Roundup of Global Volcanic Activity
Mauna Loa (Big Island, Hawai'i): The alert level of the world's largest volcano was raised a notch to "ADVISORY", and the Aviation Color code to "YELLOW" becuase shallow earthquakes have recently appeared in increasing numbers under the volcano. There is no sign that the volcano is about to erupt in a very near future, but it could be a medium- or long-term precursor of a next eruption. The last eruption of Manua Loa occurred in 1984.
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