews incandescent material on Tuesday. The second highest volcano in the Mexico increased its activity, and authorities raised the alert to the second-highest level. Cristopher Rogel Blanquet/Getty Images hide caption

This photo shows the Australian Navy's HMAS Adelaide docked at Vuna Wharf in Tonga's capital Nukualofa on Jan. 26 to deliver aid following the Jan. 15 eruption of the nearby Hunga Tonga-Hunga Haapai underwater volcano. Tonga's deputy chief of mission in Australia Curtis Tu'ihalangingie told Reuters that the infected dock workers were not at the same wharf the HMAS Adelaide docked at. Mary Lyn Fonua/Matangi Tonga/AFP via Getty Imag hide caption

Volcanic ash covers rooftops and vegetation in an area of Tonga last week. Thick ash on an airport runway was delaying aid deliveries to the Pacific island nation, where significant damage was reported. CPL Vanessa Parker/New Zealand Defense Force/via AP hide caption

Red Cross teams set up a temporary shelter in Kanokupolu, western Tongatapu, on Friday as the Tonga island group grapples with the aftermath from the recent underwater volcanic eruption. Tonga Red Cross Society/via AP hide caption

The Tonga volcano on December 24 2021 as seen from a satellite. The eruption turned explosive, in what nuclear monitors say was the biggest bang they've ever recorded. Maxar hide caption

This photo released by the the National Galapagos Park communications office shows lava from the eruption of Wolf Volcano on Isabela Island, Galapagos Islands, Ecuador, on Friday. Wilson Cabrera/National Galapagos Park communications office via AP hide caption

A fissure is seen next to a house covered with ash on the Canary island of La Palma on Dec. 1. Authorities on the Spanish island are declaring a volcanic eruption that has caused widespread damage but no casualties officially finished. Emilio Morenatti/AP hide caption

Indonesian villagers stand with Mount Semeru in the background on Saturday. Indonesian authorities raised the alert level for the highest volcano on Java island, saying it could blow up again after a sudden eruption earlier this month that killed dozens of people and left thousands homeless in villages that were buried in layers of mud. Hendra Permana/AP hide caption

Lava from a volcanic eruption surrounds a house on the island of La Palma in the Canary Islands on Thursday. Emilio Morenatti/AP hide caption

Two people are seen silhouetted against a night sky turned red by the eruption of Congo's Mount Nyiragongo on Saturday. Justin Kabumba/AP hide caption

Plumes of ash rise on Friday from the La Soufrière volcano as it erupts on the eastern Caribbean island of St. Vincent, as seen from Chateaubelair. Orvil Samuel/AP hide caption

Mount Merapi, Indonesia's most active volcano, spews rocks and gas into Wednesday's morning sky. Agung Supriyanto/AFP via Getty Images hide caption

Lava cascades into the summit water lake at the Kilauea volcano on Hawaii's big island. The eruption began late Sunday within the volcano's Halemaumau crater, at the summit of Kilauea. USGS hide caption

Officials say threat levels are at a "yellow phase 2," and are warning people to stay away from the volcano and its crater "due to the danger of falling ballistic fragments." webcamsdemexico hide caption