EARTHQUAKES · KARNES AREA · TX2023OFLA
Magnitude 2.2 12 km SSW of Smiley, Texas
Friday, July 21, 2023, 11:44:26 PM Central · 2023-07-22 04:44:26 UTC
A magnitude 2.2 earthquake 12 km SSW of Smiley, Texas on July 21, 2023 at 11:44 PM Central, 7.8 km deep, in the Karnes County area.
It is one of 93 M2+ events located within 10 km of this spot, 3 of them in the thirty days before it; the largest nearby was M3.4.
5 active injection or disposal wells sit within 10 km, the nearest 6.7 km away and operated by Mid River Midstream LLC; together they hold 100,000 barrels a day of permitted capacity.
- M2.2
- ML, reviewed
- 7.8
- km deep · 25,695 ft
- 3
- M2+ within 10 km, prior 30 days
- 93
- M2+ within 10 km, all time
- 5
- active injection wells within 10 km
- 524
- permitted wells within 10 km
Location
- Epicenter
- 29.1660, -97.6870
- County area
- Karnes 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 |
|---|---|---|---|
| Jul 22, 2023, 12:01 AM | 2.3 | 2 km | 6.9 km |
| Jul 21, 2023, 1:58 AM | 2.3 | 2 km | 7.5 km |
| Jul 20, 2023, 10:32 PM | 2.1 | 0.8 km | 7.5 km |
| Jul 24, 2023, 8:23 PM | 2.1 | 0.7 km | 7.3 km |
| Jul 6, 2023, 9:15 AM | 2.0 | 1.5 km | 7.7 km |
| Jun 21, 2023, 12:04 PM | 2.2 | 1.5 km | 7.8 km |
| Jun 20, 2023, 4:24 PM | 2.5 | 2.6 km | 7.6 km |
| Sep 3, 2023, 4:36 AM | 2.3 | 6.3 km | 8.4 km |
| May 22, 2023, 3:36 AM | 2.9 | 6 km | 5.5 km |
| May 14, 2023, 4:39 PM | 2.2 | 4.8 km | 2.8 km |
| May 5, 2023, 6:22 PM | 2.1 | 7.5 km | 7.4 km |
| May 4, 2023, 9:13 PM | 2.4 | 7.3 km | 6.7 km |
Largest nearby on record: M3.4 on Apr 10, 2021.
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 |
|---|---|---|---|---|---|
| Wilke SWD #1 | Mid River Midstream LLC | 000076501 | 6.7 km | 7,500 | 5,000–5,484 |
| Lamza SWD #1 | Goodnight Midstream Permian, LLC | 000103533 | 7.6 km | 25,000 | 5,000–8,000 |
| Henning #2 | Pilot Water Solutions SWD LLC | 000115129 | 8.2 km | 25,000 | 5,300–7,950 |
| Copeland-Gsi #1H #1 | Milestone Smiley, LLC | 000107298 | 8.2 km | 25,000 | 9,230–9,750 |
| Kerlick #1 | Evx Operating LLC | 000104506 | 9.5 km | 17,500 | 5,695–5,710 |
Disposal in Karnes County → · How disposal permits and volumes work →
About this data
Event tx2023ofla 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/tx2023ofla, documented in the API reference.