EARTHQUAKES · IRION AREA · TX2023TRVP
Magnitude 2.1 25 km ESE of Big Lake, Texas
Saturday, October 7, 2023, 10:24:44 PM Central · 2023-10-08 03:24:44 UTC
A magnitude 2.1 earthquake 25 km ESE of Big Lake, Texas on October 7, 2023 at 10:24 PM Central, 5.0 km deep, in the Irion County area.
It is one of 4 M2+ events located within 10 km of this spot, none in the thirty days before it; the largest nearby was M2.8.
8 active injection or disposal wells sit within 10 km, the nearest 2.4 km away and operated by DKL Water Gathering Permian, LLC; together they hold 147,000 barrels a day of permitted capacity.
1 of the nearby wells report daily to TexNet; they injected 642 barrels a day in August 2026.
- M2.1
- ML(TEXNE, reviewed
- 5.0
- km deep · 16,448 ft
- 0
- M2+ within 10 km, prior 30 days
- 4
- M2+ within 10 km, all time
- 8
- active injection wells within 10 km
- 271
- permitted wells within 10 km
Location
- Epicenter
- 31.1380, -101.1970
- County area
- Irion 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 |
|---|---|---|---|
| Mar 16, 2023, 2:42 AM | 2.1 | 3.9 km | 2.0 km |
| May 2, 2024, 5:57 AM | 2.8 | 8.8 km | 2.9 km |
| Sep 29, 2025, 10:04 AM | 2.0 | 3.5 km | 5.9 km |
Largest nearby on record: M2.8 on May 2, 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. 1 of these report daily to TexNet: 642 bbl/d in Aug 2026.
| Well | Operator | UIC no. | Distance | Permitted, bbl/d | Injection zone, ft |
|---|---|---|---|---|---|
| Barnhart SWD #1 | DKL Water Gathering Permian, LLC | 000106370 | 2.4 km | 20,000 | 8,800–11,000 |
| Barnhart 687 SWD #3 | Ogris Operating, LLC | 000108925 | 3.3 km | 40,000 | 8,932–9,940 |
| University Unit '5-20-21' #1SW | Diamondback E&P LLC | 000108965 | 4.7 km | 7,000 | 8,850–9,900 |
| University 40 #1101WD | Sem Operating Company LLC | 000102735 | 5.6 km | 10,000 | 8,600–9,780 |
| State "VE" #4C | Woodbine Production Corporation | 000052968 | 5.8 km | — | 8,688 |
| University 43-14 #1SW | Permian Resources Operating, LLC | 000107661 | 8.9 km | 20,000 | 8,960–11,200 |
| Venado North SWD #2 | Pilot Water Solutions SWD LLC | 000111667 | 9.4 km | 30,000 | 2,600–4,010 |
| Rock Hollow #190WD | Discovery Natural Resources LLC | 000110142 | 9.9 km | 20,000 | 2,200–3,500 |
Disposal in Irion County → · How disposal permits and volumes work →
About this data
Event tx2023trvp 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/tx2023trvp, documented in the API reference.