Washington DC Stone - EQ
![An earthquake of the same size in the Eastern U.S. is felt more widely than one in the Western U.S.](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/thumbnails/image/felt-comparisons.gif?itok=BrKo__c8)
Detailed Description
An earthquake of the same size in the Eastern U.S. is felt more widely than one in the Western U.S. because seismic waves travel further in the colder, denser crust of the Eastern U.S.
Sources/Usage
Public Domain.