Alabama has minimum auto insurance requirements of 20/40/10. This stands for liability limits of $20,000 of bodily injury coverage for one person, $40,000 of bodily injury coverage per accident and $10,000 of property damage coverage.
The penalty for motorist found driving without insurance in AL can vary but typically range from a $500 fine and potential license suspension for the first offense up to a $1,000 fine and license revocation for multiple offenses. It sounds like you also did not stop after the accident which this could be considered a hit and run and could come with stiff penalties of its own if the other driver got your license plate and reported it to the authorities.
You should get insurance on your vehicle before driving anymore on the roads of Alabama. You can get a free car insurance quote here.