ShakeMap Directivity Map
By Earthquake Hazards Program
1994 (approx.)
![ShakeMap with a color gradient to display directivity after an earthquake.](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/media/images/directivity.jpg?itok=xhLikQln)
Detailed Description
This ShakeMap of the January 17, 1994 M6.7 Northridge earthquake shaking shows the result of rupture directivity toward the north.