Pavlof Sister is a stratovolcano on the Alaska Peninsula. It is a satellite peak of Mount Pavlof, lying directly northeast. The mountain was named by the USGS in 1929. It is considered dormant, as it last erupted in 1786. USGS has the volcano alert level of Pavlof Sister set to unassigned, meaning the volcano is not currently monitored.

Pavlof Sister
Pavlof Sister (left), Mt. Pavlof (right) - July 1975
Highest point
Elevation	7,027 ft (2,142 m)
Coordinates	55°27′27″N 161°51′16″W
Geography
Location	Alaska Peninsula, Alaska, U.S.
Parent range	Aleutian Range
Topo map	USGS Port Moller B-6
Geology
Mountain type	Stratovolcano
Volcanic arc/belt	Aleutian Arc
Last eruption	1786

Sources

• "Pavlof Sister". Global Volcanism Program. Smithsonian Institution.
• Volcanoes of the Alaska Peninsula and Aleutian Islands-Selected Photographs
• Alaska Volcano Observatory

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[es] Pavlof Sister