| 1. | Therefore, they appear later than P-waves on a seismogram.
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| 2. | Therefore, on seismograms, each line measures thirty minutes.
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| 3. | This is a more efficient way to read a seismogram.
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| 4. | Seismograms from Riverview were used to estimate the magnitude of the earthquake.
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| 5. | Seismograms can record lots of things, and record many little waves, called microseisms.
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| 6. | Today, many other forms are used to digitally record the seismograms into digital medias.
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| 7. | The next set of seismic waves on the seismogram will be the S-waves.
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| 8. | The NEIC uses seismograms recorded in the United States as well as around the globe.
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| 9. | Rayleigh waves thus often appear spread out on seismograms recorded at distant earthquake recording stations.
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| 10. | Minute marks count minutes on seismograms.
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