Great Sitkin (United States) - Report for 6 June-12 June 2018 - NEW

Seismicity at Great Sitkin was elevated during the previous five days, though at 1139 on 10 June a seismic signal indicating a possible short-lived steam explosion prompted AVO to raise the Aviation Color Code to Yellow and the Volcano Alert Level to Advisory.
No infrasound signal associated with the event was detected, and no volcanic clouds rose about the meteorological cloud deck at 2.4 km (8,000 ft) a.s.l.

Source: US Geological Survey Alaska Volcano Observatory (AVO)

Fonte/Source: Global Volcanism Program/Smithsonian Institution


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