|Duration of observation:||1995 - 2000|
|Inferred cause of deformation:|
|Characteristics of deformation:|
InSAR observations are not coherent enough to recognise any recent deformation that might have occurred at this volcano.
|Reference:||Lu, Z., and Dzurisin, D., 2014, InSAR imaging of Aleutian volcanoes: Chichester, UK, Springer-Praxis, 390 p.|
|Reference:||U.S. Geological Survey Alaska Volcano Observatory (AVO) website|
Photograph of Griggs. Source: C. Read, U.S. Geological Survey AVO website