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United States · Oklahoma

M1.3 Earthquake near Grant County, Oklahoma (United States)

UTC time: 2026-08-27 15:45:19 UTC Local time: —

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About this earthquake

On August 27, 2026 at 15:45 UTC, a magnitude M1.3 earthquake occurred near Grant 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: over the past 24 hours, QuakeMap24 logged 178 earthquakes, the strongest at M4.6.

Details

ID
ba75df3b07643fc342132a0e1d5740154a8ed36f
Magnitude
M1.3
Depth
7.2 km
UTC time
2026-08-27 15:45:19 UTC
Local time
—
Country
United States
State
Oklahoma
City
Grant County
County
Grant County
Source
usgs
Coordinates
36.82017, -97.70417
Temperature
31.7°C

Depth profile

Depth profile Depth: 7.2 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 7.2 km
Shallow
7.2 km
7.2 km — shallower than the regional average (15.2 km)
Regional average: 15.2 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

Oklahoma

Context for this earthquake

05 Oct 2025 – 05 Oct 2026 · M ≥ 2.0 · 212 Catalogue entries

Sufficiently reliable matching data are not currently available for a direct comparison. The area profile shows the available records and their limitations.

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