It's been a busy week or so in the world of volcanoes. Japan's Mount Aso had its largest eruption in recent memory. Canada's Mount Meager might be rumbling to life. And the USGS and Global Volcanism Program released a great animation of 50 years of earthquakes and eruptions. Japan Mount Aso in Japan had a large explosive eruption last week (10/8), sending ash over 11 kilometers (36,000 feet) upwards. Although eruptions aren't rare at Aso, the scale of this one was larger than usual.

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