EARTHQUAKES · FRIO AREA · TX2025TABEIO
Magnitude 2.3 10 km S of Pearsall, Texas
Friday, September 26, 2025, 10:26:03 PM Central · 2025-09-27 03:26:03 UTC
A magnitude 2.3 earthquake 10 km S of Pearsall, Texas on September 26, 2025 at 10:26 PM Central, 7.1 km deep, in the Frio County area.
It is one of 181 M2+ events located within 10 km of this spot, 6 of them in the thirty days before it; the largest nearby was M2.7.
13 active injection or disposal wells sit within 10 km, the nearest 2.4 km away and operated by Formentera Operations LLC; together they hold 118,000 barrels a day of permitted capacity.
- M2.3
- ML, reviewed
- 7.1
- km deep · 23,337 ft
- 6
- M2+ within 10 km, prior 30 days
- 181
- M2+ within 10 km, all time
- 13
- active injection wells within 10 km
- 52
- permitted wells within 10 km
Location
- Epicenter
- 28.8020, -99.0750
- County area
- Frio 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 26, 2025, 11:21 PM | 2.1 | 0.9 km | 5.7 km |
| Sep 26, 2025, 6:48 AM | 2.2 | 1.8 km | 9.3 km |
| Sep 25, 2025, 10:28 PM | 2.0 | 1 km | 7.0 km |
| Sep 25, 2025, 9:36 PM | 2.1 | 2.5 km | 4.2 km |
| Sep 28, 2025, 5:11 AM | 2.0 | 5.4 km | 8.6 km |
| Sep 28, 2025, 10:58 PM | 2.2 | 6.4 km | 8.4 km |
| Sep 23, 2025, 6:32 PM | 2.3 | 6.8 km | 2.3 km |
| Sep 23, 2025, 6:07 PM | 2.2 | 1.9 km | 4.4 km |
| Oct 2, 2025, 8:03 PM | 2.3 | 7.5 km | 4.5 km |
| Oct 4, 2025, 11:10 AM | 2.1 | 4.6 km | 5.7 km |
| Sep 11, 2025, 1:32 PM | 2.0 | 7.2 km | 5.2 km |
| Oct 31, 2025, 1:36 PM | 2.1 | 4.3 km | 8.4 km |
Largest nearby on record: M2.7 on May 21, 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.
| Well | Operator | UIC no. | Distance | Permitted, bbl/d | Injection zone, ft |
|---|---|---|---|---|---|
| G2 845-846-STX #C311VW | Formentera Operations LLC | 000127301 | 2.4 km | 20,000 | 4,520–4,965 |
| Pearsall SWD #1 | NGL Watersolutions Eagleford,llc | 000103550 | 6.6 km | 30,000 | 4,000–4,800 |
| New Wittman #1 | Rclj Construction, Inc. | 000074463 | 7.2 km | 10,000 | 4,650–5,240 |
| Mello 308-STX #A311VW | Formentera Operations LLC | 000126923 | 7.2 km | 20,000 | 4,860–5,285 |
| Pearsall SWD #1 | Select Water Solutions, LLC | 000103134 | 8.3 km | 8,000 | 4,300–4,600 |
| Lancaster Agi #1 | Targa Southtex Mdstrm Utility LP | 000104303 | 9 km | 3,500 | 8,400–9,850 |
| Melms Estate #2 | Bigfoot Oil LLC | 000093475 | 9.1 km | 1,000 | 3,900–4,300 |
| Allerkamp, Ernest E. #1H | Bigfoot Oil LLC | 000124318 | 9.1 km | 5,000 | 3,917–3,927 |
| Melms Estate #1H | Bigfoot Oil LLC | 000126301 | 9.3 km | 5,000 | 3,856–3,950 |
| Harris, John W. (Meyers) #1 | Enhanced RS, Inc. | 000085585 | 9.3 km | 1,000 | 5,000–6,000 |
| Frio SWD #1 | Eagle Ford Water and Disposl LLC | 000105304 | 9.4 km | 7,500 | 5,100–5,400 |
| Morales, Fred #3 | Blackbrush O & G, LLC | 000086630 | 9.5 km | 2,000 | 5,350–5,551 |
| Halff & Oppenheimer #1 R | Bigfoot Oil LLC | 000125151 | 9.9 km | 5,000 | 3,914–4,200 |
Disposal in Frio County → · How disposal permits and volumes work →
About this data
Event tx2025tabeio 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/tx2025tabeio, documented in the API reference.