A very small earthquake occurred on Tue Sep 15, 2026 at about 21:36:11 CDT (Sep 16, 2026 02:36:11 UTC) 0.94 km east of Risco, MO. The magnitude was 1.8.

    Origin Time: 2026/09/16 02:36:11.1200
      Magnitude: 1.8
     Hypocenter: 36.55150 deg latitude -89.80817 deg longitude 
          Depth: 10.710 km
   Number Picks: 46
     Number Sta: 022
Closest Station: 12.00 km
            RMS: 0.07 sec
            Gap: 57.00 deg
            seh: 0.26 km
            sez: 0.77 km
        magtype: d
        Quality: 1.00
           evid: 60627971

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.