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The 83 pages that link to Volcanic ash, each with the reason it gives.

• Volcanic eruptionBroader topic: Ash can damage aircraft, infrastructure, crops, and lungs, even far from the vent.

• VolcanismBroader topic: Ash clouds disrupt aviation, damage infrastructure, and affect health.

• Volcanic hazard mapBroader topic: Wind-driven ashfall can expose places far beyond the volcano's slopes.

• VolcanologyBroader topic: Ash forecasts inform aviation warnings and plans for communities downwind.

• Pyroclastic density currentBroader topic: Ash is a major suspended component that helps currents travel and blanket the landscape.

• Volcanic riskBroader topic: Ash can spread far beyond an eruption and disrupt health, transport, power, and water systems.

• TephraBroader topic: Ash is tephra's finest size class and can travel farthest from an eruption.

• Volcanic Explosivity IndexBroader topic: Fine ash contributes to tephra volume and can remain suspended far from the vent.

• Plinian eruptionBroader topic: Fine ash is carried high in the column and can travel far downwind.

• Volcanic rockBroader topic: Ash can consolidate into rock and also serves as a distinctive eruption deposit.

• Explosive eruptionBroader topic: Ash clouds can disrupt aviation, damage infrastructure, and harm health far from a volcano.

• PopocatépetlBroader topic: Ash from Popocatépetl can affect nearby settlements, aviation, and agriculture.

• Glacier PeakBroader topic: Ash from Glacier Peak’s explosive eruptions forms widespread deposits used to trace its past activity.