EARTHQUAKES · FRIO AREA · TX2024CEAM
Magnitude 2.0 21 km SSW of Charlotte, Texas
Wednesday, January 31, 2024, 9:50:15 AM Central · 2024-01-31 15:50:15 UTC
A magnitude 2.0 earthquake 21 km SSW of Charlotte, Texas on January 31, 2024 at 9:50 AM Central, 2.3 km deep, in the Frio County area.
It is one of 38 M2+ events located within 10 km of this spot, 1 of them in the thirty days before it; the largest nearby was M2.8.
2 active injection or disposal wells sit within 10 km, the nearest 7.2 km away and operated by Evx Operating LLC; together they hold 50,000 barrels a day of permitted capacity.
- M2.0
- ML, reviewed
- 2.3
- km deep · 7,522 ft
- 1
- M2+ within 10 km, prior 30 days
- 38
- M2+ within 10 km, all time
- 2
- active injection wells within 10 km
- 266
- permitted wells within 10 km
Location
- Epicenter
- 28.6940, -98.8150
- 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 |
|---|---|---|---|
| Feb 1, 2024, 6:15 PM | 2.0 | 4.5 km | 1.6 km |
| Jan 19, 2024, 3:31 AM | 2.0 | 6.1 km | 1.9 km |
| Jan 5, 2025, 7:39 PM | 2.1 | 7.6 km | 7.0 km |
| Jan 5, 2025, 9:12 PM | 2.2 | 6.9 km | 7.8 km |
| Jan 5, 2025, 9:26 PM | 2.1 | 7.3 km | 8.7 km |
| Jan 6, 2025, 1:51 AM | 2.4 | 6.6 km | 5.3 km |
| Jan 6, 2025, 3:02 AM | 2.2 | 7.9 km | 3.9 km |
| Jan 6, 2025, 3:15 AM | 2.1 | 7.7 km | 8.0 km |
| Jan 6, 2025, 3:18 AM | 2.0 | 7.7 km | 7.9 km |
| Feb 19, 2023, 7:57 AM | 2.2 | 4.2 km | 3.0 km |
| Jan 12, 2025, 5:37 AM | 2.3 | 6.5 km | 6.0 km |
| Jan 13, 2025, 10:22 AM | 2.2 | 5.6 km | 6.3 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 |
|---|---|---|---|---|---|
| R R Prince Ranch SWD, Ltd #1 | Evx Operating LLC | 000105164 | 7.2 km | 25,000 | 8,600–10,500 |
| Donnell SWD #1 | Evx Operating LLC | 000104749 | 7.8 km | 25,000 | 10,000–11,000 |
Disposal in Frio County → · How disposal permits and volumes work →
About this data
Event tx2024ceam 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/tx2024ceam, documented in the API reference.