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- https://geo.libretexts.org/Sandboxes/ajones124_at_sierracollege.edu/Geology_of_California_(DRAFT)/04%3A_Geologic_Structures_and_Seismology/4.05%3A_Measuring_EarthquakesThis page discusses seismometers, modern earthquake detection networks, and the evolution of magnitude measurement from the Richter to moment magnitude scale. It highlights California's seismic data c...This page discusses seismometers, modern earthquake detection networks, and the evolution of magnitude measurement from the Richter to moment magnitude scale. It highlights California's seismic data collection systems and the critical role of ground motion data in engineering safety. The U.S. Geological Survey's resources, including ShakeMaps and citizen tools, are mentioned, alongside the continued uncertainty in earthquake prediction.
- https://geo.libretexts.org/Courses/Lumen_Learning/Earth_Science_(Lumen)/04%3A_Earths_Interior_Processes/4.02%3A_Plate_TectonicsThis page details plate tectonics, explaining Earth's lithosphere movement and its impact on earthquakes and volcanoes. It discusses Alfred Wegener's continental drift theory, evidence supporting it, ...This page details plate tectonics, explaining Earth's lithosphere movement and its impact on earthquakes and volcanoes. It discusses Alfred Wegener's continental drift theory, evidence supporting it, and the mechanism of seafloor spreading. The text describes types of tectonic plate boundaries: divergent (mid-ocean ridges), convergent (subduction and mountain formation), and transform (like the San Andreas Fault).
- https://geo.libretexts.org/Sandboxes/ajones124_at_sierracollege.edu/Geology_of_California_(DRAFT)/04%3A_Geologic_Structures_and_Seismology/4.04%3A_EarthquakesThis page explores California's earthquake susceptibility due to tectonic plate boundaries, the impact of historical events like the 1906 San Francisco earthquake, and phenomena such as foreshocks, af...This page explores California's earthquake susceptibility due to tectonic plate boundaries, the impact of historical events like the 1906 San Francisco earthquake, and phenomena such as foreshocks, aftershocks, and episodic tremors (ETS) in subduction zones. It highlights advances in earthquake naming conventions and the importance of hypocenters and seismometer technology in locating earthquakes.
