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Why Do Geysers Erupt at Regular Intervals?
为什么间歇泉会以固定间隔喷发？
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Geysers erupt when underground water heats up, turns to steam, and builds pressure beneath a narrow rock channel.
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The timing depends on how quickly heat flows from magma below and how much water refills the chamber after each blast.
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A constriction in the pipe traps steam until pressure becomes strong enough to lift the water column above it.
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Once the seal breaks, steam rushes upward, pushing water out in a powerful, hot explosion.
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Afterward, cool groundwater slowly seeps back in, restarting the heating cycle all over again.
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Scientists measure eruption intervals using sensors that track temperature, pressure, and ground movement.
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No two geysers behave exactly alike because each has unique underground plumbing and heat sources.
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Old Faithful stays predictable thanks to stable geology—but climate change may alter its timing in coming decades.
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This natural clockwork reminds us that Earth’s interior constantly moves energy toward the surface.
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Understanding geyser rhythms helps geologists monitor volcanic activity safely and remotely.