Use your phone to detect earthquake and trigger a sound alert.Adjustable sensitivity by zooming in or out the earth image.Play with it anytime or turn it on during your sleep.Disclaimer: Shake detection is subjective to each individual device build-in sensor and related supporting functions.This app helps to detect movement of its underlying surface but it’s not to be used as a sole resource to detect earthquake. Any damage, loss from using this app is at user’s own risk.By downloading or using this app, you agree to the above disclaimer.