This app does not do anything in itself, but upgrades the free Volcanoes & Earthquakes App:
https://play.google.com/store/apps/details?id=com.volcanodiscovery.volcanodiscovery

All you need to do is have this upgrade installed ONCE and Volcanoes & Earthquakes will run in advanced mode with the following benefits:

- no advertising
- show listing of quakes you might have felt
- fastest notifications & earthquake alerts (down to magnitude 2 if you want)
- additional features current and future, e.g. incl. small earthquakes (magnitude 1+) for up to 7 days
- applies for all future updates: you only need to buy this upgrade ONCE.