depending on your vehicle, it could be the engine timing. when the vehicle is parked and running open the hood and look at the motor, if its shaking alot, its usually timing.
The violent shaking of the brain is called a concussion. It can occur due to a sudden impact to the head, causing the brain to move rapidly back and forth within the skull. Symptoms can include confusion, dizziness, and memory loss.
Shaking baby syndrome
Violent shaking and vortexing of my tubes sounds particularly painful. -I will avoid that at all costs!
An earthquake is a violent shaking of earth's crust. Earthquakes commonly occur along transform boundaries, where one plate grinds by another.
CONCUSSION
Yes
Violent shaking can cause certain soils to flow. The shaking results from a nearby earthquake.
concussion
Concussion.
The most violent shaking during an earthquake typically occurs closest to the earthquake's epicenter, where the seismic waves are strongest. As you move further away from the epicenter, the shaking intensity decreases.
At the epicentre which, is the central point from which it originates.
The finterwallies are violent shaking in the arms and knees