Mount Pavlof, Stratovolcano on Alaska Peninsula, United States.
Mount Pavlof is a stratovolcano on the Alaska Peninsula, rising 2,518 m to a single pointed summit. Its upper slopes are covered in bright white snow broken by dark, rough ridges and gullies, while lower down the mountain turns to bare rock in shadow. A column of grey and white ash and gas rises from the summit against a blue sky with thin horizontal clouds.
The first documented climb to the summit took place in 1928 when T. A. Jagger reached the top with his expedition team. The group later recorded their experience in National Geographic magazine.
Russian explorers named the mountain after Saint Paul, calling it Pavlovskoi in their early records. Captain Lutke published this name in navigation charts during 1836, and the designation remains in use today.
The Alaska Volcano Observatory monitors seismic activity, ash emissions, and thermal changes through instruments and satellite imagery. The system issues alerts to aviation authorities and local communities when increased volcanic activity is detected.
The March 27, 2016 eruption gave only 25 minutes of warning before ash rose to 37,000 feet and drifted 400 miles northeast, coating the village of Nelson Lagoon with tephra. Ash stopped falling on March 31. The 2014 event sent a plume to 22,000 feet.
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