These include hearing a roaring or sucking noise, seeing the ocean suddenly pull back or rise, or feeling a strong earthquake that lasts more than twenty seconds.

VOA: special.2011.06.07

And,this is the mechanism that leads into this vicious cycle where you suddenly do not see or do not perceive to have any alternative."

VOA: standard.2009.08.21

"We have to improve health care in general for everyday need and everyday purposes and if it does not work on an everyday basis of course in a crisis or in a disaster it is not going to suddenly work better,".

VOA: standard.2009.10.14