EARTHQUAKES · HOWARD AREA · TX2022TDOU
Magnitude 2.8 8 km WNW of Westbrook, Texas
Friday, September 30, 2022, 3:04:05 AM Central · 2022-09-30 08:04:05 UTC
A magnitude 2.8 earthquake 8 km WNW of Westbrook, Texas on September 30, 2022 at 3:04 AM Central, 7.9 km deep, in the Howard County area.
It is one of 32 M2+ events located within 10 km of this spot, none in the thirty days before it; the largest nearby was M4.3.
15 active injection or disposal wells sit within 10 km, the nearest 0.3 km away and operated by Swjn Oil Company; together they hold 11,550 barrels a day of permitted capacity.
11 of the nearby wells report daily to TexNet; they injected 47,878 barrels a day in August 2026.
- M2.8
- ML, reviewed
- 7.9
- km deep · 25,916 ft
- 0
- M2+ within 10 km, prior 30 days
- 32
- M2+ within 10 km, all time
- 15
- active injection wells within 10 km
- 103
- permitted wells within 10 km
Location
- Epicenter
- 32.3849, -101.0989
- County area
- Howard 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 30, 2022, 8:16 AM | 2.4 | 1 km | 10.0 km |
| Aug 12, 2022, 1:25 PM | 2.0 | 7.4 km | 6.3 km |
| Feb 4, 2023, 5:55 AM | 2.0 | 0.8 km | 7.0 km |
| Feb 4, 2023, 9:41 AM | 2.3 | 1.5 km | 8.5 km |
| Sep 18, 2023, 8:10 PM | 2.3 | 7.5 km | 8.7 km |
| Sep 18, 2023, 10:07 PM | 2.3 | 7.5 km | 9.0 km |
| Oct 12, 2023, 10:27 PM | 2.8 | 6.7 km | 12.0 km |
| Mar 1, 2024, 10:07 AM | 2.5 | 9.8 km | 8.5 km |
| Mar 3, 2024, 3:07 AM | 2.1 | 9.6 km | 4.9 km |
| May 23, 2024, 3:31 PM | 2.8 | 5.4 km | 4.3 km |
| Jun 9, 2024, 10:12 AM | 2.7 | 5.1 km | 6.2 km |
| Jul 19, 2024, 6:21 AM | 3.6 | 6.4 km | 8.6 km |
Largest nearby on record: M4.3 on Oct 12, 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. 11 of these report daily to TexNet: 47.9K bbl/d in Aug 2026.
Disposal in Howard County → · How disposal permits and volumes work →
About this data
Event tx2022tdou 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/tx2022tdou, documented in the API reference.