VANCOUVER, Wash. -- The U.S. Geological Survey's Volcanic Observatory in Vancouver is best known for Mount St. Helens and the other volcanoes of the Northwest. But years of developing tools to share ...
On May 25, 2025, Kīlauea volcano in Hawaii erupted at Halemaʻumaʻu crater, sending lava fountains over 1,000 feet high from the north vent and over 800 feet from the south vent. The ash-filled plume ...
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