How often does the Mauna Loa volcano erupt?

Emily

Dear Emily,

That depends on the time period you are interested in. Mauna Loa has erupted 15 times since 1900. These eruptions have lasted from a few hours to 145 days. Since 1950 Mauna Loa has erupted only twice, in 1975 and 1984. The 1975 eruption lasted 1 day. The 1984 eruption lasted 3 weeks.

Steve Mattox, University of North Dakota

Source of Information:

Heliker, C.,1991, Volcanic and seismic hazards of the Island of Hawaii: U.S. Geological Survey General Interest Publication, 48 p.

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