Zzzap can see people from thousands of feet away

Back on the island he could see people running. And dying. Even from a few thousand feet away, they were bright yellow-and-orange outlines against the cool blue of the tanker’s deck. Electromagnetic auras crackled around them.

Excerpt From Ex-Isle, pg 629
Peter Clines
https://books.apple.com/us/book/ex-isle/id989619017