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A very small earthquake occurred on Fri Aug 22, 2025 at about 19:35:10 CDT (Aug 23, 2025 00:35:10 UTC) 4.69 km east of Marston, MO. The magnitude was 1.5.

    Origin Time: 2025/08/23 00:35:10.3200
      Magnitude: 1.5
     Hypocenter: 36.49883 deg latitude -89.55867 deg longitude 
          Depth: 8.220 km
   Number Picks: 36
     Number Sta: 013
Closest Station: 5.00 km
            RMS: 0.06 sec
            Gap: 57.00 deg
            seh: 0.45 km
            sez: 0.70 km
        magtype: d
        Quality: 1.00
           evid: 60613216

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.