TY JOUR TI Analysis of Crustal Deformations Associated with Major Chilean Earthquakes of the Early 21st Century Using GNSS Observations KW Peru–Chile subduction zone KW major earthquakes KW surface deformations KW satellite geodesy KW Shen method KW regional faults JO Russian Journal of Earth Sciences AU Shcheveva, N.S. AU Vladimirova, I.S. PY 2026 IS 26 PB Geophysical Center of the Russian Academy of Sciences