Live in an active declared disaster area. Any interest on taxes owe?

Hello TT Community!

 

I'm currently residing in an active declared disaster area: https://www.fema.gov/locations/california which means that the extension for filing is Oct 16th instead of April 18th.

 

I've started on filing my taxes in TurboTax and haven't submitted yet. I have taxes owe. Does the extension here also imply that interest and fees will not incur until after Oct 16th? Or does interest start at original filing date (April 18th) and if I have file in Oct 16th I will have to pay the interest starting on that date?

 

Thank you!