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M1.8 Depth: 5.8 km

M1.8 Earthquake near Chickasha, Oklahoma (United States)

UTC time: 2026-08-04 00:15:27 UTC Local time: —

About this earthquake

On August 4, 2026 at 00:15 UTC, a magnitude M1.8 earthquake occurred near Chickasha, Oklahoma (United States). The hypocenter lay relatively close to the surface at around 6 km, increasing how strongly it was felt. Events of this size typically go unnoticed.

The event was recorded by USGS. United States: 167 earthquakes were recorded in the past 24 hours, the strongest reaching M3.1.

Details

Magnitude
M1.8
Depth
5.8 km
UTC time
2026-08-04 00:15:27 UTC
Local time
—
Country
United States
State
Oklahoma
City
Chickasha
County
Grady County
Source
usgs
Coordinates
35.03721, -97.94626
Temperature
35.7°C

Map

Depth profile

Depth profile Depth: 5.8 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 5.8 km
Shallow
5.8 km
5.8 km — shallower than the regional average (15.5 km)
Regional average: 15.5 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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