What event is an example of ultrahazardous activity in legal terms?

The great molasses flood is a prime example of an ultrahazardous activity in legal terms because it involved the release of a large volume of a hazardous substance—specifically, molasses—resulting in significant damage and injury. In tort law, ultrahazardous activities are characterized by the high risk they pose, which is not typical of everyday activities. Such activities are inherently dangerous, and those who engage in them are held to strict liability standards, meaning they can be held responsible for any resulting harm, regardless of the precautions taken.

In contrast, a regular sports event, minor household repairs, and a community trash collection day represent activities that, while they may involve some risks, do not meet the criteria of ultrahazardous activities. These activities are typically governed by different standards of care and liability, where the level of risk is much lower and predictable. Therefore, the great molasses flood stands out as a significant event that exemplifies the legal concept of ultrahazardous activity.