Word: steim
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Seismology has come a long way from wobbly pens recording earthquakes as spikes on a roll of paper. Today's equipment, using technology designed by Dr. Joseph M. Steim '78 for his Harvard Ph.D. thesis, measures the motion of the earth as an electric signal which is recorded into a computer...
...earthquake was apparently the result of the Adirondack region's slow physical secession from the rest of New York State, according to Joseph Steim, a research assistant in the department of Geological Sciences and a seismologist at Harvard's Oakridge observatory at Harvard, Mass. "The entire region has been undergoing a general uplift for more than a hundred million years," Steim added, explaining that "nonuniform stresses within the region results in fracturing...
...Steim said that the earthquake was an isolated one, and did not portend an increase in terranean activity in the future...
...first aftershock took place at 11:45 a.m. on Saturday, with a magnitude of five on the Richter scale. Joseph M. Steim, a graduate student in Geology, said he was lying on a coach in Brookline when he felt a "very subtle" sway...
...Steim said he knew it was an earthquake because the frequency of vibration was lower than one would expect from an explosion or a truck rumbling. Another giveaway was the complete silence that accompanied the sway, Steim said...