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Observations of 2013 DPRK Earthquake | Understanding Magnitude and Location

In this study, observations of the 2013 DPRK earthquake are analyzed, focusing on location, magnitude, waveform similarity, and explosive characteristics. The earthquake's depth, magnitude, and waveform similarities over different years are discussed, providing valuable insights into seismic activities.

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Observations of 2013 DPRK Earthquake | Understanding Magnitude and Location

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  1. DPRK 2013

  2. Selected observations

  3. Location and magnitude 12/02/2013 02:57:51 UTC 41.32N 129.08E - depth fixed to surface mb 4.93 based on 21 observations Ms 3.97 based on ~dozen stations

  4. Waveform similarity • 2009 and 2013 waveforms almost identical across detecting stations • 2006 waveforms very similar to 2009 & 2013 waveforms • 2013 ~ 2.5x 2009 • 2009 ~(5-6)x 2006 2006 2009 2013 Station ASAR

  5. 2013 test relative to 2009 and 2006 2006 to 2013 2013 to 2009

  6. Explosive characteristics 4-8Hz 0.5-2Hz 4-8Hz 0.5-2Hz

  7. Surface waves

  8. DPRK 2013 mb:Ms IDC provisional event screening criteria

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