Left panel shows predicted return period of Hurricane Hilary over California and the southwestern U.S. The colors illustrate the severity of the flooding compared to long-term rates. For example, the darkest red on the scale is a 1-in-2,000 year flooding event. Taken from https://floodriskforecast.com/ at 11:30 a.m. CT on Sunday, 20 August, 2023. The right panel shows earthquake likelihood, as calculated by Temblor, across the same region of California and the southwestern U.S. Credit: Temblor, CC BY-NC-ND 4.0