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14-Sep-2017 09:40

Please visit our Geologic Information Portal and Geologic Hazard Maps page for the most up-to-date listing of all of our hazard maps.The Survey conducts and publishes geologic mapping to identify and characterize faults throughout the state.Scientists are always spouting information about the ages of rocks and fossils. Well, they figure it out using two different methods: relative dating and numerical dating.Let's find out more about these geological dating methods in order to understand how Paul the Paleontologist can be so sure about the age of his dinosaur fossils.The publication Faults and Earthquakes in Washington State is a state-wide compilation of active faults and folds.Each year we map additional areas and learn more about existing faults and (or) discover new ones.A tropical cyclone is a low-pressure system which develops in the tropics and is sufficiently intense to produce sustained gale force winds of at least 63km/h.If the sustained wind reaches hurricane force of at least 118km/h the system is defined as a severe tropical cyclone.

We work closely with the Washington Emergency Management Division, the Washington Seismic Safety Committee, and the Federal Emergency Management Agency to ensure that the best-available science is used in the development of hazard mitigation plans.The Washington State Geologic Information Portal contains interactive earth science mapping, data, and related information on several topics. You can switch between theme maps from inside the application.More geologic information will be added regularly, so please check back again to see what's new.The National Geologic Map Database (NGMDB) is a congressionally mandated project led by the U. Geological Survey and Association of American State Geologists.