Which process drives increased earthquake activity following fracking wastewater injection?

💡 Explanation

Earthquakes increase because slip on pre-existing faults is facilitated by elevated fluid pore pressure, which reduces the effective normal stress. Therefore, fault failure occurs at lower stress, rather than other geological weathering or sediment based mechanisms.

• Which outcome related to habitat vulnerability increases when a barrier island's dune erosion exceeds accretion?
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• Which climatic consequence occurs when a major volcanic eruption disrupts the North Atlantic subpolar gyre?
• Which impact does increased freshwater input from glacial melt have on North Atlantic gyre circulation?
• After effusive lava eruptions decrease, which outcome results from increased dissolved silica content?
• Which outcome occurs from increased pressure gradients influencing trade winds?