Tulsa WorldSTROUD — In a remote field near Stroud is one of the Oklahoma Geological Survey's approximately 25 permanent seismometers planted three feet deep in dirt — sensitive enough to detect earthquakes around the globe. Notably, the 25 OGS seismic stations comprise only one-fourth of the patchwork network that monitors Oklahoma's unrivaled man-made earthquakes, with the majority of the equipment in place temporarily and at risk of being uprooted from the state. So the OGS has put together a $3.5 million proposal to install 72 permanent seismic stations across the state in a grid pattern to be phased in during a three-year stretch.Read more on NewsOK.com