Darwin Volcanic Ash Advisory Centre monitors volcanic ash clouds over Southeast Asia and Papua New Guinea.
| Hawaiian Volcano Observatory features information about Kilauea, Mauna Loa, and other volcanoes in the Islands, Volcano Watch articles, earthquakes, types of volcanic hazards, and more.
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Long Valley Caldera | U.S. Geological Survey Official USGS resource on the Long Valley Caldera, managed by the California Volcano Observatory (CalVO). Provides monitoring data and hazard information.
| Mount Erebus Volcano Observatory Research program for monitoring the activity of Mount Erebus, Antarctica.
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