Volcanoe eruptions are one of the many natural disasters that can affect human movement. With this eruption, its caused about 5,300 people to relocate. It has also destroyed farmland and caused problems with access to food and water.
Blue Biggs Jasper stone. Blue Biggs Jasper is a silicated volcanic ash. It was formed during a volcanic eruption and is part of a Miocene series of rocks called the John Day Formation, near Biggs, Oregon, USA. It is a decorative stone used for jewellery and trinkets.
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