EARTHQUAKES · FRIO AREA · TX2025TKWUVS

Magnitude 2.3 12 km ENE of Hilltop, Texas

Thursday, October 2, 2025, 8:03:34 PM Central · 2025-10-03 01:03:34 UTC

A magnitude 2.3 earthquake 12 km ENE of Hilltop, Texas on October 2, 2025 at 8:03 PM Central, 4.5 km deep, in the Frio County area.

It is one of 61 M2+ events TexNet has located within 10 km of this spot, 7 of them in the thirty days before it; the largest nearby was M2.9.

9 active injection or disposal wells sit within 10 km, the nearest 1.8 km away and operated by Targa Southtex Mdstrm Utility LP; together they hold 91,500 barrels a day of permitted capacity.

M2.3
ML, reviewed
4.5
km deep · 14,633 ft
7
M2+ within 10 km, prior 30 days
61
M2+ within 10 km, all time
9
active injection wells within 10 km
62
permitted wells within 10 km

Location

Epicenter
28.7360, -99.0600
County area
Frio County
On a map
OpenStreetMap ↗
Catalog
TexNet earthquake catalog ↗

Around it in time and space

M2+ events within 10 km, nearest in time first.

WhenMagDistanceDepth
Sep 26, 2025, 11:21 PM2.16.8 km5.7 km
Sep 26, 2025, 10:26 PM2.37.5 km7.1 km
Sep 26, 2025, 6:48 AM2.29.3 km9.3 km
Sep 25, 2025, 10:28 PM2.06.9 km7.0 km
Sep 25, 2025, 9:36 PM2.16.4 km4.2 km
Sep 23, 2025, 6:07 PM2.29.2 km4.4 km
Sep 11, 2025, 1:32 PM2.08.1 km5.2 km
Oct 31, 2025, 1:36 PM2.14.9 km8.4 km
Nov 13, 2025, 9:50 PM2.09.7 km8.8 km
Jan 15, 2026, 10:28 AM2.19.7 km5.1 km
Jun 19, 2025, 7:22 AM2.38 km7.1 km
Jun 14, 2025, 3:44 AM2.69.1 km8.8 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
Lancaster Agi #1Targa Southtex Mdstrm Utility LP0001043031.8 km3,5008,400–9,850
Frio SWD #1Eagle Ford Water and Disposl LLC0001053042.1 km7,5005,100–5,400
Morales, Fred #3Blackbrush O & G, LLC0000866302.9 km2,0005,350–5,551
Davis, Ruth Dakin #1Block "T" Petro, Inc0001014867.4 km5004,900–6,000
G2 845-846-STX #C311VWFormentera Operations LLC0001273018.4 km20,0004,520–4,965
Shiner Ranch #7Trinity Oper (Usg), LLC0000789498.7 km3,0005,530–5,800
New Wittman #1Rclj Construction, Inc0000744639.4 km10,0004,650–5,240
Mello 308-STX #A311VWFormentera Operations LLC0001269239.4 km20,0004,860–5,285
FF Dilley SWD #1Nec Oper, LLC0001048489.6 km25,0004,900–5,660

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

About this data

TexNet catalog event tx2025tkwuvs, as published by the 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/tx2025tkwuvs, documented in the API reference.