EARTHQUAKES · STERLING AREA · TX2025JAPD

Magnitude 2.0 27 km S of Westbrook, Texas

Friday, May 9, 2025, 4:29:57 AM Central · 2025-05-09 09:29:57 UTC

A magnitude 2.0 earthquake 27 km S of Westbrook, Texas on May 9, 2025 at 4:29 AM Central, 8.2 km deep, in the Sterling County area.

It is one of 148 M2+ events located within 10 km of this spot, 5 of them in the thirty days before it; the largest nearby was M3.4.

4 active injection or disposal wells sit within 10 km, the nearest 0.5 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.

M2.0
ML, reviewed
8.2
km deep · 26,994 ft
5
M2+ within 10 km, prior 30 days
148
M2+ within 10 km, all time
4
active injection wells within 10 km
44
permitted wells within 10 km

Location

Epicenter
32.1100, -101.0580
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
May 9, 2025, 10:33 AM2.50.5 km6.9 km
May 8, 2025, 2:34 PM3.20.6 km6.7 km
May 7, 2025, 4:56 AM2.23.9 km4.0 km
Apr 27, 2025, 2:08 AM2.01.6 km5.3 km
May 22, 2025, 2:45 AM2.00.7 km8.2 km
May 28, 2025, 4:45 AM2.84.3 km8.3 km
May 30, 2025, 1:45 AM2.24.3 km8.7 km
Jun 1, 2025, 11:09 PM2.05.6 km6.5 km
Apr 15, 2025, 12:36 AM2.63.7 km6.6 km
Jun 2, 2025, 7:12 PM2.14 km7.4 km
Jun 2, 2025, 7:31 PM2.44.5 km7.3 km
Apr 13, 2025, 12:44 PM2.00.6 km5.5 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 Lavaca '39-34' #13WSaguaro Petroleum, LLC0001271980.5 km8007,800–8,100
Port O'Connor '34' #1Saguaro Petroleum, LLC0001271161 km8007,925–7,980
Spade Ranch #271Crownquest Operating, LLC0001176815.9 km20,0007,767–8,560
Hughes SWD #1Reservoir Fluid Solutions LLC0001068206.4 km20,0002,750–4,300

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

About this data

Event tx2025japd 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/tx2025japd, documented in the API reference.