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This graphic from the U.S. Geological Survey's Earthquake Hazards Program shows a shake map from the magnitude 6.3 explosion-generated earthquake that took place Sept. 3, 2017, 22 kilometers east-northeast of Sungjibaegam, North Korea. A shake map is a product of the USGS Earthquake Hazards Program in conjunction with the regional seismic networks. Shake maps provide near-real-time maps of ground motion and shaking intensity following significant earthquakes.