EARTHQUAKES · KARNES AREA · TX2021HSII
Magnitude 2.0 11 km SSW of Smiley, Texas
Tuesday, April 20, 2021, 10:23:46 AM Central · 2021-04-20 15:23:46 UTC
A magnitude 2.0 earthquake 11 km SSW of Smiley, Texas on April 20, 2021 at 10:23 AM Central, 6.9 km deep, in the Karnes County area.
It is one of 81 M2+ events located within 10 km of this spot, 13 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 6.9 km away and operated by Milestone Smiley, LLC; together they hold 82,500 barrels a day of permitted capacity.
- M2.0
- ML, reviewed
- 6.9
- km deep · 22,534 ft
- 13
- M2+ within 10 km, prior 30 days
- 81
- M2+ within 10 km, all time
- 4
- active injection wells within 10 km
- 549
- permitted wells within 10 km
Location
- Epicenter
- 29.1710, -97.6740
- 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 23, 2021, 1:07 AM | 2.3 | 7.2 km | 7.0 km |
| Apr 10, 2021, 1:57 PM | 2.0 | 6.7 km | 8.1 km |
| Apr 10, 2021, 11:07 AM | 2.5 | 7 km | 5.7 km |
| Apr 10, 2021, 1:01 AM | 2.0 | 7.1 km | 6.0 km |
| Apr 10, 2021, 12:49 AM | 3.4 | 6.7 km | 5.2 km |
| Apr 9, 2021, 8:29 AM | 2.0 | 6.9 km | 5.6 km |
| Apr 8, 2021, 1:05 PM | 2.2 | 6.9 km | 7.7 km |
| Apr 8, 2021, 12:43 PM | 2.8 | 6.5 km | 7.6 km |
| Apr 1, 2021, 2:26 AM | 2.0 | 5.3 km | 6.0 km |
| Mar 31, 2021, 9:19 PM | 2.5 | 6.3 km | 4.8 km |
| Mar 30, 2021, 1:59 PM | 2.1 | 6.2 km | 7.8 km |
| Mar 30, 2021, 3:49 AM | 2.1 | 6.7 km | 9.3 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 | 6.9 km | 25,000 | 9,230–9,750 |
| Wilke SWD #1 | Mid River Midstream LLC | 000076501 | 7.6 km | 7,500 | 5,000–5,484 |
| Henning #2 | Pilot Water Solutions SWD LLC | 000115129 | 8.8 km | 25,000 | 5,300–7,950 |
| Lamza SWD #1 | Goodnight Midstream Permian, LLC | 000103533 | 8.9 km | 25,000 | 5,000–8,000 |
Disposal in Karnes County → · How disposal permits and volumes work →
About this data
Event tx2021hsii 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/tx2021hsii, documented in the API reference.