EARTHQUAKES · KARNES AREA · TX2017FNEF
Magnitude 2.2 8 km NW of Yorktown, Texas
Monday, March 20, 2017, 3:35:37 AM Central · 2017-03-20 08:35:37 UTC
A magnitude 2.2 earthquake 8 km NW of Yorktown, Texas on March 20, 2017 at 3:35 AM Central, 3.1 km deep, in the Karnes County area.
It is one of 34 M2+ events located within 10 km of this spot, none in the thirty days before it; the largest nearby was M2.9.
4 active injection or disposal wells sit within 10 km, the nearest 3.5 km away and operated by Goodnight Midstream Permian, LLC; together they hold 75,000 barrels a day of permitted capacity.
- M2.2
- ML, reviewed
- 3.1
- km deep · 10,080 ft
- 0
- M2+ within 10 km, prior 30 days
- 34
- M2+ within 10 km, all time
- 4
- active injection wells within 10 km
- 718
- permitted wells within 10 km
Location
- Epicenter
- 29.0360, -97.5700
- 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 |
|---|---|---|---|
| Mar 22, 2017, 3:51 PM | 2.1 | 4.8 km | 1.4 km |
| Aug 16, 2018, 10:00 AM | 2.9 | 6.6 km | 5.0 km |
| Apr 23, 2019, 6:29 AM | 2.1 | 2.4 km | 5.0 km |
| Sep 10, 2019, 5:06 AM | 2.0 | 8.1 km | 5.5 km |
| Jul 6, 2021, 8:56 PM | 2.3 | 8.2 km | 4.6 km |
| Jul 7, 2021, 11:08 PM | 2.3 | 7.9 km | 3.0 km |
| Jul 9, 2021, 6:10 AM | 2.4 | 5 km | 5.1 km |
| Oct 28, 2021, 2:15 PM | 2.2 | 8.6 km | 6.2 km |
| Oct 28, 2021, 7:58 PM | 2.3 | 9.1 km | 10.0 km |
| Oct 29, 2021, 4:47 PM | 2.4 | 8.8 km | 6.0 km |
| Oct 31, 2021, 3:20 PM | 2.0 | 8.9 km | 4.9 km |
| Nov 1, 2021, 3:44 PM | 2.0 | 8.6 km | 5.5 km |
Largest nearby on record: M2.9 on Aug 16, 2018.
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 |
|---|---|---|---|---|---|
| Rooster SWD #1 | Goodnight Midstream Permian, LLC | 000118564 | 3.5 km | 25,000 | 6,100–10,000 |
| Phoenix #1 | Phoenix Midstream, LLC | 000105700 | 7.7 km | 20,000 | 6,400–7,700 |
| Yorktown West 72 SWD #1 | Evx Operating LLC | 000104493 | 7.9 km | 20,000 | 6,600–8,000 |
| Fort Worth National Bank #0001W | 2 D Oil & Gas LLC | 000106889 | 9 km | 10,000 | 3,400–4,200 |
Disposal in Karnes County → · How disposal permits and volumes work →
About this data
Event tx2017fnef 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/tx2017fnef, documented in the API reference.