Petrora

EARTHQUAKES · TOM GREEN COUNTY

Earthquakes in the Tom Green County area

TexNet events inside the footprint of the county's 140 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 no M2+ earthquakes in the Tom Green County area in the last twelve months, after 1 the year before.

The largest on record here was M2.8 on May 2, 2024, 27 km E of Big Lake, Texas.

75 injection and disposal wells are active in the county, with 150,930 barrels a day of permitted capacity and 6.6 million barrels reported injected over the H-10 year to June 2025.

2 deep disposal wells here report daily to TexNet; they took 7,993 barrels a day in August 2026.

0
M2+ events, last 12 months -100%
0
M3+ events, last 12 months
1
M2+ events, last 2 years
M2.8
largest on record, May 2, 2024

M2+ events, by month

LAST FIVE YEARS

Last 12 months 4

0120242025

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.

  • M2.0–2.41

By year

YearM2+M3+Largest
202510M2.0
202410M2.8
202320M2.1

RRC UIC + H-10 · TexNet daily

Disposal in the same county

75
active injection wells
151K
bbl/d permitted
6.58M
bbl reported, H-10 year to Jun 2025
7.99K
bbl/d, 2 daily reporters, Aug 2026

All of Tom Green County's disposal wells and volumes →

Recent events

M2+ · NEWEST FIRST · TIMES IN CENTRAL

WhenMagWhereDepth
Sep 29, 2025, 10:04 AM2.029 km E of Big Lake, Texas5.9 km
May 2, 2024, 5:57 AM2.827 km E of Big Lake, Texas2.9 km
Oct 7, 2023, 10:24 PM2.125 km ESE of Big Lake, Texas5.0 km
Mar 16, 2023, 2:42 AM2.122 km ESE of Big Lake, Texas2.0 km

About this data

TexNet catalog events inside 30.99–31.75°N, 100.09–101.32°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/tom-green, documented in the API reference.