This is probably an ongoing feature in Yellowstone. We've only been able to study it like this for 10 years, so we're still not sure what's normal and what's not. But there's no evidence yet to suspect an eruption.

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We're not sure yet if this is a normal episode or not.

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Magma's always coming up in Sour Creek dome and going through the system. But maybe there are pulses when more comes up. That may be what causes the surface to rise.

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But when the [uplift anomaly] quit inflating in 2002 and 2003, the thermal unrest died off too. So we think there's pretty good evidence for tying these events together.

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