EARTHQUAKES · MCMULLEN AREA · TX2026BLDDWI
Magnitude 2.3 9 km SSE of Fowlerton, Texas
Tuesday, January 20, 2026, 11:20:36 PM Central · 2026-01-21 05:20:36 UTC
A magnitude 2.3 earthquake 9 km SSE of Fowlerton, Texas on January 20, 2026 at 11:20 PM Central, 9.3 km deep, in the McMullen County area.
It is one of 16 M2+ events located within 10 km of this spot, 4 of them in the thirty days before it; the largest nearby was M2.8.
4 active injection or disposal wells sit within 10 km, the nearest 3.5 km away and operated by Blue Flame Operating Company LLC; together they hold 16,600 barrels a day of permitted capacity.
- M2.3
- ML, reviewed
- 9.3
- km deep · 30,565 ft
- 4
- M2+ within 10 km, prior 30 days
- 16
- M2+ within 10 km, all time
- 4
- active injection wells within 10 km
- 257
- permitted wells within 10 km
Location
- Epicenter
- 28.3890, -98.7660
- County area
- McMullen 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 |
|---|---|---|---|
| Jan 20, 2026, 6:55 PM | 2.2 | 2.5 km | 5.8 km |
| Jan 21, 2026, 12:18 PM | 2.0 | 0.5 km | 4.8 km |
| Jan 20, 2026, 8:10 AM | 2.3 | 2.5 km | 5.6 km |
| Jan 19, 2026, 10:26 PM | 2.8 | 3.2 km | 6.7 km |
| Jan 19, 2026, 4:49 PM | 2.1 | 2.9 km | 7.4 km |
| Feb 2, 2026, 6:23 AM | 2.0 | 0.8 km | 7.3 km |
| Feb 3, 2026, 10:57 PM | 2.1 | 1.6 km | 5.5 km |
| Feb 5, 2026, 5:34 AM | 2.0 | 3 km | 6.1 km |
| Feb 10, 2026, 8:35 AM | 2.1 | 0.6 km | 3.4 km |
| Feb 11, 2026, 9:11 AM | 2.1 | 0.7 km | 4.0 km |
| Mar 18, 2025, 3:42 AM | 2.0 | 4.2 km | 4.9 km |
| Jan 28, 2024, 4:41 AM | 2.2 | 2.6 km | 1.6 km |
Largest nearby on record: M2.8 on Jan 20, 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 |
|---|---|---|---|---|---|
| South Texas Syndicate #2020 | Blue Flame Operating Company LLC | 000100940 | 3.5 km | 500 | 5,540–5,575 |
| South Texas Syndicate #1120 | Blue Flame Operating Company LLC | 000076978 | 4.3 km | 500 | 5,524–5,550 |
| South Texas Syndicate #2 | Caribbean Energy LLC II | 000087865 | 8.8 km | 600 | 1,273–1,286 |
| Fowlerton SWD #1 | Evx Operating LLC | 000105066 | 10 km | 15,000 | 4,700–5,700 |
Disposal in McMullen County → · How disposal permits and volumes work →
About this data
Event tx2026blddwi 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/tx2026blddwi, documented in the API reference.