My Google Adsense January 2016 earnings fell dramatically. After researching and reading the support pages, it seems it’s normal.
This is how I got my Google AdSense account back – Account Disabled for invalid click activity
I got back my Google Adsense account by working extremely hard to prove that I did nothing wrong to lose it.
Account Disabled for invalid click activity – Alternatives to Google AdSense
Alternatives to Google AdSense after your account disabled for invalid click activity is not very hard to find and it can be profitable.