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M1.9 Depth: 8.1 km

M1.9 Earthquake near Grady County, Oklahoma (United States)

UTC time: 2026-07-21 15:42:08 UTC Local time: —

About this earthquake

On July 21, 2026 at 15:42 UTC, a magnitude M1.9 earthquake occurred near Grady County, Oklahoma (United States). With a focal depth of about 8 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Events of this size typically go unnoticed.

The data is provided by USGS and cross-checked across seismological networks. United States: over the past 24 hours, QuakeMap24 logged 179 earthquakes, the strongest at M3.1.

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Depth profile

Depth profile Depth: 8.1 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 8.1 km
Shallow
8.1 km
8.1 km — shallower than the regional average (15.6 km)
Regional average: 15.6 km
Why depth matters

Shallow quakes release energy near the surface — shaking is felt more strongly and damage potential is higher.

Depth classes per USGS

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