There has an Home that Exploded a few miles away, and I thought this would be a good call. It can be expanded on to consist of Office Buildings, Government Buildings, Vehicle Explosions...
For the Explosion in a Home:
3 - Engines
1 - Ladder
1 - Rescue Truck
1 - Battalion Chief
1 - Air Unit
Multiple EMS and Police Units
Have up to 5 patients, and have a pay out of $1500 Credits