Which volcanic hazard increases due to lahar-induced blockage?

💡 Explanation

Catastrophic outburst floods downstream rise because debris flow accumulation reduces channel capacity. This backup causes damming, culminating in catastrophic failure due to increased hydrostatic pressure, rather than affecting lava properties or causing volcano instability.

• Which outcome results when wave energy focuses along headlands of an island?
• Which consequence results when subsurface pipe erosion induces subsidence?
• Which mechanism increases magma silica content as an oceanic plate subducts beneath continental crust?
• Which outcome occurs when intense glacial erosion targets the slope of a mountain?
• Which risk increases substantially around quarries extracting limestone?
• Which phenomenon is primarily responsible when trade winds deflect westward approaching the equator?