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Service Description: This data lists the historically active volcanoes of Alaska and the year of the last major eruptive event. The volcanoes listed meet at least one of the following criteria since 1700 CE: 1) Documented, unquestioned eruption OR 2) A strongly suspected eruption, often an eruption documented in a historical account with very little information. Current geologic knowledge must not contradict the eruption account, OR 3) Persistent (usually on the order of decades, but certainly longer than several months) fumaroles, with temperatures (where measured) within approximately 10 degrees C of the boiling point, OR 4) Significant, measured, volcanic-related, non-eruptive deformation, OR 5) Documented earthquake swarm with strongly suspected volcanic cause. All files can be downloaded free of charge from the DGGS website
http://doi.org/10.14509/30851.
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Description: This data lists the historically active volcanoes of Alaska and the year of the last major eruptive event. The volcanoes listed meet at least one of the following criteria since 1700 CE: 1) Documented, unquestioned eruption OR 2) A strongly suspected eruption, often an eruption documented in a historical account with very little information. Current geologic knowledge must not contradict the eruption account, OR 3) Persistent (usually on the order of decades, but certainly longer than several months) fumaroles, with temperatures (where measured) within approximately 10 degrees C of the boiling point, OR 4) Significant, measured, volcanic-related, non-eruptive deformation, OR 5) Documented earthquake swarm with strongly suspected volcanic cause. All files can be downloaded free of charge from the DGGS website http://doi.org/10.14509/30851.
Service Item Id: 56a6b26082304fdbb78d5a6e49f18894
Copyright Text: AK DGGS, AVO
Spatial Reference:
4269
(4269)
Initial Extent:
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YMin: -80.86943391882969
XMax: 197.51726900000006
YMax: 194.66402391882966
Spatial Reference: 4269
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Full Extent:
XMin: -178.79368
YMin: 51.788869999999974
XMax: 179.59770000000003
YMax: 62.00572
Spatial Reference: 4269
(4269)
Units: esriDecimalDegrees
Document Info:
Title: C:\Users\aemacpherson\OneDrive - State of Alaska\Documents\ArcGIS\Projects\MyProject21\MyProject21.aprx
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Keywords: Active Volcanoes,Geologic Hazards,Geology,Historic Eruption,Volcanic Eruption,Volcano Hazards,Volcanoes,Volcanology,Alaska Peninsula,Aleutian Islands,hazard
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