EARTHQUAKES · GOLIAD AREA · TX2023TUMB
Magnitude 3.9 3 km N of Nordheim, Texas
Monday, October 9, 2023, 8:59:22 AM Central · 2023-10-09 13:59:22 UTC
A magnitude 3.9 earthquake 3 km N of Nordheim, Texas on October 9, 2023 at 8:59 AM Central, 4.5 km deep, in the Goliad County area.
It is one of 40 M2+ events TexNet has located within 10 km of this spot, 1 of them in the thirty days before it; this is the largest of them.
5 active injection or disposal wells sit within 10 km, the nearest 2.7 km away and operated by KB Shaw, LLC; together they hold 100,000 barrels a day of permitted capacity.
- M3.9
- ML, reviewed
- 4.5
- km deep · 14,928 ft
- 1
- M2+ within 10 km, prior 30 days
- 40
- M2+ within 10 km, all time
- 5
- active injection wells within 10 km
- 501
- permitted wells within 10 km
Location
- Epicenter
- 28.9530, -97.6110
- County area
- Goliad County
- On a map
- OpenStreetMap ↗
- Catalog
- TexNet earthquake catalog ↗
Around it in time and space
M2+ events within 10 km, nearest in time first.
| When | Mag | Distance | Depth |
|---|---|---|---|
| Oct 7, 2023, 10:19 AM | 2.2 | 1.1 km | 4.7 km |
| Sep 1, 2023, 7:11 AM | 2.9 | 2.1 km | 6.8 km |
| Aug 21, 2023, 9:46 PM | 2.6 | 2.6 km | 4.0 km |
| Aug 19, 2023, 9:19 AM | 2.1 | 3.6 km | 7.0 km |
| Aug 18, 2023, 8:18 AM | 2.4 | 1.8 km | 4.0 km |
| Aug 18, 2023, 12:14 AM | 2.9 | 1.7 km | 4.1 km |
| Aug 17, 2023, 12:37 PM | 2.3 | 2.5 km | 3.6 km |
| Jul 28, 2024, 4:34 AM | 2.0 | 3.6 km | 4.7 km |
| Jul 29, 2024, 4:52 PM | 2.3 | 3.4 km | 4.7 km |
| Aug 16, 2024, 10:41 PM | 2.0 | 2.5 km | 4.8 km |
| Jul 12, 2022, 3:39 PM | 2.8 | 9.7 km | 6.5 km |
| Jul 12, 2022, 4:55 AM | 2.6 | 5.6 km | 3.7 km |
Largest nearby on record: M2.9 on Sep 1, 2023.
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 |
|---|---|---|---|---|---|
| D'laine SWD #2 | KB Shaw, LLC | 000101248 | 2.7 km | 20,000 | 3,600–4,500 |
| Wm ES Hohn RD SWD NO #1 | Petro Waste Environmental LP | 000125378 | 4 km | 15,000 | 5,500–7,700 |
| Yorktown West 72 SWD #1 | Evx Oper LLC | 000104493 | 4.9 km | 20,000 | 6,600–8,000 |
| Rooster SWD #1 | Goodnight Midstream Permian, LLC | 000118564 | 7 km | 25,000 | 6,100–10,000 |
| Phoenix #1 | Phoenix Midstream, LLC | 000105700 | 8.8 km | 20,000 | 6,400–7,700 |
Disposal in Goliad County → · How disposal permits and volumes work →
About this data
TexNet catalog event tx2023tumb, as published by the 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/tx2023tumb, documented in the API reference.