Ceres is a city in Stanislaus County, California. Its population was 49,302 at the 2020 U.S. Census, up from 45,417 at the 2010 U.S. Census. It is part of the Modesto metropolitan statistical area. From Wikipedia
The device was taken to a secure site by specialized bomb technicians for neutralization; the occupant was arrested on explosives charges with investigators keeping the probe active