Map showing seismicity around Mount St. Helens on Jan 3, 2018.

Map showing seismicity around Mount St. Helens on January 3, 2018....

Detailed Description

Map showing seismicity around Mount St. Helens on January 3, 2018. Circles represent earthquakes of relative size, blue occurred within the past two days, yellow within the past week. The Magnitude 3.9 earthquake and aftershocks are the cluster of blue circles to the east of Spirit Lake.

Details

Image Dimensions: 960 x 896

Date Taken: