EARTHQUAKES · FRIO AREA · TX2017PTQK
Magnitude 2.4 17 km NNW of Fowlerton, Texas
Saturday, August 12, 2017, 11:54:18 PM Central · 2017-08-13 04:54:18 UTC
A magnitude 2.4 earthquake 17 km NNW of Fowlerton, Texas on August 12, 2017 at 11:54 PM Central, 6.7 km deep, in the Frio County area.
It is one of 25 M2+ events located within 10 km of this spot, none in the thirty days before it; this is the largest of them.
2 active injection or disposal wells sit within 10 km, the nearest 3.9 km away and operated by Evx Operating LLC; together they hold 50,000 barrels a day of permitted capacity.
- M2.4
- ML, reviewed
- 6.7
- km deep · 22,107 ft
- 0
- M2+ within 10 km, prior 30 days
- 25
- M2+ within 10 km, all time
- 2
- active injection wells within 10 km
- 352
- permitted wells within 10 km
Location
- Epicenter
- 28.6190, -98.8490
- County area
- Frio 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 28, 2019, 1:38 AM | 2.1 | 9.9 km | 6.2 km |
| May 29, 2019, 3:03 AM | 2.0 | 9.8 km | 6.7 km |
| May 29, 2019, 9:05 PM | 2.3 | 10 km | 6.1 km |
| Apr 11, 2021, 6:32 AM | 2.4 | 7.3 km | 5.4 km |
| Apr 12, 2021, 3:51 AM | 2.1 | 6.1 km | 5.7 km |
| Dec 5, 2021, 7:51 AM | 2.0 | 7.3 km | 6.1 km |
| Mar 15, 2022, 11:15 AM | 2.3 | 3.5 km | 5.0 km |
| Mar 18, 2022, 9:15 PM | 2.2 | 9.8 km | 7.7 km |
| Mar 27, 2022, 4:50 AM | 2.1 | 9 km | 5.2 km |
| Jul 13, 2023, 11:11 PM | 2.2 | 6.4 km | 5.8 km |
| Jan 31, 2024, 9:50 AM | 2.0 | 9 km | 2.3 km |
| Jan 5, 2025, 7:39 PM | 2.1 | 5.9 km | 7.0 km |
Largest nearby on record: M2.4 on Jan 6, 2025.
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 R Prince Ranch SWD, Ltd #1 | Evx Operating LLC | 000105164 | 3.9 km | 25,000 | 8,600–10,500 |
| Donnell SWD #1 | Evx Operating LLC | 000104749 | 5.5 km | 25,000 | 10,000–11,000 |
Disposal in Frio County → · How disposal permits and volumes work →
About this data
Event tx2017ptqk 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/tx2017ptqk, documented in the API reference.