EARTHQUAKES · GONZALES AREA · TX2018QIUS
Magnitude 2.0 16 km NE of Smiley, Texas
Tuesday, August 21, 2018, 7:08:36 AM Central · 2018-08-21 12:08:36 UTC
A magnitude 2.0 earthquake 16 km NE of Smiley, Texas on August 21, 2018 at 7:08 AM Central, 5.1 km deep, in the Gonzales County area.
It is one of 40 M2+ events located within 10 km of this spot, none in the thirty days before it; the largest nearby was M3.0.
2 active injection or disposal wells sit within 10 km, the nearest 0.9 km away and operated by Trisun Energy Services LLC; together they hold 40,000 barrels a day of permitted capacity.
- M2.0
- ML, reviewed
- 5.1
- km deep · 16,837 ft
- 0
- M2+ within 10 km, prior 30 days
- 40
- M2+ within 10 km, all time
- 2
- active injection wells within 10 km
- 250
- permitted wells within 10 km
Location
- Epicenter
- 29.3550, -97.4950
- County area
- Gonzales 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 |
|---|---|---|---|
| May 19, 2018, 12:31 AM | 2.3 | 7.3 km | 3.5 km |
| Oct 10, 2021, 6:41 AM | 2.5 | 9.1 km | 7.8 km |
| Oct 11, 2021, 10:36 AM | 2.2 | 7.7 km | 7.1 km |
| Oct 25, 2021, 10:49 AM | 2.3 | 4.1 km | 7.4 km |
| Jun 12, 2022, 1:44 PM | 2.1 | 9.1 km | 8.4 km |
| Jun 13, 2022, 9:53 AM | 2.3 | 9.1 km | 7.7 km |
| Jun 16, 2022, 10:09 AM | 2.8 | 9 km | 7.3 km |
| Jul 4, 2022, 11:26 PM | 2.3 | 9.3 km | 7.5 km |
| Jul 6, 2022, 11:29 AM | 2.5 | 9 km | 6.6 km |
| Aug 19, 2022, 8:39 AM | 2.9 | 8.9 km | 6.8 km |
| Aug 24, 2022, 3:15 AM | 2.1 | 9.4 km | 8.0 km |
| Oct 11, 2022, 11:52 AM | 2.6 | 9.1 km | 4.0 km |
Largest nearby on record: M3.0 on Jan 1, 2024.
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 |
|---|---|---|---|---|---|
| R. D. Tucker Unit #1 | Trisun Energy Services LLC | 000105558 | 0.9 km | 15,000 | 4,870–6,282 |
| TE Pilgrim SWD #2 | CWR Management LLC | 000106035 | 3.7 km | 25,000 | 10,400–12,500 |
Disposal in Gonzales County → · How disposal permits and volumes work →
About this data
Event tx2018qius 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/tx2018qius, documented in the API reference.