Make sure that you've selected 'Notify subscribers' under 'Advanced settings'. Also double check if your subs have all notifications enabled and not the occasional option. Here's how: https://goo.gl/V3WPcQ . Hope this helps.
You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more
Make sure that you've selected 'Notify subscribers' under 'Advanced settings'. Also double check if your subs have all notifications enabled and not the occasional option. Here's how: https://goo.gl/V3WPcQ . Hope this helps.