wonderful for sure, but not a miracle. A miracle would be "all 1,000,000 people survived". Media likes to throw words with weight behind things without. It's not a miracle, it's extremely fortunate. However, any loss of life due to preventable disaster is/should be - unacceptable. The coast guard aircraft crewmen that were struck shouldn't have been near the runway at all. They should have waived off to go-around or been better at ground operations to make sure the runways were clear.
1. an extraordinary event manifesting divine intervention in human affairs
the healing miracles described in the Gospels
2. an extremely outstanding or unusual event, thing, or accomplishment
The bridge is a miracle of engineering.
3. Christian Science : a divinely natural phenomenon experienced humanly as the fulfillment of spiritual law
Most of the people surviving an event where they would have been expected to die certainly qualifies as "an extremely outstanding or unusual event, thing, or accomplishment".