photo: Creative Commons / Norro
Daisy Geyser
photo: Creative Commons / Carl Gusler
Cone of Giant Geyser
photo: A.P. photo
Kelsey Peterson, a 25-year-old sixth-grade math teacher at Lexington school. agm1
photo: AP / Lefteris Pitarakis
Egyptian anti-government demonstrators gather in Tahrir Square, the center of anti-government demonstrations, in Cairo, Egypt, Monday, Feb. 7, 2011. A sense of normalcy began to return to the capital of some 18 million people, which has been largely closed since chaos erupted shortly after the protests began on Jan. 25.
photo: Creative Commons / J.D. Griggs
Aerial view of Puʻu ʻŌʻō taken on 1990-08-30 In 1990, the eruption entered its most destructive phase when flows turned eastward and totally destroyed the villages of Kalapana and Kaimū. Kaimū Bay and Kalapana Black Sand Beach were also completely covered with lava.
photo: NASA/Johns Hopkins University Applied Physics Laboratory/Southwest Research Institute
2007/04/02 An Eruption on Io - The first images returned to Earth by New Horizons during its close encounter with Jupiter feature the Galilean moon Io, snapped with the Long Range Reconnaissance Imager (LORRI) at 0840 UTC on February 26, while the moon
photo: NASA/Johns Hopkins University Applied Physics Laboratory/Southwest Research Institute
2007/04/02 An Eruption on Io - The first images returned to Earth by New Horizons during its close encounter with Jupiter feature the Galilean moon Io, snapped with the Long Range Reconnaissance Imager (LORRI) at 0840 UTC on February 26, while the moon
photo: NASA/Johns Hopkins University Applied Physics Laboratory/Southwest Research Institute
2007/04/02 An Eruption on Io - The first images returned to Earth by New Horizons during its close encounter with Jupiter feature the Galilean moon Io, snapped with the Long Range Reconnaissance Imager (LORRI) at 0840 UTC on February 26, while the moon
photo: NASA/Johns Hopkins University Applied Physics Laboratory/Southwest Research Institute
2007/04/02 An Eruption on Io - The first images returned to Earth by New Horizons during its close encounter with Jupiter feature the Galilean moon Io, snapped with the Long Range Reconnaissance Imager (LORRI) at 0840 UTC on February 26, while the moon
photo: NASA/Johns Hopkins University Applied Physics Laboratory/Southwest Research Institute
2007/04/02 An Eruption on Io - The first images returned to Earth by New Horizons during its close encounter with Jupiter feature the Galilean moon Io, snapped with the Long Range Reconnaissance Imager (LORRI) at 0840 UTC on February 26, while the moon
photo: NASA/Johns Hopkins University Applied Physics Laboratory/Southwest Research Institute
2007/04/02 An Eruption on Io - The first images returned to Earth by New Horizons during its close encounter with Jupiter feature the Galilean moon Io, snapped with the Long Range Reconnaissance Imager (LORRI) at 0840 UTC on February 26, while the moon
photo: NASA/Johns Hopkins University Applied Physics Laboratory/Southwest Research Institute
2007/04/02 An Eruption on Io - The first images returned to Earth by New Horizons during its close encounter with Jupiter feature the Galilean moon Io, snapped with the Long Range Reconnaissance Imager (LORRI) at 0840 UTC on February 26, while the moon
photo: AP Photo / Trisnadi
Mount Kelud
photo: Creative Commons
View of Vulcano from the island of Lipari. The green islet centre left is Vulcanello, which is connected to Vulcano by an isthmus. The Fossa cone is immediately behind it.
photo: AP Photo / Tara Todras-Whitehill
Palestinians throw stones at Egyptians police officers, not seen, at the border crossing in Rafah, southern Gaza Strip, Monday, Feb. 4, 2008. Gunfire erupted at the Gaza-Egypt border on Monday, following stone-throwing clashes between Egyptian border guards and Palestinians, witnesses said. The tensions began when the Egyptian guards sealed the border Monday, not even allowing Egyptians and Gazans who had found themselves on the wrong side of the border to return home.
photo: Creative Commons / Colin Faulkingham
Grass, dead fallen trees and scrubs. View of the hillside at the Johnston Ridge Observatory, 25 years after the eruption. In 1982, President Ronald Reagan and the U.S. Congress established the Mount St. Helens National Volcanic Monument, a 110,000 acres (45,000 ha) area around the mountain and within the Gifford Pinchot National Forest.
photo: AP / Lefteris Pitarakis
Egyptian anti-government demonstrators chant slogans as they gather in Tahrir Square, the center of anti-government demonstrations, in Cairo, Egypt, Sunday, Feb. 6, 2011.
photo: Creative Commons
1902 eruption
photo: Creative Commons / Dolph72
The SE corner of North 24th & Lake Streets
photo: WN / Yeshe Choesang
At least 30 shot dead in demonstration in Ngaba County
photo: Creative Commons
Evacuees on Rue du Pavé, Fort-de-France after 1902 eruption
photo: Creative Commons
The Wisconsin State Capitol
photo: Creative Commons
Portrait of Henry Clay
photo: Creative Commons
Artist concept showing sand-laden jets erupt from geysers on Mars. (Published by NASA); artist: Ron Miller
photo: WN / Yeshe Choesang
Tibetan students demonstrate in Tsoe City (Eastern Tibet)
photo: WN / Yeshe Choesang
Tibetan students demonstrate in Tsoe City (Eastern Tibet)
photo: WN / Yeshe Choesang
Tibetan students demonstrate in Tsoe City (Eastern Tibet)
photo: WN / Yeshe Choesang
Tibetan students demonstrate in Tsoe City (Eastern Tibet)
photo: WN / Yeshe Choesang
Tibetan students demonstrate in Tsoe City (Eastern Tibet)
photo: WN / Yeshe Choesang
Tibetan students demonstrate in Tsoe City (Eastern Tibet)