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A very small earthquake occurred on Sat Oct 4, 2025 at about 11:35:01 CDT (Oct 4, 2025 16:35:01 UTC) 6.83 km southeast of Marston, MO. The magnitude was 1.6.

    Origin Time: 2025/10/04 16:35:01.6700
      Magnitude: 1.6
     Hypocenter: 36.48100 deg latitude -89.54417 deg longitude 
          Depth: 8.990 km
   Number Picks: 40
     Number Sta: 017
Closest Station: 6.00 km
            RMS: 0.02 sec
            Gap: 59.00 deg
            seh: 0.52 km
            sez: 0.71 km
        magtype: d
        Quality: 1.00
           evid: 60614576

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.