EARTHQUAKES · STERLING AREA · TX2025VPYASU

Magnitude 2.1 26 km S of Westbrook, Texas

Sunday, November 2, 2025, 8:55:44 PM Central · 2025-11-03 02:55:44 UTC

A magnitude 2.1 earthquake 26 km S of Westbrook, Texas on November 2, 2025 at 8:55 PM Central, 5.7 km deep, in the Sterling County area.

It is one of 151 M2+ events located within 10 km of this spot, none in the thirty days before it; the largest nearby was M3.4.

4 active injection or disposal wells sit within 10 km, the nearest 0.1 km away and operated by Saguaro Petroleum, LLC; together they hold 41,600 barrels a day of permitted capacity.

1 of the nearby wells report daily to TexNet; they injected 138 barrels a day in August 2026.

M2.1
ML, reviewed
5.7
km deep · 18,824 ft
0
M2+ within 10 km, prior 30 days
151
M2+ within 10 km, all time
4
active injection wells within 10 km
47
permitted wells within 10 km

Location

Epicenter
32.1180, -101.0540
County area
Sterling County
On a map
Google Maps ↗
Catalog
USGS event page ↗ · TexNet catalog ↗

Around it in time and space

M2+ events within 10 km, nearest in time first.

WhenMagDistanceDepth
Nov 17, 2025, 3:22 AM2.10.8 km8.4 km
Nov 18, 2025, 9:13 AM2.03.3 km8.8 km
Nov 18, 2025, 11:36 AM2.43 km8.7 km
Nov 30, 2025, 10:53 AM2.35 km7.0 km
Sep 30, 2025, 11:18 PM2.43.4 km7.2 km
Sep 28, 2025, 9:58 PM2.44.8 km7.3 km
Sep 28, 2025, 10:15 AM2.32.6 km8.4 km
Dec 20, 2025, 1:09 PM2.13.2 km7.5 km
Dec 21, 2025, 4:14 PM2.63.4 km8.7 km
Dec 22, 2025, 2:05 AM2.83.2 km8.9 km
Dec 22, 2025, 2:07 AM2.03.1 km8.7 km
Dec 22, 2025, 2:45 AM3.43.1 km8.6 km

Largest nearby on record: M3.4 on Dec 22, 2025.

Injection wells within 10 km

RRC UIC MASTER · ACTIVE PERMITS

Proximity is not attribution. The wells are listed because the question is always asked; whether any of them is connected to this event is for the RRC's seismic response review, not this page. 1 of these report daily to TexNet: 138 bbl/d in Aug 2026.

WellOperatorUIC no.DistancePermitted, bbl/dInjection zone, ft
Port O'Connor '34' #1Saguaro Petroleum, LLC0001271160.1 km8007,925–7,980
Port Lavaca '39-34' #13WSaguaro Petroleum, LLC0001271981.5 km8007,800–8,100
Spade Ranch #271Crownquest Operating, LLC0001176815.2 km20,0007,767–8,560
Hughes SWD #1Reservoir Fluid Solutions LLC0001068205.5 km20,0002,750–4,300

Disposal in Sterling County → · How disposal permits and volumes work →

About this data

Event tx2025vpyasu from the USGS earthquake catalog, located by TexNet (UT Bureau of Economic Geology) and refreshed daily. Nearby wells from the RRC UIC well master and permit coordinates; daily volumes from the TexNet injection reporting tool.

Developers: this page as JSON is GET /v1/data/earthquakes/tx/events/tx2025vpyasu, documented in the API reference.