A very small earthquake occurred on Wed Aug 6, 2025 at about 16:06:07 CDT (Aug 6, 2025 21:06:07 UTC) 4.74 km east of Marston, MO. The magnitude was 1.9.

    Origin Time: 2025/08/06 21:06:07.7000
      Magnitude: 1.9
     Hypocenter: 36.50183 deg latitude -89.55650 deg longitude 
          Depth: 8.630 km
   Number Picks: 47
     Number Sta: 021
Closest Station: 4.00 km
            RMS: 0.09 sec
            Gap: 45.00 deg
            seh: 0.20 km
            sez: 0.40 km
        magtype: d
        Quality: 1.00
           evid: 60612561

For more information about this earthquake, see the entry in the ANSS Comprehensive Catalog.

This is a preliminary location and magnitude determined by CERI using data provided by the Advanced National Seismic System and cooperating partners. The magnitude and location may change slightly as more data become available.