EARTHQUAKES · FRIO AREA · TX2017PDCK
Magnitude 2.0 12 km SW of Charlotte, Texas
Thursday, August 3, 2017, 10:40:10 PM Central · 2017-08-04 03:40:10 UTC
A magnitude 2.0 earthquake 12 km SW of Charlotte, Texas on August 3, 2017 at 10:40 PM Central, 3.3 km deep, in the Frio County area.
It is one of 19 M2+ events located within 10 km of this spot, none in the thirty days before it; the largest nearby was M2.8.
15 active injection or disposal wells sit within 10 km, the nearest 4.1 km away and operated by R360 Env Solutions of TX, LLC; together they hold 32,865 barrels a day of permitted capacity.
- M2.0
- ML, reviewed
- 3.3
- km deep · 10,964 ft
- 0
- M2+ within 10 km, prior 30 days
- 19
- M2+ within 10 km, all time
- 15
- active injection wells within 10 km
- 89
- permitted wells within 10 km
Location
- Epicenter
- 28.7820, -98.7940
- 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 |
|---|---|---|---|
| Dec 3, 2018, 8:31 PM | 2.4 | 9.3 km | 4.1 km |
| May 16, 2019, 5:55 PM | 2.5 | 5.9 km | 6.2 km |
| Jun 3, 2019, 12:20 PM | 2.0 | 8.4 km | 5.6 km |
| Mar 14, 2022, 8:04 AM | 2.0 | 6.2 km | 2.3 km |
| Feb 19, 2023, 7:57 AM | 2.2 | 6.3 km | 3.0 km |
| Jan 19, 2024, 3:31 AM | 2.0 | 9.1 km | 1.9 km |
| Jan 31, 2024, 9:50 AM | 2.0 | 10 km | 2.3 km |
| Feb 1, 2024, 6:15 PM | 2.0 | 10 km | 1.6 km |
| Feb 14, 2025, 7:29 AM | 2.7 | 7.6 km | 7.1 km |
| Feb 28, 2025, 2:23 PM | 2.2 | 8.5 km | 7.1 km |
| Feb 28, 2025, 4:08 PM | 2.6 | 7 km | 4.3 km |
| Jul 14, 2025, 6:47 PM | 2.8 | 5.3 km | 3.7 km |
Largest nearby on record: M2.8 on Jul 14, 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 |
|---|---|---|---|---|---|
| Reese SWD #1 | R360 Env Solutions of TX, LLC | 000103516 | 4.1 km | 25,000 | 5,430–8,100 |
| McLean, Marrs #1 | LP Operating, LLC | 000000457 | 4.4 km | 400 | 5,180–5,267 |
| Nixon, B. K. -B- #4 | Wen-BE | 000000440 | 4.8 km | 500 | 5,147–5,250 |
| Nixon, B. K. -B- #23 | Wen-BE | 000000444 | 5.3 km | 300 | 5,098–5,174 |
| Nixon, B. K. -B- #7 | Wen-BE | 000000442 | 5.4 km | 500 | 5,132–5,225 |
| Nixon, B. K. -B- #15 | Wen-BE | 000042094 | 5.7 km | 500 | 5,038–5,160 |
| Davis, M. M. -B- #17 | Wen-BE | 000000422 | 5.9 km | 500 | 5,029–5,074 |
| Davis, M. M. -B- #12 | Wen-BE | 000055146 | 6.1 km | 1,200 | 5,032–5,110 |
| Davis, M. M. -B- #2 | Wen-BE | 000000416 | 6.1 km | 500 | 5,084–5,195 |
| Davis, M. M. -B- #13 | Wen-BE | 000000419 | 6.4 km | 500 | 5,011–5,080 |
| Davis, M. M. -B- #7 | Wen-BE | 000000418 | 6.6 km | 500 | 5,017–5,096 |
| Charlotte Waterflood Unit No. 3 #2 | Wen-BE | 000000447 | 6.7 km | 1,200 | 5,087–5,143 |
| McBride, A. K. #9 | Wen-BE | 000042138 | 6.8 km | 500 | 5,086–5,190 |
| Charlotte Waterflood Unit No. 4 #16 | Wen-BE | 000042096 | 6.9 km | 265 | 5,142–5,179 |
| McBride, A. K. #19 | Wen-BE | 000000433 | 7.2 km | 500 | 5,032–5,104 |
Disposal in Frio County → · How disposal permits and volumes work →
About this data
Event tx2017pdck 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/tx2017pdck, documented in the API reference.