Morphological and structural changes at the Merapi lava dome monitored using Unmanned Aerial Vehicles (UAVs)

Herlan Darmawan1, Thomas R Walter1, Kirbani Sri Brotopuspito2, Subandriyo Subandriyo3 and Made Agung Nandaka4, (1)Deutsches GeoForschungsZentrum GFZ, Potsdam, Germany, (2)Universitas Gadjah Mada, FMIPA, Sekip Unit III,, Yogyakarta, Indonesia, (3)CVGHM, Yogyakarta, Indonesia, (4)Center of Volcanology and Geological Hazard Mitigation, BPPTKG, Bandung, Indonesia