EARTHQUAKES · HOWARD AREA · TX2026OJYSXV
Magnitude 3.9 23 km NW of Westbrook, Texas
Thursday, July 23, 2026, 12:15:26 PM Central · 2026-07-23 17:15:26 UTC
A magnitude 3.9 earthquake 23 km NW of Westbrook, Texas on July 23, 2026 at 12:15 PM Central, 7.7 km deep, in the Howard County area.
It is one of 14 M2+ events TexNet has located within 10 km of this spot, 1 of them in the thirty days before it; this is the largest of them.
15 active injection or disposal wells sit within 10 km, the nearest 1.8 km away and operated by GNG Operating LLC; together they hold 153,000 barrels a day of permitted capacity.
15 of the nearby wells report daily to TexNet; they injected 196,075 barrels a day in August 2026.
- M3.9
- ML, reviewed
- 7.7
- km deep · 25,393 ft
- 1
- M2+ within 10 km, prior 30 days
- 14
- M2+ within 10 km, all time
- 15
- active injection wells within 10 km
- 380
- permitted wells within 10 km
Location
- Epicenter
- 32.5040, -101.1910
- County area
- Howard County
- On a map
- OpenStreetMap ↗
- Catalog
- TexNet earthquake catalog ↗
Around it in time and space
M2+ events within 10 km, nearest in time first.
| When | Mag | Distance | Depth |
|---|---|---|---|
| Jun 23, 2026, 3:20 PM | 2.3 | 0.2 km | 7.1 km |
| May 29, 2026, 7:49 AM | 2.8 | 0.6 km | 6.4 km |
| Apr 22, 2026, 2:35 PM | 2.1 | 3.7 km | 8.1 km |
| Feb 8, 2026, 3:31 AM | 2.3 | 9.6 km | 7.2 km |
| Dec 21, 2025, 2:54 AM | 2.3 | 2.9 km | 5.7 km |
| May 17, 2025, 4:48 AM | 2.3 | 5.3 km | 2.9 km |
| May 7, 2025, 7:45 AM | 2.3 | 6.4 km | 5.5 km |
| May 29, 2024, 12:52 AM | 2.1 | 7 km | 8.4 km |
| Dec 22, 2023, 9:08 PM | 2.4 | 6.9 km | 9.2 km |
| Oct 30, 2023, 7:31 AM | 2.1 | 1.7 km | 7.1 km |
| Feb 7, 2023, 7:28 PM | 2.0 | 2.1 km | 6.8 km |
| May 24, 2022, 1:13 AM | 2.6 | 2.6 km | 7.8 km |
Largest nearby on record: M2.8 on May 29, 2026.
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. 15 of these report daily to TexNet: 196K bbl/d in Aug 2026.
| Well | Operator | UIC no. | Distance | Permitted, bbl/d | Injection zone, ft |
|---|---|---|---|---|---|
| Sterling "4" #1D | GNG Operating LLC | 000102021 | 1.8 km | 5,000 | 2,335–8,169 |
| Winters, W. C. #1D | Wilson Systems, Inc | 000043501 | 3.3 km | 3,500 | 2,258–5,026 |
| Flint Rock #10XD | Bayswater Oper Co LLC | 000126759 | 3.5 km | 20,000 | 8,510–9,120 |
| Snidely #1 | Karico GP, LLC | 000107606 | 3.8 km | 5,000 | 4,389–4,420 |
| Lottie SWD #1 | Highpeak Engy Holdings, LLC | 000126721 | 4.2 km | 15,000 | 7,360–7,700 |
| Oasis Deep #9XD | Bayswater Oper Co LLC | 000125545 | 4.5 km | 20,000 | 8,288–9,175 |
| McDonnell #1D | Autumn Energy Operating | 000019563 | 4.8 km | 3,000 | 2,418–5,990 |
| Mourning Dove #1 | Autumn Energy Operating | 000082885 | 5.4 km | 8,000 | 2,480–7,508 |
| Broken Dam #62S | Bayswater Oper Co LLC | 000126826 | 5.5 km | 25,000 | 2,035–3,450 |
| DO Right #1 | Midland Oil and Gas, Inc | 000094220 | 5.5 km | 5,000 | 6,394–6,510 |
| Cole, Thelma J. #1D | Hankamer, Curtis Corp,the | 000056721 | 6.8 km | 500 | 2,251–4,400 |
| Chandler #1 | Los Hijos de Sanchez J LLC | 000089986 | 6.8 km | 3,000 | 3,000–8,010 |
| Cole SWD #1H | Highpeak Engy Holdings, LLC | 000126071 | 7.2 km | 20,000 | 8,650–9,400 |
| Reinecke Unit #99 | Atlas Oper LLC | 000066165 | 7.5 km | 10,000 | 6,890–7,100 |
| Reinecke Unit #97 | Atlas Oper LLC | 000077270 | 8 km | 10,000 | 6,538–7,110 |
Disposal in Howard County → · How disposal permits and volumes work →
About this data
TexNet catalog event tx2026ojysxv, as published by the 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/tx2026ojysxv, documented in the API reference.