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Fourpeaked volcano (United States) - Smithsonian / USGS Weekly Volcanic Activity Report for 4 October-10 October 2006 (New Activity / Unrest)

Mi, 4. Okt 2006, 06:00
06:00 AM | VON: VN
The AVO reported that volcanic unrest continued at Fourpeaked during 30 September-6 October. A seismometer that was installed on 25 September indicated ongoing low-level seismicity. Due to the limited number of seismometers, earthquake epicenters were not located.
Emission rates of sulfur dioxide were high, similar to the previous week.

Source: US Geological Survey Alaska Volcano Observatory (AVO)
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From: Global Volcanism Program, 2006. Report on Fourpeaked. In: Mayberry, G (ed.), Weekly Volcanic Activity Report 4 October-10 October 2006. Smithsonian Institution and US Geological Survey.

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Mi, 27. Sep 2006, 06:00

Fourpeaked volcano (United States) - Smithsonian / USGS Weekly Volcanic Activity Report for 27 September-3 October 2006 (New Activity / Unrest)

Volcanic unrest continued at Fourpeaked volcano during 23-29 September. Satellite observations by scientists from the University of Maryland-Baltimore County indicate that sulfur dioxide emission was continuing. Early in the week, AVO conducted several helicopter and fixed-wing missions during which observers photographed a linear series of vents running N from the summit for about 1 km. ... Read all
Mi, 20. Sep 2006, 06:00

Fourpeaked volcano (United States) - Smithsonian / USGS Weekly Volcanic Activity Report for 20 September-26 September 2006 (New Activity / Unrest)

On the evening of 17 September the Alaska Volcano Observatory (AVO) received several reports of two discrete plumes rising from the Cape Douglas area, about 320 km SW of Anchorage. Retrospective analysis of data from the NEXRAD Doppler radar in King Salmon showed an unusual cloud starting at 1200 that day. The maximum cloud height determined by radar during the first hour of the event was 6 km (20,000 ft) a.s.l. ... Read all
Sa, 26. Feb 2005, 01:49

Fourpeaked Volcano (Alaska), eruption news: first known eruption

Aerialphoto of the summit of Fourpeaked volcano on an overflight on the 24th of Sep 2006 showing several steaming vents on its summit. (Photo courtesy: Cyrus Read, AVO/USGS)
The first known historic eruption of Fourpeaked volcano on the Alaska peninsula is taking its course. Several vents emitting gasses and ash have appeared on the glacier-topped volcano and are slowly melting the ice cap. ... Read all
Fourpeaked Vulkan
Stratovolcano 2105 m / 6,906 ft
United States, Alaska Peninsula, 58.77°N / -153.67°W
Aktueller Status: normal / ruhend (1 von 5) Ausbrüche des Fourpeaked:
2006 
Typische Aktivität
unspecified
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