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A very small earthquake occurred on Mon Sep 22, 2025 at about 02:46:49 CDT (Sep 22, 2025 07:46:49 UTC) 1.88 km northeast of Marston, MO. The magnitude was 1.5.

    Origin Time: 2025/09/22 07:46:49.6300
      Magnitude: 1.5
     Hypocenter: 36.53133 deg latitude -89.59433 deg longitude 
          Depth: 8.570 km
   Number Picks: 42
     Number Sta: 020
Closest Station: 5.00 km
            RMS: 0.04 sec
            Gap: 49.00 deg
            seh: 0.31 km
            sez: 0.60 km
        magtype: d
        Quality: 1.00
           evid: 60614071

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.