EARTHQUAKES · KARNES AREA · TX2018NXUN
Magnitude 2.0 12 km ESE of Smiley, Texas
Tuesday, July 17, 2018, 7:27:11 PM Central · 2018-07-18 00:27:11 UTC
A magnitude 2.0 earthquake 12 km ESE of Smiley, Texas on July 17, 2018 at 7:27 PM Central, 5.0 km deep, in the Karnes County area.
It is one of 86 M2+ events located within 10 km of this spot, none in the thirty days before it; the largest nearby was M3.5.
6 active injection or disposal wells sit within 10 km, the nearest 1.8 km away and operated by Evx Operating LLC; together they hold 96,000 barrels a day of permitted capacity.
- M2.0
- ML, reviewed
- 5.0
- km deep · 16,494 ft
- 0
- M2+ within 10 km, prior 30 days
- 86
- M2+ within 10 km, all time
- 6
- active injection wells within 10 km
- 633
- permitted wells within 10 km
Location
- Epicenter
- 29.2100, -97.5300
- 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 |
|---|---|---|---|
| May 19, 2018, 12:31 AM | 2.3 | 9.3 km | 3.5 km |
| Dec 14, 2018, 2:04 PM | 2.1 | 6.2 km | 8.9 km |
| Jan 16, 2019, 7:34 AM | 2.2 | 8.8 km | 4.1 km |
| Jan 19, 2019, 5:42 AM | 2.3 | 8 km | 6.4 km |
| Jan 23, 2019, 9:34 AM | 2.5 | 9.8 km | 9.3 km |
| Feb 2, 2019, 11:00 PM | 3.0 | 2.1 km | 5.0 km |
| Feb 3, 2019, 1:42 AM | 2.2 | 3.9 km | 7.0 km |
| Apr 17, 2019, 10:45 PM | 2.4 | 9.4 km | 5.7 km |
| May 3, 2019, 6:03 PM | 2.1 | 2.8 km | 7.4 km |
| May 4, 2019, 10:03 AM | 2.1 | 2.8 km | 8.7 km |
| May 4, 2019, 4:51 PM | 2.5 | 3.7 km | 3.7 km |
| May 5, 2019, 5:17 AM | 2.5 | 3.8 km | 6.6 km |
Largest nearby on record: M3.5 on Oct 30, 2022.
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 |
|---|---|---|---|---|---|
| Westhoff SWD #1 | Evx Operating LLC | 000105426 | 1.8 km | 20,000 | 4,920–6,680 |
| Borchers, H. F. #1 | Yates Energy Corporation | 000039028 | 4.4 km | 1,000 | 2,100–2,500 |
| District Westhoff SWD #1 | Advantek Eagleford LLC | 000108684 | 4.9 km | 25,000 | 4,300–8,300 |
| R W Pawlik Jr Unit A #501 | Burlington Resources O & G Co LP | 000124613 | 5 km | — | 11,941–12,745 |
| Westhoff SWD #1 | Goodnight Midstream Permian, LLC | 000105443 | 9.3 km | 25,000 | 5,000–8,600 |
| Copeland-Gsi #1H #1 | Milestone Smiley, LLC | 000107298 | 9.8 km | 25,000 | 9,230–9,750 |
Disposal in Karnes County → · How disposal permits and volumes work →
About this data
Event tx2018nxun 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/tx2018nxun, documented in the API reference.