North Korea quake 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. U.S. Geological Survey graphic SHARE: Download: Full Size (0.12 MB) Credit: USGS VIRIN: 170903-G-ZZ999-999.JPG Photo Gallery