1.How to get the location?

A. By default the app pulls the information from your ios device.
B. You also can manually reset the location by going to the app's settings >"Set Location", Long press to place a pin on the map, can also be long press pin drag, you can change it any time.

2.Why don't I receive push notifications?

A. Be sure your ios device is enabled to receive push notifications, Click Settings>Notificatons(be sure this is "On")>Earthquakes(make sure this is set to "On")
B. Be sure this is "On" for 'Receive notifications' in the application settings.
C. In settings, check the "Receive Time", By default, it's set for 8:00 am to 8:00 pm.
D. In settings, check the magnitude you set to receive notifications, the default is set to 6.

3.How do I reset or change my Facebook or Twitter account?

Go into the app's Settings, and click "Sharing accounts Logout", This action will logout from all sharing accounts.