In this photo provided by the Alaska Volcano Observatory/U.S. Geological Survey is the Tanaga Volcano near Adak, Alaska, on May 23, 2021. A swarm of earthquakes occurring over the past few weeks has intensified at a remote Alaska volcano dormant for over a century, a possible indication of an impending eruption. The Alaska Volcano Observatory raised the alert level to advisory status for Tanaga Volcano late Tuesday, March 7, 2023, after the quakes became very vigorous. (Matt Loewen/Alaska Volcano Observatory/U.S. Geological Survey via AP)
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