Seismic zone

In seismology, a seismic zone or seismic belt is an area of seismicity potentially sharing a common cause. It may also be a region on a map for which a common areal rate of seismicity is assumed for the purpose of calculating probabilistic ground motions. An obsolete definition is a region on a map in which a common level of seismic design is required.[1]

A type of seismic zone is a Wadati–Benioff zone which corresponds with the down-going slab in a subduction zone.[2]

Examples
gollark: I see. I don't actually know anything about Sri Lanka except a vague impression that it's in Africa.
gollark: It would not then be fair to assume that differences are down to some inherent badness of Sri Lanka, but that doesn't make comparisons invalid.
gollark: You can absolutely compare the economy of Sri Lanka and developed place #something. We have many metrics for this.
gollark: Dismissing problems because other things have problems is the problem.
gollark: The problem there is not the comparing though!

References

 This article incorporates public domain material from websites or documents of the United States Geological Survey.

  1. "What is a seismic zone, or seismic hazard zone? Where can I find information on seismic zones 0, 1, 2, 3, or 4? What seismic zone is location X in?". United States Geological Survey. Retrieved 2018-05-31.
  2. "Benioff zone (seismic belt) – Britannica Online Encyclopedia". Britannica.com. Retrieved 2018-05-31.
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