A deliveryman at a Santa Rosa tile business suffered major injuries Thursday after being crushed under four tons of granite that landed on him, the Santa Rosa Fire Department reported.

Six granite slabs fell on the man while he was unloading a truck around 1:15 p.m. at Ceramic Tile Center on Santa Rosa Avenue, Battalion Chief Ken Sebastiani said. Each of the slabs measured about 6-by-10 feet and all together weighed about 8,000 pounds, he said.

Firefighters used a hydraulic tool, airbags and a ladder truck to free the man, who wasn’t identified.

“It took about 10 minutes to get him out from underneath,” Sebastiani said.

It remains unknown how the slabs slipped off the truck boom, Sebastiani said. It’s likely the man worked for an outside vendor and was just delivering the stone to the business, he added.

Ceramic Tile Center officials did not return multiple messages.

A Cal-OSHA spokeswoman confirmed the agency is investigating the incident and had a representative on scene shortly after the accident was reported. Santa Rosa police are also investigating, according to Sebastiani.

Anniversary events

What: Afternoon of Recognition hosted by Amaturo Sonoma Media Group

When: Noon to 5 p.m. Sept. 30

Where: Old Courthouse Square

More details: heroesofoctober.com

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What: Wildfire Anniversary Event: Community Healing Together. All-ages event to with art activities, musical performances, guided hikes, and food.

When: 11 a.m. to 6 p.m. Oct. 6

Where: Shiloh Ranch Regional Park, 5750 Faught Road

More details: https://parks.sonomacounty.ca.gov/Play/Calendar/Wildfire-Anniversary-Event/

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What: Museums of Sonoma County opening reception for “From the Fire: A Community Reflects and Rebuilds,” which runs through Jan. 27

When: 3-6 p.m. Oct. 6

Where: 505 B St., Santa Rosa

Tickets/more details: museumsc.org/events.

*The event is the first in a larger series through the month of October, including an Oct. 25 event from 7-8:30 p.m. at 505 B St. featuring Press Democrat journalists discussing the fire coverage that earned the newspaper a Pulitzer Prize.

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What: Together in Hope, a prayer gathering in solidarity to honor and remember the resiliency and recovery from the North Bay Fires.

When: 2 p.m. to 4 p.m. Oct. 7

Where: Cardinal Newman High School Field, 50 Ursuline Road.

More details: http://santarosacatholic.org/TogetherInHope

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What: County of Sonoma and City of Santa Rosa’s ceremony, featuring chalk for artistic expression on sidewalks around Courthouse Square.

When: 4 – 8 p.m. Oct. 8, with a ceremony with a reading by Sonoma County Poet Laureate, Maya Khosla, and a firefighter memorial bell ringing begins at 6 p.m. Chalk will be available from 10 a.m. to 6 p.m. Oct. 9

Where: Old Courthouse Square

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What: La Luz Center’s appreciation of community resiliency, featuring food, art activities, resources and a listening session in Spanish conducted by Sustainable Sonoma.

When: 6-8 p.m. Oct. 8

Where: La Luz Center, 17560 Greger St. Sonoma

RSVP: amanda@laluzcenter.org

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What: Honoring Loss, Rising in Hope – an evening of singing, prayer and reflection.

When: 7 p.m. Oct. 9

Where: First United Methodist Church, 1151 Montgomery Drive

More details: Contact Pastor Lindsey Bell-Kerr at Lindsey.Bell-Kerr@fumcsantarosa.org

www.heroesofoctober.com

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What: One-year remembrance gathering hosted by Coffey Strong

When: 7-8 p.m. Oct. 9

Where: Near the intersection of Hopper Avenue and Coffey Lane

More details: facebook.com/events/2123622767957025