Eight sex offenders wanted for a variety of offenses were arrested in Contra Costa County during a sex offender sweep earlier this month, authorities said.

The sweep, which began Sept. 12, was led by the U.S. Marshals Service and aided by the Contra Costa Sheriff's Office, targeted some sex offenders wanted for various crimes and others for compliance checks, U.S. Marshal Deputy Joseph Palmer said. More than 70 sex offenders passed those compliance checks, Palmer said.

The U.S. Marshals Service did not release the names the eight arrested, nor did they cite specific charges.

The Alameda County Sheriff's Office, Santa Clara Sheriff's Office and California Highway Patrol also helped with the checks, as did a fugitive-apprehension team from the state Department of Corrections.

Contact Rick Hurd at 925-945-4789 and follow him at Twitter.com/3rdERH.