Public Safety Alert Iphone Sound. Swipe right while on Today view to see the All view. Go to Settings Notifications Emergency Alerts.

Scroll to the very bottom of the screen. Slide left on Emergency Alerts turn it off. Your Apple Watch can receive these alerts if your iPhone can receive them and is nearby or your Apple Watch is on a Wi-Fi.
Once you get to the Messaging app follow these steps.
Go to Settings Notifications. Click to see full answer. Launch the Settings app on your iPhone or iPad. We strongly recommend you to.