On May 30, a magnitude-6.1 earthquake struck near Matanuska Glacier, shown here from the Glenn Highway. Credit: Frank K. from Anchorage, Alaska, USA, CC BY 2.0, via Wikimedia Commons

On May 30, a magnitude-6.1 earthquake struck near Matanuska Glacier, shown here from the Glenn Highway. Credit: Frank K. from Anchorage, Alaska, USA, CC BY 2.0, via Wikimedia Commons

On May 30, a magnitude-6.1 earthquake struck near Matanuska Glacier, shown here from the Glenn Highway. Credit: Frank K. from Anchorage, Alaska, USA, CC BY 2.0, via Wikimedia Commons

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