Earthquake Alarm description

Some earthquakes occurat night, when people are sleeping. We could not predict it,but we could definitely wake you up at the earliest time. Try the smartest earthquake alarm app ever.
Features:
1.It will give alerts at the earliest time.
2.Fully visible adjustment of sensitivity.
3.By pre-setting emergency contact, you could quickly send out thelocation by email or SMS.
4.Two simple clicks to ask for help or report safety in case of an earthquake