Repeating low frequency icequakes in the Mont-Blanc massif triggered by snowfalls

Agnès Helmstetter (1)

1 ISTerre - Institut des Sciences de la Terre

• I have detected low frequency icequake signals with a main frequency of 5 Hz that repeat every few minutes • Low frequency icequakes mainly occur during and after snowfalls • They are located on several glaciers of the Mont-Blanc massif mainly above 3000 m a.s.l. where ice is possibly cold

Domaines: Glaciologie; Géophysique [physics.geo-ph]

Agnès Helmstetter. Repeating low frequency icequakes in the Mont-Blanc massif triggered by snowfalls. 2022. ⟨hal-03754592v1⟩