Microseismic mapping is very similar geophysically to seismology. A primary criticism was that the method is geophysically implausible and scientifically unsound. Viminacium has been geophysically explored since the mid-1990s. It was investigated archaeologically and geophysically in 2007 when the new A98 motorway was built. Big Bear Lake is geophysically defined by its North and South Shore. Geophysically, nickel sulfides are considered effective superconductors in a geologic context.