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EARTHQUAKES · WEBB COUNTY

Earthquakes in the Webb County area

TexNet events inside the footprint of the county's 2,424 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 Webb County area in the last twelve months, after 3 the year before.

The largest on record here was M2.3 on May 27, 2025, 28 km SW of Asherton, Texas.

66 injection and disposal wells are active in the county, with 301,280 barrels a day of permitted capacity and 7.6 million barrels reported injected over the H-10 year to June 2025.

0
M2+ events, last 12 months -100%
0
M3+ events, last 12 months
3
M2+ events, last 2 years
M2.3
largest on record, May 27, 2025

M2+ events, by month

LAST FIVE YEARS

Last 12 months 4

012025

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.

  • M2.0–2.43

By year

YearM2+M3+Largest
202530M2.3
202310M2.1
202110M2.0
201710M2.0

RRC UIC + H-10 · TexNet daily

Disposal in the same county

66
active injection wells
301K
bbl/d permitted
7.57M
bbl reported, H-10 year to Jun 2025

All of Webb County's disposal wells and volumes →

Recent events

M2+ · NEWEST FIRST · TIMES IN CENTRAL

WhenMagWhereDepth
Aug 21, 2025, 4:24 AM2.121 km SW of Catarina, Texas6.0 km
Jun 2, 2025, 3:46 AM2.216 km S of Asherton, Texas1.5 km
May 27, 2025, 2:13 AM2.328 km SW of Asherton, Texas7.1 km
May 4, 2023, 10:10 PM2.123 km SSW of Asherton, Texas7.7 km
Aug 13, 2021, 11:59 AM2.022 km SSW of Asherton, Texas5.2 km
Oct 22, 2017, 3:56 AM2.033 km SSW of Asherton, Texas3.8 km

About this data

TexNet catalog events inside 27.17–28.30°N, 98.73–100.23°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/webb, documented in the API reference.