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A very small earthquake occurred on Tue Apr 21, 2026 at about 05:24:44 CDT (Apr 21, 2026 10:24:44 UTC) 20.45 km south of Chester, SC. The magnitude was 1.7.

    Origin Time: 2026/04/21 10:24:44.3700
      Magnitude: 1.7
     Hypocenter: 34.52283 deg latitude -81.24733 deg longitude 
          Depth: 1.810 km
   Number Picks: 11
     Number Sta: 006
Closest Station: 27.00 km
            RMS: 0.49 sec
            Gap: 85.00 deg
            seh: 1.75 km
            sez: 4.75 km
        magtype: d
        Quality: 0.50
           evid: 60505393

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.