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Credit: CC0 Public Domain A new study by Northwestern University researchers and coworkers explains a puzzling problem with maps of future earthquake shaking used to design earthquake-resistant buildings. The research was published May 1 in the journal Science Advances in a paper titled “Why do seismic hazard maps worldwide appear to overpredict historical intensity observations?”
by KeAi Communications Co., Ltd. (a) Distribution of earthquakes with MV no less than 3.0, from the JMA catalogue, with the rectangular highlighting the study region in this editorial around the Noto Peninsula. Time period is from January 1, 1995 to the occurrence of the MW 7.5/MV7.6 earthquake on January 1, 2024. Red dots are
Credit: Franklin Peña Gutierrez from Pexels A new measure that compares earthquake-related fatalities to a country’s population size concludes that Ecuador, Lebanon, Haiti, Turkmenistan, Iran and Portugal have experienced the greatest impact from fatalities in the past five centuries. The new impact measure, introduced in the Bulletin of the Seismological Society of America (BSSA) by
Credit: CC0 Public Domain With the Cascadia Subduction Zone parked off the coast and shallow faults lurking under most major cities, the Puget Sound area already faces a daunting array of seismic scenarios. A new study adds another: the possibility of a one-two earthquake punch. Using state-of-the-art tree ring and radiocarbon dating methods, researchers found