EARTHQUAKES · WILSON AREA · TX2023FOPU
Magnitude 2.4 20 km ENE of Falls City, Texas
Monday, March 20, 2023, 10:32:11 PM Central · 2023-03-21 03:32:11 UTC
A magnitude 2.4 earthquake 20 km ENE of Falls City, Texas on March 20, 2023 at 10:32 PM Central, 5.5 km deep, in the Wilson County area.
It is one of 155 M2+ events located within 10 km of this spot, none in the thirty days before it; the largest nearby was M4.6.
5 active injection or disposal wells sit within 10 km, the nearest 2.7 km away and operated by Crosstex Environmental STX, LLC; together they hold 122,500 barrels a day of permitted capacity.
6 of the nearby wells report daily to TexNet; they injected 51,575 barrels a day in September 2026.
- M2.4
- ML, reviewed
- 5.5
- km deep · 18,133 ft
- 0
- M2+ within 10 km, prior 30 days
- 155
- M2+ within 10 km, all time
- 5
- active injection wells within 10 km
- 846
- permitted wells within 10 km
Location
- Epicenter
- 29.0650, -97.8240
- 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 |
|---|---|---|---|
| Apr 8, 2023, 8:56 PM | 2.4 | 2.4 km | 5.4 km |
| May 4, 2023, 8:50 AM | 2.4 | 9.4 km | 7.5 km |
| May 4, 2023, 11:39 AM | 2.0 | 9 km | 9.8 km |
| May 4, 2023, 5:11 PM | 2.7 | 9.9 km | 7.3 km |
| May 4, 2023, 8:24 PM | 2.6 | 9.5 km | 7.4 km |
| Jul 11, 2023, 5:49 PM | 2.4 | 1.5 km | 7.3 km |
| Aug 30, 2023, 7:28 AM | 2.9 | 3.4 km | 7.8 km |
| Aug 30, 2023, 7:34 AM | 2.1 | 3.3 km | 8.1 km |
| Sep 1, 2023, 11:43 PM | 2.0 | 2.6 km | 8.6 km |
| Sep 10, 2023, 2:44 AM | 2.8 | 4.5 km | 6.6 km |
| Sep 11, 2023, 3:07 PM | 3.0 | 3.8 km | 7.8 km |
| Sep 11, 2023, 6:49 PM | 3.1 | 4 km | 7.9 km |
Largest nearby on record: M4.6 on Jan 30, 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. 6 of these report daily to TexNet: 51.6K bbl/d in Sep 2026.
| Well | Operator | UIC no. | Distance | Permitted, bbl/d | Injection zone, ft |
|---|---|---|---|---|---|
| Karnes SWD #1 | Crosstex Environmental STX, LLC | 000101718 | 2.7 km | 40,000 | 5,400–7,100 |
| J. P. Wright #1 | Evx Operating LLC | 000109247 | 3.1 km | 20,000 | 5,500–7,200 |
| Karnes SWD #1 | Pilot Water Solutions SWD LLC | 000104027 | 3.5 km | 25,000 | 5,400–7,100 |
| Gillett SWD #1 | Evx Operating LLC | 000105169 | 8.2 km | 20,000 | 8,950–11,950 |
| Kerlick #1 | Evx Operating LLC | 000104506 | 9.5 km | 17,500 | 5,695–5,710 |
Disposal in Wilson County → · How disposal permits and volumes work →
About this data
Event tx2023fopu 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/tx2023fopu, documented in the API reference.