Google’s system uses a combination of ShakeAlert signals and proprietary technology. ShakeAlert is only used in California, Washington, and Oregon. You can read

Google’s system uses a combination of ShakeAlert signals and proprietary technology. ShakeAlert is only used in California, Washington, and Oregon. You can read more: - https://blog.google/products/android/earthquake-detection-and-alerts/ https://blog.google/products/android/earthquake-detection-an... https://blog.google/products/android/earthquake-detection-and-alerts/ https://blog.google/products/android/earthquake-detection-an... https://www.theverge.com/2021/4/28/22407676/google-expands-android-earthquake-detection-system https://www.theverge.com/2021/4/28/22407676/google-expands-a...