EARTHQUAKES · WILSON AREA · TX2023SUNF
Magnitude 3.0 6 km SE of Falls City, Texas
Monday, September 25, 2023, 4:02:17 AM Central · 2023-09-25 09:02:17 UTC
A magnitude 3.0 earthquake 6 km SE of Falls City, Texas on September 25, 2023 at 4:02 AM Central, 5.8 km deep, in the Wilson County area.
It is one of 166 M2+ events located within 10 km of this spot, none in the thirty days before it; the largest nearby was M4.5.
11 active injection or disposal wells sit within 10 km, the nearest 4.9 km away and operated by Pilot Water Solutions SWD LLC; together they hold 196,500 barrels a day of permitted capacity.
2 of the nearby wells report daily to TexNet; they injected 16,354 barrels a day in August 2026.
- M3.0
- ML, reviewed
- 5.8
- km deep · 19,121 ft
- 0
- M2+ within 10 km, prior 30 days
- 166
- M2+ within 10 km, all time
- 11
- active injection wells within 10 km
- 840
- permitted wells within 10 km
Location
- Epicenter
- 28.9370, -97.9760
- County area
- Wilson 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 |
|---|---|---|---|
| Oct 6, 2023, 5:18 PM | 2.2 | 3.6 km | 7.3 km |
| Oct 8, 2023, 10:05 PM | 2.1 | 8.4 km | 8.1 km |
| Oct 9, 2023, 8:25 AM | 3.4 | 8.9 km | 7.3 km |
| Oct 10, 2023, 1:39 AM | 2.3 | 8.3 km | 7.4 km |
| Oct 10, 2023, 5:21 AM | 2.7 | 8.7 km | 6.5 km |
| Oct 10, 2023, 11:32 AM | 2.2 | 8.1 km | 8.0 km |
| Oct 10, 2023, 12:17 PM | 3.0 | 8.9 km | 7.6 km |
| Oct 11, 2023, 1:31 AM | 2.1 | 9.1 km | 6.4 km |
| Oct 14, 2023, 10:30 AM | 2.5 | 4.2 km | 7.2 km |
| Oct 17, 2023, 10:54 AM | 2.1 | 8.5 km | 8.6 km |
| Oct 20, 2023, 6:07 PM | 3.7 | 9 km | 7.0 km |
| Oct 20, 2023, 6:09 PM | 2.3 | 7.7 km | 7.4 km |
Largest nearby on record: M4.5 on Feb 17, 2024.
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. 2 of these report daily to TexNet: 16.4K bbl/d in Aug 2026.
| Well | Operator | UIC no. | Distance | Permitted, bbl/d | Injection zone, ft |
|---|---|---|---|---|---|
| Falls City SWD #1 | Pilot Water Solutions SWD LLC | 000102146 | 4.9 km | 25,000 | 6,500–7,500 |
| Maurer, Boone #2 | Rio-Tex, Inc. | 000092627 | 5.4 km | 5,000 | 4,281–5,006 |
| Karnes City-Kaleb Brewer #1 | Goodnight Midstream Permian, LLC | 000104218 | 6.5 km | 20,000 | 6,387–7,850 |
| Hysaw-Hobson #3A | Jaybird Operating, LLC | 000077612 | 6.7 km | 3,000 | 4,007–4,009 |
| Karnes SWD #2 | Estate of James L. Nelson | 000116819 | 7.2 km | 12,500 | 5,600–7,300 |
| Olinick, Jerome #151 | Britanco, L.L.C. | 000001614 | 8.8 km | 6,000 | 1,600–1,675 |
| Falls City Unit #135 | Britanco, L.L.C. | 000001611 | 8.8 km | 5,000 | 5,530–5,658 |
| Karnes City a SWD #1 | Crosstex Environmental STX, LLC | 000104350 | 9 km | 25,000 | 6,490–8,000 |
| Highroller Karnes SWD A #1 | Crosstex Environmental STX, LLC | 000104710 | 9 km | 30,000 | 6,535–8,225 |
| Burris SWD #1 | Goodnight Midstream Permian, LLC | 000105599 | 9.8 km | 30,000 | 5,800–6,800 |
| Blue SWD #1 | Crosstex Environmental STX, LLC | 000118971 | 9.9 km | 35,000 | 6,500–8,500 |
Disposal in Wilson County → · How disposal permits and volumes work →
About this data
Event tx2023sunf 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/tx2023sunf, documented in the API reference.