Thursday, Oct 16, 2014
Strong ash emissions from the volcano were reported by a pilot shortly after midnight (UTC). The reported height of the plume was to up to 70,000 ft (21 km) altitude, which would indicate an unexpected, and sudden major explosion took place (if the observed plume was volcanic ash and not something else). Anchorage VAAC raised the Aviation Color Code to RED. ...
Thursday, Jan 01, 1970
AVO increased the Volcanic Alert Level to Advisory and the Aviation Color Code to Yellow for Augustine on 22 September due to an increase in seismic activity below the summit over the previous week. ...
Map of Augustine volcano, surrounding volcanoes, and surrounding communities. (Image courtesy Schaefer, Janet, Alaska Division of Geological & Geophysical Surveys.)
Photograph of Augustine's summit and the steaming lava dome, taken on 4 January, 2006 (Photo: USGS)
Augustine volcan éruptions
Stratovolcano 1260 m / 4134 ft
Cook Inlet (SW Alaska), 59.36°N / -153.43°W
Liste des éruptions: 1812, 1883-84(?), 1908(?), 1935, 1963, 1971, 1976, 1986