If you receive a warning and you are indoors, move into the basement if you have one, or into a center hallway or windowless room as far from the home's outside walls as possible. Duck under a sturdy piece of furniture and hang on.
Lee Jae-won / Reuters / File
South Korean high school students practice an earthquake drill at Osan high school in Seoul, in this 2000 file photo. In the event of either an earthquake or a tornado, stay away from windows – go into an interior hall or a basement, if possible – and duck under a sturdy piece of furniture.