Shishaldin volcano news & activity updates:
Shishaldin volcano (Alaska): increase of activity, likely lava fountains
Donnerstag Mai 15, 2014 08:33 | VON: T
Shishaldin volcano yesterday evening (AVO webcam)
The Alaska Volcano Observatory believed that the activity at the volcano has a bit increased. Satellite data show persistent high temperatures in the summit crater which could be lava flows, or even a small lava lake, likely produced by episodes of lava fountains.
MODIS hot spots at Shishaldin(MODVOLC, Univ. Hawaii)
The heat signals detected went along with increasing volcanic tremor detected.
There is no visual confirmation of such activity so far; webcam images only show a weak degassing plume, but these images are too distant to allow detailed interpretations. The aviation alert level remained at Orange.
Donnerstag, Mai 01, 2014
AVO reported that although cloud cover occasionally prevented web-cam and satellite observations of Shishaldin's summit area during 23-29 April, periods of elevated surface temperatures and minor steaming were observed. No significant changes were detected in seismic data. The Aviation Color Code remained at Orange and the Volcano Alert Level remained at Watch. ... [mehr]
Freitag, Apr 18, 2014
Alaska's Volcano Observatory (AVO / USGS) maintains alert status orange: "Minor steaming was observed in web camera images during clear periods over the past day. Satellite images show no evidence of eruptive activity. No significant changes observed in seismic data." [mehr]
Shishaldin volcano (Aleutian Islands, Alaska): alert level raised, likely new lava dome growing incrater
Samstag, Mär 29, 2014
The Alaska Volcano Observatory raised the alert level for the volcano to Aviation Color Code ORANGE and Alert Level WATCH: "Elevated surface temperatures were detected in satellite data beginning on March 18 and have persisted to the present time. ... [mehr]
Mittwoch, Feb 26, 2014
AVO keeps the alert status at yellow, although no activity has been detected recently. [mehr]
Sonntag, Feb 02, 2014
AVO misst weiterhin erhöhte Oberflächentemperaturen am Gipfel-Krater; allerdings zeigt ein Webcam-Bild vom 31. Januar keinerlei Dampfentwicklung. Der Vulkan bleibt auf Warnstufe Gelb. [mehr]