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M2.1 Depth: 7.1 km

M2.1 Earthquake near Johnston County, Oklahoma (United States)

UTC time: 2026-08-11 19:39:13 UTC Local time: —

About this earthquake

On August 11, 2026 at 19:39 UTC, a magnitude M2.1 earthquake occurred near Johnston County, Oklahoma (United States). With a focal depth of about 7 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Events of this size typically go unnoticed.

The event was recorded by USGS. United States: 184 earthquakes were recorded in the past 24 hours, the strongest reaching M4.7.

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Depth profile

Depth profile Depth: 7.1 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 7.1 km
Shallow
7.1 km
7.1 km — shallower than the regional average (15.4 km)
Regional average: 15.4 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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