EARTHQUAKES · STERLING AREA · TX2026TEWMRT
Magnitude 2.1 24 km SSW of Westbrook, Texas
Tuesday, September 29, 2026, 1:27:15 PM Central · 2026-09-29 18:27:15 UTC
A magnitude 2.1 earthquake 24 km SSW of Westbrook, Texas on September 29, 2026 at 1:27 PM Central, 5.7 km deep, in the Sterling County area.
It is one of 152 M2+ events located within 10 km of this spot, 2 of them in the thirty days before it; the largest nearby was M3.4.
7 active injection or disposal wells sit within 10 km, the nearest 3.8 km away and operated by Saguaro Petroleum, LLC; together they hold 42,800 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 · 18,664 ft
- 2
- M2+ within 10 km, prior 30 days
- 152
- M2+ within 10 km, all time
- 7
- active injection wells within 10 km
- 48
- permitted wells within 10 km
Location
- Epicenter
- 32.1410, -101.0860
- 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.
| When | Mag | Distance | Depth |
|---|---|---|---|
| Sep 25, 2026, 6:41 PM | 2.2 | 9.8 km | 5.1 km |
| Sep 25, 2026, 1:17 PM | 2.0 | 10 km | 6.3 km |
| Aug 17, 2026, 1:17 PM | 2.0 | 0.8 km | 7.2 km |
| Nov 11, 2026, 5:05 PM | 2.5 | 2.5 km | 9.4 km |
| Aug 3, 2026, 12:31 PM | 2.1 | 0.5 km | 9.4 km |
| May 29, 2026, 12:03 PM | 2.1 | 4.6 km | 6.9 km |
| Apr 28, 2026, 6:43 PM | 2.2 | 9.5 km | 8.4 km |
| Apr 21, 2026, 1:08 PM | 2.2 | 3.1 km | 8.7 km |
| Apr 20, 2026, 12:35 PM | 3.3 | 3.8 km | 6.9 km |
| Apr 20, 2026, 12:34 PM | 2.3 | 4.3 km | 8.7 km |
| Apr 7, 2026, 6:41 AM | 2.0 | 4.9 km | 6.9 km |
| Mar 28, 2026, 7:50 AM | 2.0 | 3.2 km | 5.9 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.
| Well | Operator | UIC no. | Distance | Permitted, bbl/d | Injection zone, ft |
|---|---|---|---|---|---|
| Port O'Connor '34' #1 | Saguaro Petroleum, LLC | 000127116 | 3.8 km | 800 | 7,925–7,980 |
| Port Lavaca '39-34' #13W | Saguaro Petroleum, LLC | 000127198 | 4.5 km | 800 | 7,800–8,100 |
| Hughes SWD #1 | Reservoir Fluid Solutions LLC | 000106820 | 4.9 km | 20,000 | 2,750–4,300 |
| Niemeyer #603 | Gallo Petroleum, LLC | 000084239 | 7.8 km | 700 | 1,156–1,168 |
| Rackley, C. B. #802 | Skeeter Oil L.L.C. | 000100009 | 8 km | 250 | 1,245–1,285 |
| Spade Ranch #271 | Crownquest Operating, LLC | 000117681 | 8.1 km | 20,000 | 7,767–8,560 |
| Rackley, C. B. #803W | Skeeter Oil L.L.C. | 000100010 | 8.1 km | 250 | 1,245–1,285 |
Disposal in Sterling County → · How disposal permits and volumes work →
About this data
Event tx2026tewmrt 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/tx2026tewmrt, documented in the API reference.