related tags: 1D120F 5E4640 6D3D31 AE4E53 B98B79 C0B6B4 C6B1AF D97D59 DF1E27 atlasobscura californiaintegratedseismicnetwork creativecommons earthquake earthquakefault faultline geotag geotagged quake sanandreas sanandreasfault seismic stanschwarz susanhough 191412