Around 9:20 a.m., ABC7 received several calls from viewers wondering whether the shaking was from an earthquake.
RELATED: Hundreds of small earthquakes reported following 6.0 near California-Nevada
Dr. Jones confirmed seismograms that show the Earth didn't move.
[Ads /]
A Federal Aviation Administration spokesperson said the rattling most likely came from a military aircraft.
There were no immediate reports or damage or injuries.
VIDEO: Video shows boulders scattered on NorCal highway after earthquake
Video shows boulders scattered on NorCal highway after earthquake
NASA describes a sonic boom as "the thunder-like noise a person on the ground hears when an aircraft or other type of aerospace vehicle flies overhead faster than the speed of sound or supersonic."
[Ads /]
As NASA puts its, "Air reacts like a fluid to supersonic objects."
NASA says as objects travel through the air, the air molecules are pushed aside "with great force and this forms a shock wave much like a boat creates a bow wave. The bigger and heavier the aircraft, the more air it displaces."
VIDEO: Video shows 'dust waterfall' as CA earthquake sends rocks crashing down Sierra Mountains
Video shows 'dust waterfall' as CA earthquake sends rocks crashing down Sierra Mountains
RELATED STORIES & VIDEOS:
- MAP: Significant San Francisco Bay Area fault lines and strong earthquakes
- Most powerful earthquakes in California history above 7.0 magnitude
- Earthquake scale: How they are measured and what the magnitude and intensity scales mean
- What is an earthquake? This is what happens when the ground starts to shake
- California Dreaming: Earthquakes and the danger we live with every day
- From the Archives: ABC7's Peabody Award winning coverage of 1989 Loma Prieta earthquake
- PHOTOS: The Loma Prieta Earthquake
- What to pack in your earthquake emergency kit
- Prepare NorCal: Disaster Preparedness Resources
- Pet preparedness: How to keep your furry babies safe during a disaster or emergency
- A look into ShakeAlert warning system after 6.0 NorCal quake notification rattles Bay Area
- Prepare NorCal: Disaster Preparedness Resources
- ABC7 Originals Documentary: 'The Earthquake Effect' provides in-depth coverage on Bay Area's readiness for the next major earthquake
[Ads /]