BLYTHE (CBSLA.com) — Authorities Thursday released the names of four people killed earlier this week in a tour bus accident on Interstate 10 near the California-Arizona border.

Jessica Garcia, 30, of Chula Vista; Luz Rivera, 44, of Compton; Angel Hernandez, 49, of Hacienda Heights; and Pablo Ramirez, 67, of Pico Rivera were killed early Wednesday morning in Blythe.

READ MORE: No. 13 BYU Rallies From Blown Lead To Beat USC 35-31

The accident happened when a big rig, driven by Victor Esteban Galvan, jackknifed in the eastbound lanes and spilled its load of metal pipes across the freeway.

READ MORE: Suspicious Vehicle Prompts Response From SWAT, Beverly Hills Police

The bus, operated by El Paso-Los Angeles Limousine Express, was carrying 32 people when it hit the pipes, rolled 40 to 50 feet off the roadway, down an embankment and landed on its side.

Nearly three dozen people were also hurt in the crash, with injuries ranging from minor to critical.

MORE NEWS: UCLA Runs Past Cal 42-14 To Wrap Up Eight-Win Regular Season

(©2014 CBS Local Media, a division of CBS Radio Inc. All Rights Reserved. This material may not be published, broadcast, rewritten, or redistributed. Wire services contributed to this report.)