@MarianneWerzOBrien I think you may have asked this earlier and I forgot to respond, sorry.
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1: No more or less than in a similar sized major building fire. That being said: There is a Shelter-in-Place order for San Diego in and around the pier area.
2: Aprox 1/3rd of the ships that were visible in the immediate area yesterday have already been moved (most last night). The remaining probably don't have functioning engines & skeleton caretaker crews. They do have oxygen masks/gear.