I found this info from globalsecurity.org.
FACTBOX: "THE MOTHER OF ALL BOMBS"* Dropped from rear of cargo plane at about 10,000 feet.
* Falls with a parachute so the plane can get away, then bomb directed to its target by a global positioning system device.
* Has a device similar to Doppler radar that tells it when to explode, usually igniting several hundred feet in the air to create maximum effect.
* Explosives inside are called Fuel Air Explosives, which spread a mist of flammable gases that then ignite creating a powerful explosion.
BOMB RADIUS DAMAGE
* Up to 1,000 yards: Obliterates everything.
* Up to 1 mile: Knocks people, tents, light buildings, cars and jeeps over within 1-mile radius.
* Up to 1.7 miles: shock wave kills people, causes severe damage to buildings, equipment, blows trucks, tanks off road.
* Up to 2 miles: causes deafness.
* Up to 5 miles: shakes ground, breaks windows.
* Up to 30 miles: 10,000 foot high mushroom cloud visible.
[Source The Lexington Institute and Globalsecurity.org]
GRAPHIC: THE MOAB (Massive Ordnance Air Blast)