How long do volcanoes usually take when there erupting? (when the
lava comes out)
Kristine
Dear Kristine,
Of the 3,211 known eruptions listed in Volcanoes of the World, most
(almost 1,200) lasted between 10-100 days. About 950 eruptions lasted
between 100 and 1,000 days. About 400 eruptions lasted between 1-10 and
0.1-1 days. About 250 eruptions lasted between 1,000 and 10,000 days.
Roughly 50 eruptions have lasted less than 0.1 days (2.5 hours). Roughly
10 eruptions have lasted between 10,000-100,000 days. The median
duration is 49 days.
Steve Mattox, University of North Dakota
Source of Information:
Simkin, T., and Siebert, L., 1994, Volcanoes of the world: Geoscience
Press, Tucson, Arizona, p. 19.
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