United States – Grady County

This page summarizes earthquakes in Grady County (United States). The most recently recorded event was a magnitude M1.6 earthquake near Grady County on 2026-08-17 00:51:12 UTC. All event lists and map markers are limited to the last 30 days.

Earthquakes (last 30 days)
15
Max magnitude (last 30 days)
M2.7
Avg magnitude (last 30 days)
M1.93
Avg depth (last 30 days)
6 km
Seismic activity in 2026

In 2026, Grady County recorded 18 earthquakes within United States. The average magnitude was M1.93. The strongest event reached M2.7.

Located on the North America Plate.

Map (last 30 days)
< 2 2–4 4–5 ≥ 5
Earthquakes in Grady County (last 30 days)
M1.6
Grady County
2026-08-17 · 00:51 UTC · 5 km
›
M0.5
Grady County
2026-08-05 · 19:04 UTC · 9 km
›
M1.8
Chickasha
2026-08-04 · 00:15 UTC · 6 km
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M1.9
Chickasha
2026-08-02 · 10:08 UTC · 3 km
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M1.6
Grady County
2026-07-31 · 12:49 UTC · 4 km
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M1.9
Grady County
2026-07-27 · 10:01 UTC · 5 km
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M2.0
Grady County
2026-07-26 · 13:17 UTC · 4 km
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M2.2
Grady County
2026-07-23 · 21:41 UTC · 6 km
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M2.3
Bailey
2026-07-23 · 12:22 UTC · 4 km
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M2.0
Grady County
2026-07-23 · 07:46 UTC · 8 km
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M2.1
Cox City
2026-07-22 · 23:25 UTC · 9 km
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M1.9
Grady County
2026-07-21 · 15:42 UTC · 8 km
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M1.2
Grady County
2026-07-20 · 13:07 UTC · 6 km
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M2.7
Grady County
2026-07-19 · 20:05 UTC · 3 km
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M1.7
Grady County
2026-07-18 · 07:29 UTC · 8 km
›