EARTHQUAKES · LAVACA AREA · TX2019RPAP
Magnitude 2.1 2 km NNW of Hallettsville, Texas
Saturday, September 7, 2019, 10:26:57 PM Central · 2019-09-08 03:26:57 UTC
A magnitude 2.1 earthquake 2 km NNW of Hallettsville, Texas on September 7, 2019 at 10:26 PM Central, 5.1 km deep, in the Lavaca County area.
It is one of 4 M2+ events located within 10 km of this spot, none in the thirty days before it; the largest nearby was M2.7.
3 active injection or disposal wells sit within 10 km, the nearest 3.1 km away and operated by Pro Field Services, Inc.; together they hold 3,500 barrels a day of permitted capacity.
- M2.1
- ML, reviewed
- 5.1
- km deep · 16,777 ft
- 0
- M2+ within 10 km, prior 30 days
- 4
- M2+ within 10 km, all time
- 3
- active injection wells within 10 km
- 60
- permitted wells within 10 km
Location
- Epicenter
- 29.4620, -96.9540
- County area
- Lavaca 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 |
|---|---|---|---|
| Aug 24, 2021, 2:54 PM | 2.6 | 1.3 km | 5.0 km |
| Jun 17, 2023, 7:27 PM | 2.3 | 2.4 km | 8.0 km |
| Oct 25, 2026, 2:54 PM | 2.7 | 7.2 km | 2.7 km |
Largest nearby on record: M2.7 on Oct 25, 2026.
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 |
|---|---|---|---|---|---|
| Hrncir SWD #1 | Pro Field Services, Inc. | 000062451 | 3.1 km | 1,200 | 5,720–6,100 |
| Von Rosenberg, Monte Gas Unit #1D | Capital Star Oil & Gas, Inc. | 000039196 | 3.1 km | 800 | 3,510–3,680 |
| Dornak, Mike E. #1 | Capital Star Oil & Gas, Inc. | 000088853 | 8.4 km | 1,500 | 3,785–3,920 |
Disposal in Lavaca County → · How disposal permits and volumes work →
About this data
Event tx2019rpap 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/tx2019rpap, documented in the API reference.