beneath Mount Rainier? Seismicity has been ramping up the last several months as the time vs. depth graph shown above clearly indicates (click to enlarge.) More plots are available here and show that most of the hypocenters associated with this recent activity are clustered on the northeast side of the volcano.I would note that the resurgence in volcanic activity at Mount Saint Helens in September 2004 was preceded by a similar seismic signature, but I am not suggesting that an eruption at Rainier is imminent. But let's keep a watchful eye on this developing trend.
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