that's all the birds in oklahoma taking off and flying away all at once. that happened at 6:47 a.m. on the morning of saturday, september 3. all the birds in the state flew away to the point where it was captured on weather radar. the birds took off apparently because they knew something was coming. because 15 minutes after they did that, 15 minutes after 6:47 at 7:02 a.m. something did happen. 7:02 a.m. saturday morning september 3 there was an earthquake in oklahoma. and the birds knew it was coming. isn't that weird? it was a big earthquake, though. it was the biggest earthquake to ever hit oklahoma. in fact it was the biggest earthquake to hit the continental united states in the last two years. >> nearly a full minute of shaking in oklahoma, a state now rivaling california as earthquake country. >> it was the biggest one i've ever felt. >> today a 5.6 quake in the small town of pawnee. >> i've got to have you inspect