EARTHQUAKES · KARNES AREA · TX2018DNFS
Magnitude 2.6 16 km N of Runge, Texas
Monday, February 19, 2018, 4:16:02 PM Central · 2018-02-19 22:16:02 UTC
A magnitude 2.6 earthquake 16 km N of Runge, Texas on February 19, 2018 at 4:16 PM Central, 4.0 km deep, in the Karnes County area.
It is one of 55 M2+ events located within 10 km of this spot, none in the thirty days before it; the largest nearby was M3.3.
4 active injection or disposal wells sit within 10 km, the nearest 5.7 km away and operated by Pilot Water Solutions SWD LLC; together they hold 110,000 barrels a day of permitted capacity.
3 of the nearby wells report daily to TexNet; they injected 27,990 barrels a day in August 2026.
- M2.6
- ML, reviewed
- 4.0
- km deep · 13,026 ft
- 0
- M2+ within 10 km, prior 30 days
- 55
- M2+ within 10 km, all time
- 4
- active injection wells within 10 km
- 1,086
- permitted wells within 10 km
Location
- Epicenter
- 29.0300, -97.7390
- 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 |
|---|---|---|---|
| Apr 29, 2018, 11:59 AM | 2.7 | 5.5 km | 5.0 km |
| Aug 2, 2018, 3:20 PM | 2.6 | 8.9 km | 5.0 km |
| Mar 21, 2017, 11:43 AM | 2.0 | 5.8 km | 3.7 km |
| Apr 18, 2020, 8:33 AM | 3.1 | 9.6 km | 5.0 km |
| Nov 5, 2020, 10:39 AM | 2.7 | 8.1 km | 7.4 km |
| Nov 5, 2020, 3:45 PM | 2.7 | 7.4 km | 6.5 km |
| Jul 23, 2021, 10:31 AM | 2.0 | 9.6 km | 6.5 km |
| Apr 4, 2022, 12:56 PM | 2.4 | 9.9 km | 7.3 km |
| Apr 4, 2022, 10:07 PM | 2.3 | 9.4 km | 7.1 km |
| May 4, 2022, 10:23 AM | 2.2 | 8.7 km | 7.5 km |
| May 5, 2022, 4:07 PM | 2.0 | 8.1 km | 7.8 km |
| May 5, 2022, 5:00 PM | 2.1 | 9.3 km | 8.0 km |
Largest nearby on record: M3.3 on Sep 20, 2025.
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. 3 of these report daily to TexNet: 28K bbl/d in Aug 2026.
| Well | Operator | UIC no. | Distance | Permitted, bbl/d | Injection zone, ft |
|---|---|---|---|---|---|
| Karnes SWD #1 | Pilot Water Solutions SWD LLC | 000104027 | 5.7 km | 25,000 | 5,400–7,100 |
| Karnes SWD #1 | Crosstex Environmental STX, LLC | 000101718 | 6.7 km | 40,000 | 5,400–7,100 |
| J. P. Wright #1 | Evx Operating LLC | 000109247 | 6.7 km | 20,000 | 5,500–7,200 |
| Henning #2 | Pilot Water Solutions SWD LLC | 000115129 | 8.9 km | 25,000 | 5,300–7,950 |
Disposal in Karnes County → · How disposal permits and volumes work →
About this data
Event tx2018dnfs 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/tx2018dnfs, documented in the API reference.