Little apocalypse

Celia has felt lonely ever since moving to a new city, so maybe the sad-looking boy she has seen around the apartment building could be her new friend. A sudden earthquake then strands Celia in the city while her parents are out of town, and she is recruited by a group of kids called the Hunters who claim the quake was caused by monsters that only kids can see--and Celia is destined to save them all.