EARTHQUAKES · LIVE OAK AREA · TX2019HYVA
Magnitude 2.1 8 km NNE of Three Rivers, Texas
Tuesday, April 23, 2019, 11:37:28 PM Central · 2019-04-24 04:37:28 UTC
A magnitude 2.1 earthquake 8 km NNE of Three Rivers, Texas on April 23, 2019 at 11:37 PM Central, 7.8 km deep, in the Live Oak County area.
It is one of 44 M2+ events located within 10 km of this spot, 2 of them in the thirty days before it; the largest nearby was M3.1.
12 active injection or disposal wells sit within 10 km, the nearest 3.7 km away and operated by Blackbrush O & G, LLC; together they hold 48,800 barrels a day of permitted capacity.
- M2.1
- ML, reviewed
- 7.8
- km deep · 25,635 ft
- 2
- M2+ within 10 km, prior 30 days
- 44
- M2+ within 10 km, all time
- 12
- active injection wells within 10 km
- 146
- permitted wells within 10 km
Location
- Epicenter
- 28.5320, -98.1570
- County area
- Live Oak 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.
| When | Mag | Distance | Depth |
|---|---|---|---|
| Apr 23, 2019, 10:23 PM | 2.0 | 2.2 km | 7.7 km |
| Apr 24, 2019, 6:49 AM | 2.7 | 0.5 km | 6.8 km |
| May 1, 2019, 8:41 AM | 2.0 | 1.7 km | 6.9 km |
| Mar 25, 2019, 6:33 PM | 2.1 | 3.3 km | 6.4 km |
| May 30, 2019, 6:17 AM | 2.0 | 2.8 km | 4.7 km |
| Mar 17, 2019, 2:07 AM | 2.2 | 4.2 km | 5.6 km |
| Mar 7, 2019, 2:42 PM | 2.2 | 6.4 km | 8.0 km |
| Mar 4, 2019, 11:06 PM | 2.0 | 2 km | 7.9 km |
| Mar 2, 2019, 10:14 PM | 2.3 | 1.2 km | 6.5 km |
| Jun 24, 2019, 5:05 PM | 2.8 | 2.2 km | 5.0 km |
| Jun 25, 2019, 2:36 AM | 2.1 | 2.6 km | 6.3 km |
| Feb 9, 2019, 12:32 AM | 2.5 | 4.6 km | 6.5 km |
Largest nearby on record: M3.1 on Jan 25, 2019.
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.
| Well | Operator | UIC no. | Distance | Permitted, bbl/d | Injection zone, ft |
|---|---|---|---|---|---|
| Three Rivers SWD #2 | Blackbrush O & G, LLC | 000098630 | 3.7 km | 2,500 | 1,700–3,000 |
| Sinor Wilcox Unit #205 | Merit Energy Company | 000123480 | 7 km | 5,000 | 7,899–8,304 |
| Sinor Wilcox Unit #116 | Merit Energy Company | 000123375 | 8.3 km | 5,000 | 7,689–8,189 |
| Sinor Wilcox Unit #118 | Merit Energy Company | 000124285 | 8.6 km | 5,000 | 7,793–8,092 |
| Sinor Wilcox Unit #117 | Merit Energy Company | 000123376 | 8.7 km | 5,000 | 7,695–8,195 |
| Sinor Wilcox Unit #206 | Merit Energy Company | 000123377 | 8.9 km | 5,000 | 7,696–8,196 |
| Sinor Wilcox Unit #208 | Merit Energy Company | 000126569 | 9 km | 5,000 | 7,803–8,194 |
| Sinor Wilcox Unit #115 | Merit Energy Company | 000118953 | 9.1 km | 5,000 | 7,808–8,138 |
| Sinor Wilcox Unit #303 | Merit Energy Company | 000124286 | 9.4 km | 5,000 | 7,696–8,096 |
| Reagan, W.F. #2 | Terrafina Energy, LLC | 000092968 | 9.6 km | 300 | 2,756–2,766 |
| McGriff -B- #8 | Nog Production & Operating LLC | 000001825 | 9.7 km | 1,000 | 2,140–2,142 |
| Sinor Wilcox Unit #302 | Merit Energy Company | 000123479 | 9.9 km | 5,000 | 7,662–8,041 |
Disposal in Live Oak County → · How disposal permits and volumes work →
About this data
Event tx2019hyva 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/tx2019hyva, documented in the API reference.