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15 April 2016

Japan Quake Rocks Seismographs World-Wide. Major Damage Reported

The seismogram (above) at Towson, Maryland clearly shows the strong japan quake that occurred at 11:25 AM EDT this morning. It took about an hour for the first waves of the quake to reach the Eastern U.S., and seismograms around the world have been showing this quake very clearly, including one at Palmer Station in Antarctica. The difference in the arrival time of the “p” and the “S” waves indicates how far away …

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