Fossbytes - Geophysicist Tom Parsons, from the United States Geological Survey (USGS) agency, has concluded that cities are sinking into the earth due to their heavyweight. The heavyweight of the cities is
![Tom PARSONS | Research Geophysicist | Ph.D | United States Geological Survey, Colorado | USGS | Pacific Coastal and Marine Science Center Tom PARSONS | Research Geophysicist | Ph.D | United States Geological Survey, Colorado | USGS | Pacific Coastal and Marine Science Center](https://www.researchgate.net/publication/347773744/figure/fig2/AS:1010338807959554@1617894951684/a-Building-area-outlines-for-the-San-Francisco-Bay-region_Q320.jpg)
Tom PARSONS | Research Geophysicist | Ph.D | United States Geological Survey, Colorado | USGS | Pacific Coastal and Marine Science Center
![On the Use of Receiver Operating Characteristic Tests for Evaluating Spatial Earthquake Forecasts - Parsons - 2020 - Geophysical Research Letters - Wiley Online Library On the Use of Receiver Operating Characteristic Tests for Evaluating Spatial Earthquake Forecasts - Parsons - 2020 - Geophysical Research Letters - Wiley Online Library](https://agupubs.onlinelibrary.wiley.com/cms/asset/d019b16b-fb42-4a6d-985a-02e461ecb2ae/grl60962-fig-0004-m.jpg)
On the Use of Receiver Operating Characteristic Tests for Evaluating Spatial Earthquake Forecasts - Parsons - 2020 - Geophysical Research Letters - Wiley Online Library
![Tom PARSONS | Research Geophysicist | Ph.D | United States Geological Survey, Colorado | USGS | Pacific Coastal and Marine Science Center Tom PARSONS | Research Geophysicist | Ph.D | United States Geological Survey, Colorado | USGS | Pacific Coastal and Marine Science Center](https://www.researchgate.net/profile/Tom-Parsons-2/publication/343068295/figure/fig1/AS:1096211905949696@1638368693386/Receiver-operating-characteristic-ROC-curves-calculated-for-two-different-stress-change_Q320.jpg)
Tom PARSONS | Research Geophysicist | Ph.D | United States Geological Survey, Colorado | USGS | Pacific Coastal and Marine Science Center
![On the Use of Receiver Operating Characteristic Tests for Evaluating Spatial Earthquake Forecasts - Parsons - 2020 - Geophysical Research Letters - Wiley Online Library On the Use of Receiver Operating Characteristic Tests for Evaluating Spatial Earthquake Forecasts - Parsons - 2020 - Geophysical Research Letters - Wiley Online Library](https://agupubs.onlinelibrary.wiley.com/cms/asset/f254cee9-45f9-4f95-b425-75733d2b33e0/grl60962-fig-0003-m.jpg)
On the Use of Receiver Operating Characteristic Tests for Evaluating Spatial Earthquake Forecasts - Parsons - 2020 - Geophysical Research Letters - Wiley Online Library
![Tom PARSONS | Research Geophysicist | Ph.D | United States Geological Survey, Colorado | USGS | Pacific Coastal and Marine Science Center Tom PARSONS | Research Geophysicist | Ph.D | United States Geological Survey, Colorado | USGS | Pacific Coastal and Marine Science Center](https://www.researchgate.net/profile/Tom-Parsons-2/publication/301755578/figure/fig5/AS:959996120539137@1605892319385/Results-of-maximum-likelihood-estimation-MLE-for-far-field-tsunamis-recorded-at-eight_Q320.jpg)
Tom PARSONS | Research Geophysicist | Ph.D | United States Geological Survey, Colorado | USGS | Pacific Coastal and Marine Science Center
![Tom PARSONS | Research Geophysicist | Ph.D | United States Geological Survey, Colorado | USGS | Pacific Coastal and Marine Science Center Tom PARSONS | Research Geophysicist | Ph.D | United States Geological Survey, Colorado | USGS | Pacific Coastal and Marine Science Center](https://www.researchgate.net/profile/Tom-Parsons-2/publication/346541451/figure/fig3/AS:1096246567677954@1638376957420/Changes-in-crustal-dilatation-at-5-km-depth-caused-by-local-earthquakes-at-Parkfield_Q320.jpg)
Tom PARSONS | Research Geophysicist | Ph.D | United States Geological Survey, Colorado | USGS | Pacific Coastal and Marine Science Center
![PDF) On the Use of Receiver Operating Characteristic Tests for Evaluating Spatial Earthquake Forecasts PDF) On the Use of Receiver Operating Characteristic Tests for Evaluating Spatial Earthquake Forecasts](https://www.researchgate.net/profile/Tom-Parsons-2/publication/343068295/figure/fig1/AS:929529954570245@1598628619968/Receiver-operating-characteristic-ROC-curves-calculated-for-two-different-stress-change_Q320.jpg)
PDF) On the Use of Receiver Operating Characteristic Tests for Evaluating Spatial Earthquake Forecasts
![SCEC CSEP Workshop: Final Evaluation of the Regional Earthquake Likelihood Models (RELM) Experiment and the Future of Earthquake Forecasting | Southern California Earthquake Center SCEC CSEP Workshop: Final Evaluation of the Regional Earthquake Likelihood Models (RELM) Experiment and the Future of Earthquake Forecasting | Southern California Earthquake Center](https://files.scec.org/s3fs-public/participants.png)