Some people thought they were explosions. Some thought it was the mountain erupting. But last week's sonic booms actually came from a pair of F-15 Eagle fighter jets from the 142nd Fighter Wing, Oregon Air National Guard in Portland, Ore.
They hit supersonic speeds in pursuit of a seaplane that breached restricted air space and got too close to President Obama's plane. How did those jets get here so quickly?
Story by Saint Bryan, Evening Magazine.