Volcano number:312190
Country:United States
Geodetic measurements?Yes
Deformation observation?No
Measurement method(s):InSAR
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
Location:-155.092, 58.354

Photograph of Griggs. Source: C. Read, U.S. Geological Survey AVO website