Roughly, each year through the 90’s 60 Volcanoes erupt and there was about 154 that erupted through the full decade of 1990-1999. About 1,300 maybe more than 1,500 have erupted in the past 10,000 years, but this is nothing compared to seafloor volcanoes, they are estimated to exceed a million in the past 10,000 years.
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