EARTHQUAKES · KARNES AREA · TX2021GFLT
Magnitude 2.1 10 km SSE of Smiley, Texas
Tuesday, March 30, 2021, 3:49:33 AM Central · 2021-03-30 08:49:33 UTC
A magnitude 2.1 earthquake 10 km SSE of Smiley, Texas on March 30, 2021 at 3:49 AM Central, 9.3 km deep, in the Karnes County area.
It is one of 72 M2+ events located within 10 km of this spot, 6 of them in the thirty days before it; the largest nearby was M3.4.
4 active injection or disposal wells sit within 10 km, the nearest 5.1 km away and operated by Milestone Smiley, LLC; together they hold 71,000 barrels a day of permitted capacity.
- M2.1
- ML, reviewed
- 9.3
- km deep · 30,500 ft
- 6
- M2+ within 10 km, prior 30 days
- 72
- M2+ within 10 km, all time
- 4
- active injection wells within 10 km
- 650
- permitted wells within 10 km
Location
- Epicenter
- 29.1800, -97.6060
- 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 30, 2021, 1:59 PM | 2.1 | 1 km | 7.8 km |
| Mar 31, 2021, 9:19 PM | 2.5 | 0.4 km | 4.8 km |
| Mar 28, 2021, 9:53 AM | 2.0 | 0.2 km | 6.6 km |
| Apr 1, 2021, 2:26 AM | 2.0 | 2.8 km | 6.0 km |
| Mar 28, 2021, 1:51 AM | 2.1 | 1.5 km | 7.4 km |
| Mar 22, 2021, 11:04 PM | 2.0 | 9.2 km | 7.1 km |
| Apr 8, 2021, 12:43 PM | 2.8 | 0.7 km | 7.6 km |
| Apr 8, 2021, 1:05 PM | 2.2 | 0.3 km | 7.7 km |
| Apr 9, 2021, 8:29 AM | 2.0 | 0.2 km | 5.6 km |
| Apr 10, 2021, 12:49 AM | 3.4 | 0.1 km | 5.2 km |
| Apr 10, 2021, 1:01 AM | 2.0 | 0.6 km | 6.0 km |
| Apr 10, 2021, 11:07 AM | 2.5 | 0.4 km | 5.7 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 |
|---|---|---|---|---|---|
| Copeland-Gsi #1H #1 | Milestone Smiley, LLC | 000107298 | 5.1 km | 25,000 | 9,230–9,750 |
| TE Yorktown SWD #1 | Goodnight Midstream Permian, LLC | 000105684 | 6.3 km | 25,000 | 4,400–7,900 |
| Borchers, H. F. #1 | Yates Energy Corporation | 000039028 | 6.4 km | 1,000 | 2,100–2,500 |
| Westhoff SWD #1 | Evx Operating LLC | 000105426 | 8.3 km | 20,000 | 4,920–6,680 |
Disposal in Karnes County → · How disposal permits and volumes work →
About this data
Event tx2021gflt 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/tx2021gflt, documented in the API reference.