Fig. 10From: Imaging ground surface deformations in post-disaster settings via small UAVsOrthomosaic of ash-covered town crossed by northeast-trending fissures delineated in red. Insets A, B, and C show some of the most prominent fissures (red arrows). The longest measured fissure in this zone, as visible from the drone imagery, is approximately 19 m (partially contained in inset A)Back to article page