Which consequence results when heavy tephra accumulation destabilizes slopes?

💡 Explanation

Lahars can initiate because saturation of thick unconsolidated tephra layers and increased weight enhances slope instability resulting in debris flows – a Volcanic Mudflow process – therefore the surface materials mobilize rapidly rather than other slow deformations.

• Which outcome reduces streamflow variability during seasonal Arctic ice melt?
• Which outcome maximizes infiltration rate when creating crop terraces on an alluvial fan?
• Which outcome occurs when intense surface wind action primarily affects unconsolidated sediments in an arid environment?
• Which process increases along coastal margins within an ocean gyre when stronger offshore winds develop?
• Which ecosystem change results when cave passages collapse, forming dolines?
• Which outcome arises when differential slip along a transform vault is impeded?