Measuring a crack in sandy sediment along the Knik River, Alaska
![measuring tape in snow used to measure a crack in sandy sediment along the Knik River, Alaska](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/thumbnails/image/4H3A4255.jpg?itok=O7AEhJp3)
Detailed Description
Exposed sand within a extensional crack along the Knik River, Alaska. Measuring a crack in sandy sediment along the south bank of the Knik River. This crack was one of many that opened across the Anchorage and Mat-Su region due to strong shaking during the M7.1 November 30, 2018 Anchorage earthquake.
Sources/Usage
Public Domain.