Graph below showing relationship between time and depth of earthquakes (quality BB or better) beneath Mount Rainier from 08/21, 2008, through 09/21, 2009.
In this graph, 0 km depth corresponds to 3 km (about 2 miles) below the summit of Mount Rainier, which is the average station elevation of recording seismographs near Rainier.
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Recent Rumblings under Rainier - JAC, 9/22/2009, 7:20 am