Authorities Friday were looking for the driver of a red Honda Civic who reportedly crashed into a motorcyclist on southbound Highway 101 then fled, abandoning the injured rider, CHP officials said.

A CHP officer on the highway near Steele Lane heard the rider yelling for help at 12:02 a.m. and saw Brandon Ashby, 29, of Santa Rosa, leaning against a guard rail, Officer Jon Sloat said.

Ashby’s motorcycle, a 1994 Honda, was on its side in the right lane just north of the Steele Lane on-ramp to the southbound highway.

Ashby was taken to Santa Rosa Memorial Hospital with moderate injuries including what appeared to be a broken ankle, dislocated shoulder and road rash across his body, Sloat said.

Ashby told the officers he was heading south at about 65 mph when he was rear-ended by a car that drove away from the scene. Car parts strewn across the roadway came from a red Honda Civic, likely a model produced between the years 1996 and 2000, Sloat said. The Civic should be missing its left front black plastic inner fender well, its driver’s side horizontal door strip and it may have other damage to the left front side, Sloat said.

Anyone with information about the case can call the CHP at 707-588-1400.

You can reach Staff Writer Julie Johnson at 707-521-5220 or julie.johnson@pressdemocrat.com. On Twitter @jjpressdem.

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

...

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

...

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

...

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

...

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