Illinois Featured Content

  • Supervolcanoes likely triggered externally, study finds

    Nov 4, 2015 12:45 pm by Liz AhlbergResearch
    image of Illinois geologist Trish Gregg by L. Brian Stauffer

    Images

    • image of Illinois geologist Trish Gregg by L. Brian Stauffer

    Supervolcanoes are likely triggered externally when the rock around them cracks or collapses, according to a study led by Illinois geologist Patricia Gregg.