The second (empty) page has a canonical pointing back to the first. It’d be better if these pages didn’t exist unless there is a specific technical reason explaining their existence.
I’m not sure how to delete the associated blank page. Any ideas?
The second link (with the page=1) represents “the second page of results” intended for non-javascript browsing and is generated dynamically, it’s not a standalone page.
Thanks for the explanation! I came across it during an audit of my instance. It sounds like there is a functional reason behind the (seemingly) duplicate pages so SEO won’t be affected.