EARTHQUAKES · FRIO AREA · TX2019JKAM

Magnitude 2.4 20 km E of Dilley, Texas

Tuesday, May 14, 2019, 8:25:18 AM Central · 2019-05-14 13:25:18 UTC

A magnitude 2.4 earthquake 20 km E of Dilley, Texas on May 14, 2019 at 8:25 AM Central, 4.8 km deep, in the Frio County area.

It is one of 42 M2+ events located within 10 km of this spot, none in the thirty days before it; the largest nearby was M3.5.

3 active injection or disposal wells sit within 10 km, the nearest 3.5 km away and operated by Sydri Operating, LLC; together they hold 32,000 barrels a day of permitted capacity.

M2.4
ML, reviewed
4.8
km deep · 15,656 ft
0
M2+ within 10 km, prior 30 days
42
M2+ within 10 km, all time
3
active injection wells within 10 km
273
permitted wells within 10 km

Location

Epicenter
28.6580, -98.9580
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
May 29, 2019, 3:03 AM2.09.7 km6.7 km
Apr 11, 2019, 6:58 PM2.14.2 km7.2 km
Mar 19, 2019, 5:31 PM2.17.9 km1.2 km
Apr 11, 2021, 6:32 AM2.46 km5.4 km
Apr 12, 2021, 3:51 AM2.15.9 km5.7 km
Dec 5, 2021, 7:51 AM2.05.4 km6.1 km
Mar 12, 2022, 7:38 PM2.54.5 km5.6 km
Mar 13, 2022, 9:39 PM2.43.6 km5.4 km
Mar 14, 2022, 4:40 AM2.42.6 km5.8 km
Mar 15, 2022, 7:48 AM2.42.9 km7.0 km
Mar 15, 2022, 10:48 AM2.57.7 km5.6 km
Mar 16, 2022, 5:56 PM2.22.6 km6.8 km

Largest nearby on record: M3.5 on Nov 15, 2025.

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
Wilson Ranch #11Sydri Operating, LLC0001087923.5 km25,0008,218–8,294
Shiner Ranch #7Trinity Operating (Usg), LLC0000789495.2 km3,0005,530–5,800
Lonestar Operating SWD #1FW Eagle Ford I, LLC0001146166.9 km4,0008,341–8,949

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

About this data

Event tx2019jkam 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/tx2019jkam, documented in the API reference.