About 300 terror suspects have been arrested since a series of sucide attacks in Surabaya.
Soldiers pull a man alive from flattened mosque; tourists and residents describe terror when temblor roared.
Devastating temblor leads to cancellation of counterterrorism meeting to be attended by foreign ministers from Indonesia, Australia, New Zealand and Myanmar.
Terror group blamed for suicide bombings involving children in Surabaya city in May.
