Mount Waesche is part of the Executive Committee Range, which from north to south includes Mount Hampton, Mount Cumming with the parasitic vent Annexstad Peak, Mount Hartigan, Mount Sidley with Doumani Peak and Chang Peak-Mount Waesche. These mountains are all volcanic and feature ice-filled calderas, and many are paired volcanoes. Volcanic activity appears to be moving southward at a rate of . Seismic activity recorded in 2010 and 2011 south of Mount Waesche may indicate ongoing magmatic activity south of the youngest volcano. Chang Peak and Mount Waesche appear to be located outside of the Executive Committee Range volcanic lineament.