A very small earthquake occurred on Tue May 9, 2023 at about 07:44:20 CDT (May 9, 2023 12:44:20 UTC) 6.58 km southeast of Matthews, MO. The magnitude was 1.8.

    Origin Time: 2023/05/09 12:44:20.8900
      Magnitude: 1.8
     Hypocenter: 36.72517 deg latitude -89.50517 deg longitude 
          Depth: 6.630 km
   Number Picks: 48
     Number Sta: 024
Closest Station: 3.00 km
            RMS: 0.06 sec
            Gap: 66.00 deg
            seh: 0.19 km
            sez: 0.47 km
        magtype: d
        Quality: 1.00
           evid: 60524521

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.