Which risk increases when fluid injection occurs near a dormant seismic fault zone?

💡 Explanation

When fluid injection occurs, increased pore pressure reduces the effective normal stress on the locked fault, therefore potentially reactivating it through reduced friction, triggering induced seismicity. Consequently, shallow rock fracturing occurs, rather than reduced stress, intensified rock composition changes, or geothermal fluctuations, caused requires unique triggers.

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• Which risk increases when multiple large dams are constructed in seismically active zones?
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