If you know of a safer place. Go there. If not. Get in your bathroom, preferably with a tub, and cover yourself with pillows IN THE TUB. Sounds funny but that's safer because of the plumbing pipes and weight of the tub.
Stay safe.
That is the best after basement. If too few, get between doorway in center of building. If the house implodes, not great, but if roof blows off or tree falls on building , ya got a chance.
"The government is a child that has found their parents credit card, and spends knowing that they never have to reconcile the bill with their own money"-Shannon Churchill