An estimated 300,000 to 500,000 people were evacuated by boat in fewer than nine hours on Sept. 11, making it the largest sea evacuation in American history.
Evacuation orders remained in place for about 50,000 people in Garden Grove, California, located south of Los Angeles.
At least 50 people were reportedly displaced by the collapse.
Emergency crews battled a blaze and evacuated patients from a hospital Wednesday night in Pennsylvania as fire engulfed part of the facility, according to officials.
Some personnel at a key U.S. military base in Qatar have been advised to evacuate by Wednesday evening. The decision came as a senior official in Iran brought up an earlier Iranian attack there.
A leaking tanker truck spewed dangerous ammonia gas in a hotel parking lot, forcing hundreds of residents in a small Oklahoma city to evacuate and sending several dozen people to the hospital, authorities said Thursday.