EARTHQUAKES · MCMULLEN COUNTY

Earthquakes in the McMullen County area

TexNet events inside the footprint of the county's 1,331 located permits, padded 0.1°. Events carry no county, so this is an area, and border clusters show up in more than one. The county's disposal wells →

TexNet located 18 M2+ earthquakes in the McMullen County area in the last twelve months, 14% fewer than the year before.

The largest on record here was M3.3 on October 26, 2022, 11 km NW of Tilden, Texas.

50 injection and disposal wells are active in the county, with 387,860 barrels a day of permitted capacity and 36 million barrels reported injected over the H-10 year to June 2025.

18
M2+ events, last 12 months -14%
0
M3+ events, last 12 months
39
M2+ events, last 2 years
M3.3
largest on record, Oct 26, 2022

M2+ events, by month

LAST FIVE YEARS

Last 12 months 39 · prior 12 43(-9%)

05102023202420252026

M2–2.9M3+

By magnitude

M2+ events in the last two years, in half-magnitude steps. Each step up is about 32 times the energy.

  • M2.0–2.433
  • M2.5–2.96

By year

YearM2+M3+Largest
2026150M2.8
2025220M2.7
2024260M2.9
2023190M2.8
2022111M3.3
2021101M3.1
2019140M2.6
201720M2.4

RRC UIC + H-10 · TexNet daily

Disposal in the same county

50
active injection wells
388K
bbl/d permitted
36.4M
bbl reported, H-10 year to Jun 2025

All of McMullen County's disposal wells and volumes →

Recent events

M2+ · NEWEST FIRST · TIMES IN CENTRAL

WhenMagWhereDepth
May 18, 2026, 9:47 PM2.17 km SSE of Christine, Texas8.9 km
May 18, 2026, 5:29 AM2.020 km NW of Three Rivers, Texas8.3 km
May 15, 2026, 11:25 AM2.17 km SSE of Christine, Texas7.6 km
Feb 26, 2026, 6:29 PM2.120 km WNW of Three Rivers, Texas7.5 km
Feb 11, 2026, 9:11 AM2.19 km SSE of Fowlerton, Texas4.0 km
Feb 10, 2026, 8:35 AM2.18 km SSE of Fowlerton, Texas3.4 km
Feb 5, 2026, 5:34 AM2.010 km SE of Fowlerton, Texas6.1 km
Feb 3, 2026, 10:57 PM2.111 km SSE of Fowlerton, Texas5.5 km
Feb 2, 2026, 6:23 AM2.010 km SSE of Fowlerton, Texas7.3 km
Jan 21, 2026, 12:18 PM2.09 km SSE of Fowlerton, Texas4.8 km
Jan 20, 2026, 11:20 PM2.39 km SSE of Fowlerton, Texas9.3 km
Jan 20, 2026, 6:55 PM2.211 km SSE of Fowlerton, Texas5.8 km
Jan 20, 2026, 8:10 AM2.311 km SSE of Fowlerton, Texas5.6 km
Jan 19, 2026, 10:26 PM2.812 km SE of Fowlerton, Texas6.7 km
Jan 19, 2026, 4:49 PM2.111 km SE of Fowlerton, Texas7.4 km
Dec 22, 2025, 7:50 AM2.518 km SW of Charlotte, Texas6.9 km
Dec 18, 2025, 7:15 AM2.617 km SW of Charlotte, Texas6.5 km
Dec 4, 2025, 6:00 PM2.213 km SE of Tilden, Texas13.8 km
Sep 25, 2025, 3:23 PM2.219 km SW of Charlotte, Texas6.9 km
Sep 18, 2025, 9:06 PM2.222 km NNW of Fowlerton, Texas8.2 km
Aug 14, 2025, 5:42 PM2.120 km SW of Charlotte, Texas7.9 km
Jul 26, 2025, 7:58 PM2.122 km NNW of Three Rivers, Texas5.2 km
Jul 26, 2025, 5:10 AM2.522 km NNW of Three Rivers, Texas5.1 km
Apr 11, 2025, 6:58 PM2.122 km NNW of Three Rivers, Texas5.1 km
Mar 18, 2025, 3:42 AM2.012 km S of Fowlerton, Texas4.9 km

About this data

TexNet catalog events inside 27.96–28.75°N, 98.24–98.90°W, refreshed daily. Disposal figures from the RRC UIC well master and H-10 filings at the last settled month.

Developers: this page as JSON is GET /v1/data/earthquakes/tx/mcmullen, documented in the API reference.