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Earth, Planets and Space
Fig. 10 | Earth, Planets and Space

Fig. 10

From: Continuous monitoring of the 2015–2018 Nevado del Ruiz activity, Colombia, using satellite infrared images and local infrasound records

Fig. 10

Example of proposed method to calculate the area and volume over time of the lava dome: a reference for dome dimensions established from Planet Scope image (March 14, 2018). b Scaling from TerraSAR-X image (April 9, 2018). c Example of digitized polygon defining the dome perimeter and area during November 11, 2015. d Example of digitized polygon defining the dome perimeter and area during May 25, 2018

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