A very small earthquake occurred on Sun May 21, 2023 at about 06:54:24 CDT (May 21, 2023 11:54:24 UTC) 4.87 km east of Philadelphia, TN. The magnitude was 1.8.

    Origin Time: 2023/05/21 11:54:24.4400
      Magnitude: 1.8
     Hypocenter: 35.69217 deg latitude -84.34850 deg longitude 
          Depth: 19.590 km
   Number Picks: 19
     Number Sta: 011
Closest Station: 14.00 km
            RMS: 0.04 sec
            Gap: 118.00 deg
            seh: 0.44 km
            sez: 0.61 km
        magtype: d
        Quality: 1.00
           evid: 60526416

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.