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Pavlof Volcano

Updated: Dec 6, 2024 13:45 GMT -
Stratovolcano 2519 m / 8,264 ft
Alaska Peninsula, USA, 55.42°N / -161.89°W
Current status: normal or dormant (1 out of 5)
Last update: 25 Jan 2023 (Smithsonian / USGS Weekly Volcanic Activity Report)
Pavlof Sister (left) and Pavlof Volcanoes (right) rise above a thick stratocumulus cloud deck (image: Marco Fulle / Stromboli Online)
Pavlof Sister (left) and Pavlof Volcanoes (right) rise above a thick stratocumulus cloud deck (image: Marco Fulle / Stromboli Online)

Pavlov is the most active volcano of the Aleutian arc.

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Typical eruption style: Explosive.
Pavlof volcano eruptions: 1762(?), 1790(?), 1817, 1825(?), 1838(?), 1844, 1846, 1852(?), 1866(?), 1880, 1886, 1892, 1894, 1901, 1903(?), 1906, 1914, 1917, 1922, 1924, 1929, 1936, 1950, 1951, 1953, 1958, 1960, 1966, 1973, 1974(?), 1975, 1980(Mar-May), 1980 (Jul)(?), 1980 (Nov), 1981, 1983 (Jul), 1983 (Nov-Dec), 1983, 1986, 1990, 1996, 2007 (Aug), 2013, 2014, 2016, 2017, 2019, 2020, 2021-ongoing

Latest nearby earthquakes

No recent earthquakes
TimeMag. / DepthDistance / Location

Background

The 2519-m-high, largely snow-capped Holocene stratovolcano was constructed along a line of vents extending NE from the Emmons Lake caldera.
Pavlof and its twin volcano to the NE, 2142-m-high Pavlof Sister, form a dramatic pair of symmetrical, glacier-covered stratovolcanoes that tower above Pavlof and Volcano bays. A third cone, Little Pavolf, is a smaller volcano on the SW flank of Pavlof volcano, near the rim of Emmons Lake caldera. Unlike Pavlof Sister, Pavlof has been frequently active in historical time, typically producing strombolian to vulcanian explosive eruptions from the summit vents and occasional lava flows. The active vents lie near the summit on the north and east sides. The largest historical eruption of Pavlof took place in 1911, at the end of a 5-year-long eruptive episode; a fissure opened on the northern flank of the volcano, ejecting large blocks and issuing lava flows.
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Source: GVP (Global Volcanism Program), Pavlov information

Latest satellite images

Pavlof satellite image sat1Pavlof satellite image sat2
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Wed, 25 Jan 2023, 15:00

Pavlof volcano (Alaska Peninsula, Alaska) - Smithsonian / USGS Weekly Volcanic Activity Report for 18 January-24 January 2023 (Continuing Activity)

AVO reported that the eruption at Pavlof has ended. No explosions had been detected since 11 December and seismicity had decreased to background levels. Weakly elevated surface temperatures and minor steaming from the recently active vent continue to be observed intermittently in satellite and webcam images, consistent with the cooling of previously erupted lava. ... Read all
Sat, 21 Jan 2023, 04:48

Pavlof volcano (Alaska Peninsula, USA): activity ceased, alert status reduced to Green

Pavlof volcano from helicopter (image: AVO)
The activity at the volcano stopped. ... Read all
Map of Pavlov volcano and the Emmons Lake volcanic center on the Alaksa Peninsula. (Image Creator: Waythomas, Chris /Image courtesy of AVO/USGS)
Map of Pavlov volcano and the Emmons Lake volcanic center on the Alaksa Peninsula. (Image Creator: Waythomas, Chris /Image courtesy of AVO/USGS)

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