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M1.6 Depth: 9.4 km

M1.6 Earthquake near Grady County, Oklahoma (United States)

UTC time: 2026-05-09 10:28:01 UTC Local time: —

About this earthquake

On May 9, 2026 at 10:28 UTC, a magnitude M1.6 earthquake occurred near Grady County, Oklahoma (United States). With a focal depth of about 9 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Earthquakes of this small magnitude are usually barely noticeable and cause no damage.

The event was recorded by USGS. United States: 161 earthquakes were recorded in the past 24 hours, the strongest reaching M3.9.

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Depth profile

Depth profile Depth: 9.4 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 9.4 km
Shallow
9.4 km
9.4 km — shallower than the regional average (15.9 km)
Regional average: 15.9 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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