Veniaminof (United States) - Report for 28 November-4 December 2018 - NEW

AVO reported that the eruption of lava from the cone in Veniaminof?s ice-filled summit caldera continued during 27 November-3 December.
Satellite and webcam data showed elevated surface temperatures.
Steam and diffuse ash plumes were periodically identified in webcam and satellite images.
During 27-28 November acoustic waves were recorded by regional infrasound sensors.
Continuous low-amplitude tremor was recorded until the network went offline following a M 7 tectonic earthquake near Anchorage on 30 November.
The Aviation Color Code remained at Orange (the second highest level on a four-color scale) and the Volcano Alert Level remained at Watch (the second highest level on a four-level scale).

Source: US Geological Survey Alaska Volcano Observatory (AVO)

Fonte/Source: Global Volcanism Program/Smithsonian Institution


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