Oklahoma – M4.4 – May 17, 2019 at 20:33:14 UTC 15km SSE of Medford, Oklahoma Latitude Longitude Depth (km) Dist (Deg) Dist (Km) Azimuth 36.668 -97.696 5.0 17.7 1,961 71.3 USGS Information Page Dayplot Image. The event is in green on the 20h line. Trace of this event. The P to S interval is very weak, with much stronger S and surface waves. Local SeisComP3 traces.