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May 25, 2014 in City

The panoramic view of the south rim of Mount St. Helens, looking past a still venting lava dome north toward Spirit Lake and Mount Rainier, is awe-inspiring, but scientists are focused on a repressurizing of the magma chamber below the mountain.

Seismic specialist and UW professor emeritus Steve Malone, left, UW graduate student Carl Ulberg, center, and Victor Kress, of the Pacific Northwest Seismic Network, assemble and test a passive seismic station design in Kress’ home’s backyard in Lake Forest Park, Wash., on May 12. Up to 70 of the seismic stations will be installed up to 30 miles from Mount St. Helens for “passive” tests that will measure natural seismicity.