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Shishaldin volcano
Stratovolcano 2857 m / 9,373 ft
Aleutian Islands, Alaska, 54.76°N / -163.97°W
Current status: erupting (4 out of 5)
Shishaldin webcams / live data | Reports
Shishaldin volcano books
Shishaldin volcano eruptions:
2014-15, 2008 (?), 2004, 2002, 2000, 1999, 1997, 1995, 1993, 1986-87, 1981 (?), 1979, 1978, 1976, 1975, 1967, 1963, 1955, 1953, 1951, 1948, 1946-47, 1932, 1929, 1928, 1927, 1925, 1922, 1912 (?), 1901, 1899 (?), 1898, 1897 (?), 1883, 1880-81, 1865 (?), 1842, 1838, 1830, 1927-29, 1826, 1825, 1824, 1790 (?), 1775-78
Typical eruption style:
explosive
Last earthquakes nearby
Latest satellite images

Sentinel hub | Landsat 8
 

Shishaldin volcano news & activity updates:

Shishaldin volcano (Alaska, USA) activity update: lava flow on the northwest flank has increased in length and developed two branches

Tuesday Nov 05, 2019 07:38 AM | BY: MARTIN

Lava branches on the northwest flank (image: Sentinel 2)
Lava branches on the northwest flank (image: Sentinel 2)
AVO reported that lava is overflowing the summit crater and the lava flow on the northwest flank has increased in length. Satellite data on Sunday afternoon show that the flow has developed two branches, each extending for about 1000 meters (0.62 miles). Volcanic debris flows (lahars) have also increased in length and now extend as far as 2 km (1.2 miles) on the north and south flanks.
Incandescence continues to be observed in overnight webcam images and satellite data show deposits of hot lava spatter on the summit cone due to minor explosive activity and/or lava fountaining.
Seismicity has decreased over the past 12 hours after an extended period of elevated high-amplitude tremor that was likely related to increased lava effusion.
Small explosions have also been observed on local seismic stations and detected in regional infrasound data. No significant ash emissions observed in satellite or web camera data.
Source: Alaska Volcano Observatory volcano activity update 4 November 2019
Previous news
Lava filled the crater and overflowed the north crater rim (image: Sentinel 2)
Thursday, Oct 31, 2019
Seismicity and infrasound signals were consistent with low level eruptive activity and a steam plume was persistent. ... [more]
Thursday, Oct 24, 2019
Satellite data is now showing that the deep summit crater has been filled and lava is starting to flow over the rim with spatter from Strombolian explosions also being deposited. This melted some of the thick ice sending a lahar halfway down the north flank. Elevated seismicity continues. ... [more]
Small steam plume from Shishaldin (image: AVO)
Thursday, Oct 24, 2019
Alaska Volcano Observatory recorded low-level eruptive activity with periodic bursts of lava within the summit crater of Shishaldin and a small steam plume over the past day. ... [more]
Monday, Oct 21, 2019
Volcanic Ash Advisory Center Anchorage (VAAC) issued the following report: ... [more]
Thursday, Oct 17, 2019
Renewed lava effusion has been detected and is contained within the crater. AVO raised the status to ORANGE/WATCH. [more]

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