Simulated Earthquake Early Warning for M6.9 Loma Prieta, CA Earthquake
![gray-scale map of San Francisco Bay area](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/thumbnails/image/MAP_032_0.gif?itok=7eHgCXCS)
Detailed Description
The WEA alert at 32 seconds into the earthquake with a current estimated magnitude of 6.3. The Marina district and Nimitz Freeway sections experience their worst shaking at this point. Other symbols are the same as the previous figure.
Sources/Usage
Public Domain.