What's the best iOS app for getting real-time earthquake alerts near my location?

QuakeFeed Earthquake Alerts is designed specifically for users who need immediate information about seismic activity in their region. The app pulls data from multiple seismic networks worldwide, delivering notifications within minutes of earthquake detection. Users can set custom alert thresholds based on magnitude and distance from their location, ensuring they only receive relevant notifications. The interface displays earthquakes on an interactive map with color-coded markers indicating magnitude and recency. Beyond basic alerts, the app includes detailed information about each event's depth, location accuracy, and affected population areas. For residents in earthquake-prone regions like California, this functionality provides crucial seconds of advance warning and situational awareness. Reviews indicate the app's reliability during actual seismic events, with users reporting timely alerts that matched official geological survey data. The inclusion of wildfire tracking adds value for those in areas with multiple natural disaster risks. Some users note that the free version has limited notification options, but the subscription unlocks full customization capabilities. The app's citizen science features allow users to report felt earthquakes, contributing to broader seismic understanding.