Petrora

EARTHQUAKES · FRIO COUNTY

Earthquakes in the Frio County area

TexNet events inside the footprint of the county's 506 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 364 M2+ earthquakes in the Frio County area in the last twelve months, 355% more than the year before, 4 of them M3 or more.

The largest on record here was M3.6 on July 12, 2026, 11 km SSE of Dilley, Texas.

147 injection and disposal wells are active in the county, with 452,100 barrels a day of permitted capacity and 15 million barrels reported injected over the H-10 year to June 2025.

364
M2+ events, last 12 months +355%
4
M3+ events, last 12 months
412
M2+ events, last 2 years
M3.6
largest on record, Jul 12, 2026

M2+ events, by month

LAST FIVE YEARS

Last 12 months 362 · prior 12 80(+353%)

05010015020222023202420252026

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.

  • M2.0–2.4393
  • M2.5–2.947
  • M3.0–3.42
  • M3.5–3.92

By year

YearM2+M3+Largest
20263603M3.6
2025811M3.5
2024150M2.9
202380M2.6
2022180M2.5
202180M2.4
202020M2.3
2019160M2.5
201810M2.4
201720M2.4

RRC UIC + H-10 · TexNet daily

Disposal in the same county

147
active injection wells
452K
bbl/d permitted
14.6M
bbl reported, H-10 year to Jun 2025

All of Frio County's disposal wells and volumes →

Recent events

M2+ · NEWEST FIRST · TIMES IN CENTRAL

WhenMagWhereDepth
Nov 3, 2026, 9:59 AM2.013 km ESE of Pearsall, Texas7.4 km
Nov 2, 2026, 8:37 PM2.313 km WNW of Hilltop, Texas5.4 km
Nov 2, 2026, 9:31 AM2.215 km ESE of Pearsall, Texas7.8 km
Nov 1, 2026, 5:22 PM2.215 km ESE of Pearsall, Texas7.0 km
Nov 1, 2026, 5:10 PM2.416 km ESE of Pearsall, Texas7.0 km
Nov 1, 2026, 9:40 AM2.514 km ESE of Pearsall, Texas6.7 km
Nov 1, 2026, 5:56 AM2.013 km ESE of Pearsall, Texas7.3 km
Oct 31, 2026, 5:11 PM2.218 km ESE of Pearsall, Texas6.9 km
Oct 31, 2026, 3:52 AM2.214 km ESE of Pearsall, Texas7.1 km
Oct 30, 2026, 5:43 PM2.013 km ESE of Pearsall, Texas8.1 km
Oct 30, 2026, 1:34 PM2.013 km ESE of Pearsall, Texas8.1 km
Oct 30, 2026, 1:24 PM2.214 km ESE of Pearsall, Texas8.0 km
Oct 30, 2026, 12:41 PM2.314 km ESE of Pearsall, Texas7.7 km
Oct 30, 2026, 1:20 AM2.113 km ESE of Pearsall, Texas7.3 km
Oct 30, 2026, 1:13 AM2.214 km ESE of Pearsall, Texas6.9 km
Oct 29, 2026, 11:53 PM2.114 km ESE of Pearsall, Texas7.8 km
Oct 29, 2026, 10:33 PM2.113 km ESE of Pearsall, Texas7.1 km
Oct 29, 2026, 4:46 PM2.513 km ESE of Pearsall, Texas7.9 km
Oct 29, 2026, 6:54 AM2.013 km ESE of Pearsall, Texas7.5 km
Oct 29, 2026, 6:52 AM2.315 km ESE of Pearsall, Texas7.5 km
Oct 29, 2026, 3:43 AM2.014 km ESE of Pearsall, Texas8.6 km
Oct 29, 2026, 3:30 AM2.014 km E of Pearsall, Texas8.9 km
Oct 29, 2026, 12:24 AM2.017 km ESE of Pearsall, Texas7.7 km
Oct 28, 2026, 7:01 PM2.213 km E of Pearsall, Texas5.8 km
Oct 28, 2026, 5:16 PM2.114 km E of Pearsall, Texas7.7 km

About this data

TexNet catalog events inside 28.54–29.17°N, 98.72–99.51°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/frio, documented in the API reference.