Fig. 3
From: Framework for developing volcanic fragility and vulnerability functions for critical infrastructure
Mixed electricity generation types (hydroelectric, geothermal and thermal) ash impact histogram and fragility functions. a Histogram of available post-eruption impact data classified by IS for 1–10, 11–50, and 51–300 mm tephra thickness bins. b Derived fragility functions for mixed electricity generation types showing probability of equalling or exceeding each IS vs tephra thickness