Race officials have confirmed that today's Verizon IndyCar Series race at Sonoma Raceway in California will go ahead as planned, despite a major earthquake in the region overnight.
The 6.0-magnitude quake was the biggest in the area for almost 25 years, and had its epicentre just 10 miles away from the race track near American Canyon, at a depth of 6.7 miles.
Drivers and team personnel staying at nearby hotels in the area were shaken awake by the quake, and many tweeted pictures of the dame to their rooms by the shaking.
There have been reports of two serious injuries in the Napa area, and 10,000 homes in the area are still without power. However, closer to the racetrack there have been no reports of significant damage to infrastructure with most roads reported to be open as normal on Sunday morning.
Sonoma Raceway itself issued an early press release confirming that there had been no damage to the race track.A ll major systems, including the 12-turn road course, have already been inspected by officials.
The track confirmed that no fans or campers staying at the facility overnight had injured during the quake, and added that all emergency responders would be on-site for the race this afternoon as planned.
The 85-lap race is slated to take the green flag at 1:40pm local time (9.40pm BST). Will Power will take pole position for the penultimate race of the season as he bids to finally clinch the IndyCar Series championship for the first time.
Race fans heading to the track were advised to check current reports and road conditions for the best routes to and from the raceway in case of any late-notice alterations.
There is also a high likelihood of minor aftershocks in the area over the next week, although nothing that should affect the running of the race.