EARTHQUAKES · FRIO AREA · TX2024WWZP

Magnitude 2.9 10 km E of Dilley, Texas

Thursday, November 21, 2024, 9:38:55 AM Central · 2024-11-21 15:38:55 UTC

A magnitude 2.9 earthquake 10 km E of Dilley, Texas on November 21, 2024 at 9:38 AM Central, 4.8 km deep, in the Frio County area.

It is one of 21 M2+ events TexNet has located within 10 km of this spot, 2 of them in the thirty days before it; this is the largest of them.

8 active injection or disposal wells sit within 10 km, the nearest 4.7 km away and operated by Eagle Ford Water and Disposl LLC; together they hold 70,500 barrels a day of permitted capacity.

M2.9
ML, reviewed
4.8
km deep · 15,708 ft
2
M2+ within 10 km, prior 30 days
21
M2+ within 10 km, all time
8
active injection wells within 10 km
112
permitted wells within 10 km

Location

Epicenter
28.6840, -99.0700
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
Nov 9, 2024, 1:10 AM2.74.5 km6.9 km
Oct 31, 2024, 6:07 PM2.51.3 km6.0 km
Dec 13, 2024, 11:45 PM2.68.4 km3.2 km
Feb 8, 2025, 11:59 PM2.22.5 km8.0 km
Jun 9, 2025, 9:58 AM2.08.2 km3.5 km
Jun 14, 2025, 3:44 AM2.63.6 km8.8 km
Jun 19, 2025, 7:22 AM2.33.6 km7.1 km
Apr 23, 2024, 6:30 PM2.17.8 km6.5 km
Oct 2, 2025, 8:03 PM2.35.9 km4.5 km
Dec 30, 2023, 10:32 PM2.06.1 km1.2 km
Oct 31, 2025, 1:36 PM2.19.7 km8.4 km
Jun 1, 2026, 1:03 PM2.31.5 km8.5 km

Largest nearby on record: M2.7 on Nov 9, 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 LLC0001053044.7 km7,5005,100–5,400
Lancaster Agi #1Targa Southtex Mdstrm Utility LP0001043035.2 km3,5008,400–9,850
Morales, Fred #3Blackbrush O & G, LLC0000866305.8 km2,0005,350–5,551
Shiner Ranch #7Trinity Oper (Usg), LLC0000789496.1 km3,0005,530–5,800
Davis, Ruth Dakin #1Block "T" Petro, Inc0001014868 km5004,900–6,000
Wilson Ranch #11Sydri Oper, LLC0001087929 km25,0008,218–8,294
Lonestar Operating SWD #1FW Eagle Ford I, LLC0001146169.3 km4,0008,341–8,949
FF Dilley SWD #1Nec Oper, LLC0001048489.5 km25,0004,900–5,660

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

About this data

TexNet catalog event tx2024wwzp, 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/tx2024wwzp, documented in the API reference.