EARTHQUAKES · FRIO AREA · TX2025CTSM

Magnitude 2.2 11 km E of Hilltop, Texas

Saturday, February 8, 2025, 11:59:16 PM Central · 2025-02-09 05:59:16 UTC

A magnitude 2.2 earthquake 11 km E of Hilltop, Texas on February 8, 2025 at 11:59 PM Central, 8.0 km deep, in the Frio County area.

It is one of 24 M2+ events located within 10 km of this spot, none in the thirty days before it; the largest nearby was M2.9.

7 active injection or disposal wells sit within 10 km, the nearest 2.2 km away and operated by Eagle Ford Water and Disposl LLC; together they hold 66,500 barrels a day of permitted capacity.

M2.2
ML, reviewed
8.0
km deep · 26,296 ft
0
M2+ within 10 km, prior 30 days
24
M2+ within 10 km, all time
7
active injection wells within 10 km
98
permitted wells within 10 km

Location

Epicenter
28.7050, -99.0610
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.

WhenMagDistanceDepth
Dec 13, 2024, 11:45 PM2.68.1 km3.2 km
Nov 21, 2024, 9:38 AM2.92.5 km4.8 km
Nov 9, 2024, 1:10 AM2.76.7 km6.9 km
Oct 31, 2024, 6:07 PM2.51.7 km6.0 km
Jun 14, 2025, 3:44 AM2.65.7 km8.8 km
Jun 19, 2025, 7:22 AM2.34.8 km7.1 km
Sep 6, 2024, 3:22 PM2.07.7 km7.7 km
Sep 11, 2025, 1:32 PM2.010 km5.2 km
Sep 25, 2025, 9:36 PM2.19.8 km4.2 km
Oct 2, 2025, 8:03 PM2.33.4 km4.5 km
Oct 31, 2025, 1:36 PM2.17.8 km8.4 km
Apr 23, 2024, 6:30 PM2.15.5 km6.5 km

Largest nearby on record: M2.9 on Nov 21, 2024.

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.

WellOperatorUIC no.DistancePermitted, bbl/dInjection zone, ft
Frio SWD #1Eagle Ford Water and Disposl LLC0001053042.2 km7,5005,100–5,400
Lancaster Agi #1Targa Southtex Mdstrm Utility LP0001043032.7 km3,5008,400–9,850
Morales, Fred #3Blackbrush O & G, LLC0000866303.5 km2,0005,350–5,551
Shiner Ranch #7Trinity Operating (Usg), LLC0000789496.3 km3,0005,530–5,800
Davis, Ruth Dakin #1Block "T" Petroleum, Inc.0001014867.7 km5004,900–6,000
FF Dilley SWD #1Nec Operating, LLC0001048489.6 km25,0004,900–5,660
Wilson Ranch #11Sydri Operating, LLC0001087929.7 km25,0008,218–8,294

Disposal in Frio County → · How disposal permits and volumes work →

About this data

Event tx2025ctsm 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/tx2025ctsm, documented in the API reference.