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Volcano Tours on Hawai'i The Hawaiian Islands are not only home to the most active volcanoes in the world, Kilauea and Mauna Loa on the Big Island, but also boast a unique natural environment. Born by volcanic activity of a very active hot spot in the middle of the Pacific Plate, they are a showcase of natural history.
Earthquakes near Volcanoes Our world-wide map continuously detects shallow earthquakes near volcanoes. These could be early signs of unrest and often precede eruptions.
Latest VAAC alerts The Volcanic Ash Advisory Centers provide near-real time global monitoring of volcanic ash plumes for aviation. Read the latest (or browse past) advisories.