Volcano number:311210
Country:United States
Geodetic measurements?Yes
Deformation observation?Yes
Measurement method(s):InSAR
Duration of observation:2004 - 2009
Inferred cause of deformation:Surface deposits
Characteristics of deformation:

Interferograms show that the lava flow field on the northern flank of the volcano subsided at ~3 mm/yr between 2004 – 2009 due to thermoelastic contraction.

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:-170.629, 52.643

Photo looking westward to Yunaska. Source J. Myers, U.S. Geological Survey AVO website