Texas earthquakes

M3.9 earthquake 23 km NW of Westbrook, Texas

A magnitude 3.9 earthquake struck 23 km NW of Westbrook, Texas on Thu, Jul 23, 2026, 12:15 PM CDT (17:15 UTC), 8 km (5 mi) below the surface.

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Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude: 3.9 (ML, local (Richter)), minor
Magnitude from: TX
Local time: Thu, Jul 23, 2026, 12:15 PM CDT
UTC: 2026-07-23 17:15:26 UTC
Depth: 7.7 km (4.8 mi), shallow
Epicenter: 32.504° N, 101.191° W
Region: Texas
Felt reports: 8
Strongest shaking: V, moderate shaking
Tsunami flag: No
Status: Reviewed by a seismologist

Magnitude estimates

Different scales measure different things and differ by a few tenths. The USGS marks one as preferred, and it is the one this page uses.

Mag.	Scale	Computed by	Notes
3.9	ML, local (Richter)	TX	Preferred · Final · ±0.1 · 36 stations
3.6	Mwr, regional moment	USGS National Earthquake Information Center	Confirmed · ±0.055 · 32 stations

Shaking

The USGS ShakeMap: shaking estimated from seismic stations and the quake’s size, on the Modified Mercalli intensity scale.

Strongest estimated: V, moderate shaking
Peak ground acceleration: 8.2% of gravity
Peak ground velocity: 2.3 cm/s
Map: Automatic

USGS ShakeMap: estimated shaking intensity around the epicenter — Estimated shaking intensity. Map: USGS ShakeMap.

Did you feel it?

8 people reported to the USGS what they felt; the strongest reported shaking was III, weak shaking.

Fault motion and ground failure

How the rock slipped, from the moment tensor, and the USGS estimate of landslides and liquefaction.

Faulting: Normal
Moment magnitude: 3.6 Mwr
Nodal plane 1: Strike 83°, dip 50°, rake -89°
Nodal plane 2: Strike 262°, dip 40°, rake -91°

How well it is located

Reviewed by a seismologist.

Location uncertainty: About 0.6 km horizontally, 0.9 km in depth
Magnitude uncertainty: ±0.10
Station coverage gap: 51°
Stations used: 25

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 103 in the 60 days after this one and 52 in the 30 days before it.

After

The first 60 of 103.

Before

Earthquakes today Texas earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event tx2026ojysxv (also filed as us7000t2tu). Read Fri, Oct 2, 2026, 10:43 PM UTC.