This is a market on whether there will be an earthquake of magnitude 4.5 (Richter scale) or higher in the Conterminous U.S. between the market conception time, November 16, 2021 and November 29, 2021 (12:00 PM ET), as measured by the U.S. Geological Survey. This market will resolve to “Yes”, if the list of recorded seismic activity at the resolution source (https://earthquake.usgs.gov/earthquakes/) for that period will include at least one earthquake of magnitude 4.5 or higher with its epicentre in the Conterminous U.S. and “No” otherwise. The data will be checked on November 29, 2021 12 PM ET. ------------------------------ The term "Conterminous U.S." used in this market refers to 48 lower states of The United States, excluding the maritime territory.