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Pavlof volcan

Mise à jour: 2 déc.. 2022 20:16 GMT -
Stratovolcano 2519 m / 8,264 ft
Alaska Peninsula, USA, 55.42°N / -161.89°W
Condition actuelle: Activité petite ou avertissement éruption imminente (3 sur 5)
Last update: 30 nov. 2022 (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.

Montrer carte interactive
Style éruptif tipique: Explosive.
Eruptions du volcan Pavlof: 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

Derniers séismes proches

No recent earthquakes

Introduction

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


See also: Sentinel hub | Landsat 8 | NASA FIRMS
mer., 30 nov. 2022, 15:00

Pavlof volcano (Alaska Peninsula, Alaska) - Smithsonian / USGS Weekly Volcanic Activity Report for 23 November-29 November 2022 (Continuing Activity)

AVO reported that a minor eruption at a vent on Pavlof's upper E flank was ongoing during 23-29 November and nearly continuous seismic tremor was recorded. Vent incandescence was visible in webcam images on most days, suggesting ongoing lava effusion. Elevated surface temperatures were occasionally identified in satellite images. ... 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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