The vibrations sent out by the earthquake in New Zealand yesterday afternoon took 19 1-4 minutes to reach Cambridge, the seismograph at the Harvard station revealed.
The upheaval was recorded here at 6.06 o'clock, which corresponds to early Wednesday morning in New Zealand. The waves, in their progress to Cambridge, had to travel some 9,000 miles; and in the course of their long trip they penetrated the central core of the earth, which is about 1800 miles below the surface.
The vibrations continued for over three hours, with a maximum displacement of 1-100 of an inch.
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