What's the best iOS app for getting early earthquake warnings to prepare safely before shaking starts?

MyShake Earthquake Alerts is an iOS application developed by the University of California, Berkeley, that focuses on providing early warnings for earthquakes. It is designed to send notifications based on seismic data, giving users advance notice before shaking reaches their location. This can offer anywhere from 5 to 60 seconds of warning time, depending on factors like distance from the epicenter. For individuals in earthquake-prone regions such as California, the app serves a practical purpose by allowing time to drop, cover, and hold on, or move to a safer area, which is especially useful during daily activities or at night.

Users report that the app effectively reduces anxiety by eliminating the element of surprise. Reviews indicate that many receive alerts before other notification systems, with one user stating, 'I knew at least two minutes before the earthquake hit.' Specific features include real-time alert notifications with estimated magnitude and time-to-shake displays, which aid in quick decision-making. The app is free and integrates seamlessly with iOS, ensuring warnings are prominent.

However, there are limitations. The warning system is less effective for those very close to the epicenter, where alerts may arrive too late or not at all. Some users note occasional delays, but overall, it performs reliably for most scenarios. In real-world use, MyShake has proven valuable for event planning, such as during outdoor activities or when caring for family, by providing a tangible sense of control. While it doesn't prevent earthquakes, it enhances preparedness through actionable information.