EARTHQUAKES · MCMULLEN AREA · TX2026EARJFC
Magnitude 2.1 20 km WNW of Three Rivers, Texas
Thursday, February 26, 2026, 6:29:00 PM Central · 2026-02-27 00:29:00 UTC
A magnitude 2.1 earthquake 20 km WNW of Three Rivers, Texas on February 26, 2026 at 6:29 PM Central, 7.5 km deep, in the McMullen County area.
It is one of 20 M2+ events TexNet has located within 10 km of this spot, none in the thirty days before it; the largest nearby was M2.9.
3 active injection or disposal wells sit within 10 km, the nearest 3.8 km away and operated by Texas Secondary Oil Corp; together they hold 5,800 barrels a day of permitted capacity.
- M2.1
- ML, reviewed
- 7.5
- km deep · 24,475 ft
- 0
- M2+ within 10 km, prior 30 days
- 20
- M2+ within 10 km, all time
- 3
- active injection wells within 10 km
- 294
- permitted wells within 10 km
Location
- Epicenter
- 28.5640, -98.3580
- County area
- McMullen 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 |
|---|---|---|---|
| May 18, 2026, 5:29 AM | 2.0 | 0.1 km | 8.3 km |
| Nov 8, 2024, 6:49 PM | 2.1 | 2.9 km | 6.6 km |
| Nov 4, 2024, 8:44 PM | 2.2 | 2.5 km | 6.5 km |
| Sep 27, 2024, 2:14 AM | 2.1 | 3.3 km | 6.4 km |
| Sep 21, 2024, 10:16 AM | 2.9 | 4.3 km | 6.5 km |
| Sep 14, 2024, 1:34 AM | 2.0 | 5 km | 6.7 km |
| Sep 13, 2024, 11:37 PM | 2.3 | 6.1 km | 4.1 km |
| Sep 7, 2024, 7:45 AM | 2.6 | 4 km | 6.4 km |
| Sep 6, 2024, 2:05 PM | 2.1 | 4.6 km | 6.7 km |
| Sep 3, 2024, 4:22 PM | 2.0 | 3.9 km | 6.3 km |
| May 25, 2024, 7:29 AM | 2.2 | 9.7 km | 8.2 km |
| Nov 13, 2023, 5:11 AM | 2.0 | 4.4 km | 4.0 km |
Largest nearby on record: M2.9 on Sep 21, 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.
| Well | Operator | UIC no. | Distance | Permitted, bbl/d | Injection zone, ft |
|---|---|---|---|---|---|
| Lark #23 | Texas Secondary Oil Corp | 000105257 | 3.8 km | 500 | 820–1,114 |
| Morrill #1R | Petrotx Oper, LLC | 000095974 | 3.9 km | 5,000 | 6,284–6,346 |
| Peeler, Graves #4 | Thalmann Oilfield | 000095555 | 8.9 km | 300 | 6,446–6,456 |
Disposal in McMullen County → · How disposal permits and volumes work →
About this data
TexNet catalog event tx2026earjfc, 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/tx2026earjfc, documented in the API reference.