Return to Recent Earthquakes

A very small earthquake occurred on Sat Jul 18, 2026 at about 03:38:15 CDT (Jul 18, 2026 08:38:15 UTC) 6.66 km west of Marked Tree, AR. The magnitude was 1.8.

    Origin Time: 2026/07/18 08:38:15.0900
      Magnitude: 1.8
     Hypocenter: 35.50283 deg latitude -90.49350 deg longitude 
          Depth: 5.120 km
   Number Picks: 32
     Number Sta: 015
Closest Station: 5.00 km
            RMS: 0.45 sec
            Gap: 47.00 deg
            seh: 0.63 km
            sez: 2.04 km
        magtype: d
        Quality: 0.75
           evid: 60625351

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.