Update: Forward Progress of Riverside County Viper Fire Stopped at 0.5 Acres; Crews Staying for Mop-Up
RIVERSIDE COUNTY — Forward progress of the Viper Fire, a brush fire burning along San Timoteo Canyon in Riverside County, California, has been stopped. According to the CAL FIRE incident page, the fire has burned 0.5 acres, and an update at about 4:10 p.m. on Monday, October 19 confirmed that forward progress had been stopped; firefighters will remain on scene for several hours building hose lays around the fire and mopping up hot spots.
As GSM reported earlier, the fire was first reported at 3:24 p.m. the same day and logged in the federal Interagency Initial Attack system (IRWIN), with CAL FIRE's Riverside Unit (Riverside County Fire Department) as the protecting agency. CAL FIRE lists the location as San Timoteo Canyon Road and Live Oak Canyon Road, southwest of Yucaipa; the spot sits on the Riverside–San Bernardino county line, and Watch Duty geocodes the address as San Timoteo Canyon Rd at Redlands Blvd, Redlands. Cooperating agencies include CAL FIRE's Riverside and San Bernardino units, the Redlands Fire Department and San Bernardino County Fire, which initially sent multiple engines, crews and one helicopter.
On size, CAL FIRE's official figure matches Watch Duty's 4:27 p.m. reading of 0.5 acres; the 0.25 acres initially logged in IRWIN was an early estimate. As of the latest update there are no injuries and no structures damaged or threatened, no evacuation orders or warnings have been issued, CAL FIRE has not yet posted a containment percentage, and the cause remains under investigation.
Published by GSM · USA (original Chinese edition)
Photo: 图：Viper Fire 最新态势图，Watch Duty 截图（美西时间10月19日16时27分截取）。火点位于 Redlands 以南、San Timoteo Canyon 一带，地处河滨县与圣贝纳迪诺县交界；Watch Duty 显示过火 0.5 英亩、蔓延已遏止。图片来源：Watch Duty。Latest situation map of the Viper Fire, Watch Duty screenshot taken at 4:27 p.m. PDT on Oct. 19. The fire sits south of Redlands along San Timoteo Canyon, on the Riverside–San Bernardino county line; Watch Duty shows 0.5 acres with forward progress stopped. Image: Watch Duty.
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- 2026-10-19Update: Forward Progress of Riverside County Viper Fire Stopped at 0.5 Acres; Crews Staying for Mop-UpThis story
