“We don't know what caused the booms that people have heard, but I can tell you they were not earthquakes,” said Leslie C. Gordon, geologist and spokeswoman for the U.S. Geological Survey for the Pacific Northwest.
Gordon said she checked with the University of Washington, which runs the seismic network in the Pacific Northwest, to see if there had been any seismic activity in the area.
“It is clear that the 'boom' was transmitted through air, as there was very little coupling with the ground. We looked but could not see anything on our seismograms,” UW researchers replied.
Iron ore rally overshot
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The iron ore bear market rally needs a new spur as steel and margins stall:
Dalian futures likewise look toppy: And coking coal: Steel output is still
ri...
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