The Year in Volcanic Activity

Out of an estimated 1,500 active volcanoes around the world, 50 or so erupt every year, spewing steam, ash, toxic gases, and lava. In 2011, active volcanoes included Chile's Puyehue, Japan's Shinmoedake, Indonesia's Lokon, Iceland's Grímsvötn, Italy's Etna, and recently Nyamulagira in the Democratic Republic of Congo. In Hawaii, Kilauea continues to send lava flowing toward the sea, and the ocean floor has been erupting near the Canary Islands. Collected below are scenes from the wide variety of volcanic activity on Earth over the past year.

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  • Chensiyuan / Wikimedia Commons

    The Spectacular Seda Monastery

    High in a treeless valley in China's remote Garze Tibetan Autonomous Prefecture lies the largest Tibetan Buddhist school in the world.

  • Lucy Nicholson / Reuters

    An Oil Spill Fouls the California Coastline

    A pipeline burst yesterday, spilling an estimated 21,000 gallons (79,500 liters) of crude oil into the Pacific Ocean near Santa Barbara.

  • USGS / Robert Krimmel

    The Eruption of Mount St. Helens, 35 Years Ago

    On May 18, 1980, 35 years ago today, an earthquake struck below the north face of Mount St. Helens in Washington state, triggering the largest landslide in recorded history, and a major volcanic eruption that scattered ash across a dozen states.

  • Taylor Weidman / Getty Images

    Photos of the Week: 5/9-5/15

    This week, we have photographs of jet-men flying over Dubai, a spring snowstorm in Colorado, archery in the Amazon, airstrikes in Yemen, rebuilding in Nepal, migrant ships adrift in the Andaman sea and the Mediterranean, B-25 bombers over Washington, D.C., the Victory Day parade in Moscow, and much more.

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