EARTHQUAKES · KARNES AREA · TX2021FSHV
Magnitude 2.0 10 km ESE of Smiley, Texas
Monday, March 22, 2021, 11:04:27 PM Central · 2021-03-23 04:04:27 UTC
A magnitude 2.0 earthquake 10 km ESE of Smiley, Texas on March 22, 2021 at 11:04 PM Central, 7.1 km deep, in the Karnes County area.
It is one of 89 M2+ events located within 10 km of this spot, 3 of them in the thirty days before it; the largest nearby was M3.5.
5 active injection or disposal wells sit within 10 km, the nearest 1.2 km away and operated by Evx Operating LLC; together they hold 71,000 barrels a day of permitted capacity.
- M2.0
- ML, reviewed
- 7.1
- km deep · 23,234 ft
- 3
- M2+ within 10 km, prior 30 days
- 89
- M2+ within 10 km, all time
- 5
- active injection wells within 10 km
- 530
- permitted wells within 10 km
Location
- Epicenter
- 29.2350, -97.5350
- 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 28, 2021, 1:51 AM | 2.1 | 7.8 km | 7.4 km |
| Mar 28, 2021, 9:53 AM | 2.0 | 9 km | 6.6 km |
| Mar 30, 2021, 3:49 AM | 2.1 | 9.2 km | 9.3 km |
| Mar 30, 2021, 1:59 PM | 2.1 | 9.3 km | 7.8 km |
| Mar 31, 2021, 9:19 PM | 2.5 | 9.7 km | 4.8 km |
| Mar 12, 2021, 5:15 AM | 2.2 | 9.2 km | 4.7 km |
| Mar 11, 2021, 4:16 AM | 2.1 | 8.3 km | 5.3 km |
| Apr 8, 2021, 12:43 PM | 2.8 | 9 km | 7.6 km |
| Apr 8, 2021, 1:05 PM | 2.2 | 8.9 km | 7.7 km |
| Apr 9, 2021, 8:29 AM | 2.0 | 9 km | 5.6 km |
| Apr 10, 2021, 12:49 AM | 3.4 | 9.1 km | 5.2 km |
| Apr 10, 2021, 1:01 AM | 2.0 | 8.6 km | 6.0 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 | 1.2 km | 20,000 | 4,920–6,680 |
| District Westhoff SWD #1 | Advantek Eagleford LLC | 000108684 | 6.7 km | 25,000 | 4,300–8,300 |
| Borchers, H. F. #1 | Yates Energy Corporation | 000039028 | 7.1 km | 1,000 | 2,100–2,500 |
| R W Pawlik Jr Unit A #501 | Burlington Resources O & G Co LP | 000124613 | 7.6 km | — | 11,941–12,745 |
| Copeland-Gsi #1H #1 | Milestone Smiley, LLC | 000107298 | 9.4 km | 25,000 | 9,230–9,750 |
Disposal in Karnes County → · How disposal permits and volumes work →
About this data
Event tx2021fshv 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/tx2021fshv, documented in the API reference.