"That was a rather large explosion," Cooper could only say when he recovered. "It's actually set off a number of car alarms, but that was probably the largest explosion we've heard in the last hour," the CNN anchor added.
That's not the only explosion Cooper has seen or heard since his arrival in Gaza. Here are a few of the anchor's Twitter dispatches from the region:
Bldg hit by multiple rockets. Saw them slam into lower floors. Ran to scene. Bldg on fire. ambulance crews pulled out 1 man severely burned— Anderson Cooper (@andersoncooper) November 19, 2012
Multiple explosions about 4 blocks from my location #gaza. Incoming— Anderson Cooper (@andersoncooper) November 19, 2012
Though Israel recently agreed to put off a ground offensive in Gaza to allow for cease-fire talks, violence has continued to escalate, with Israeli airstrikes killing 15 people in Gaza on Monday.