The flood revealed various inadequacies in decision making and infrastructure, although the unprecedented magnitude of the disaster can be seen as a mitigating factor.

The S.E.C. said in a statement released early today that the disclosures confirmed "accounting improprieties of unprecedented magnitude."

We're witnessing a meteorological phenomenon of unprecedented magnitude, a global cyclone accelerating at a uniform rate, exhibiting all the signs distinguishing highly stable aerodynamic systems.

The SEC said WorldCom's accounting improprieties were of "unprecedented magnitude".

The magnitude of this fraud, unprecedented in history, is tantamount to mass murder.

It appears that we are being drawn toward the gate by gravitational turbulence of unprecedented magnitude.

I predict a financial collapse of unprecedented magnitude in the decades ahead.

In my home district of Perk, we had a total of three flash floods and mudslides of unprecedented magnitude within a month.

The report talks about heat waves of unprecedented magnitude and about species extinction of up to 70% being caused by climate change.

In the wake of this defeat, Athens found itself facing a crisis of unprecedented magnitude.