M1.9 earthquake 13km ESE of Viola, CA

Magnitude

1.9 (Md, duration), micro

Magnitude from

Northern California Seismic System

Local time

Sun, May 15, 2022, 8:51 AM PDT

UTC

2022-05-15 15:51:07 UTC

Depth

6.1 km (3.8 mi), shallow

Epicenter

40.491° N, 121.525° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.9 km horizontally, 0.6 km in depth

Magnitude uncertainty

±0.20

Depth from

From location

Station coverage gap

220°, poorly surrounded by stations

Stations used

14

• Shingletown, CaliforniaPopulation 2,283. Forecast31 kmE
• Anderson, CaliforniaPopulation 10,217. Forecast66 kmE
• Chico, CaliforniaPopulation 121,345. Forecast89 kmNNE
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast772 kmNNW

After

1. 2.75km N of Hamilton City, CAMon, May 23, 2:49 PM PDT · 1595 days ago · 17 km deep · 88 km away
2. 1.713km NNE of Shingletown, CATue, May 31, 9:25 PM PDT · 1587 days ago · 7 km deep · 27 km away
3. 1.917km WSW of Manton, CAWed, Jun 1, 2:43 AM PDT · 1587 days ago · 15 km deep · 47 km away
4. 1.615km WNW of Chester, CAThu, Jun 9, 9:52 AM PDT · 1579 days ago · 9 km deep · 18 km away
5. 1.727km N of Shasta Lake, CAThu, Jun 9, 6:53 PM PDT · 1578 days ago · 16 km deep · 84 km away
6. 1.86km SW of Shasta Lake, CAFri, Jun 10, 5:19 PM PDT · 1577 days ago · 21 km deep · 76 km away · felt by 1
7. 1.724km N of Shasta Lake, CASat, Jun 11, 11:44 PM PDT · 1576 days ago · 15 km deep · 84 km away
8. 2.612km W of Shingletown, CAMon, Jun 13, 12:36 PM PDT · 1575 days ago · 9 km deep · 42 km away · felt by 2
9. 1.518km ESE of Anderson, CATue, Jun 14, 4:26 AM PDT · 1574 days ago · 11 km deep · 50 km away
10. 2.514km ENE of Red Bluff, CAThu, Jun 16, 9:30 PM PDT · 1571 days ago · 58 km deep · 56 km away
11. 1.72 km SSW of Crescent Mills, CaliforniaSun, Jun 19, 10:13 PM PDT · 1568 days ago · 1 km deep · 69 km away
12. 1.52 km SE of Spring Garden, CaliforniaMon, Jun 27, 5:58 PM PDT · 1560 days ago · 12 km deep · 94 km away
13. 2.22km NW of Canyondam, CASun, Jul 3, 12:44 AM PDT · 1555 days ago · 11 km deep · 50 km away
14. 1.914km W of Almanor, CASat, Jul 9, 2:56 AM PDT · 1549 days ago · 12 km deep · 35 km away
15. 2.42km ENE of Prattville, CASat, Jul 9, 8:22 AM PDT · 1549 days ago · 5 km deep · 45 km away
16. 2.52km N of Prattville, CASat, Jul 9, 8:34 AM PDT · 1549 days ago · 5 km deep · 43 km away · felt by 4
17. 1.84km NE of Prattville, CASat, Jul 9, 12:30 PM PDT · 1549 days ago · 6 km deep · 44 km away
18. 2.02km E of Prattville, CASun, Jul 10, 5:39 AM PDT · 1548 days ago · 5 km deep · 45 km away · felt by 1

Before

1. 2.03km SSW of East Shore, CASat, May 14, 10:53 AM PDT · 1605 days ago · 6 km deep · 47 km away
2. 1.74km SW of Millville, CASat, May 14, 4:37 AM PDT · 1605 days ago · 17 km deep · 59 km away
3. 1.615km E of Viola, CAThu, May 12, 5:55 AM PDT · 1607 days ago · 0 km deep · 2 km away
4. 1.84km NNE of Viola, CAFri, Apr 29, 1:35 AM PDT · 1620 days ago · 4 km deep · 14 km away
5. 1.910km N of French Gulch, CAThu, Apr 28, 5:18 AM PDT · 1621 days ago · 11 km deep · 100 km away
6. 1.824km S of Manton, CATue, Apr 26, 1:38 AM PDT · 1623 days ago · 6 km deep · 41 km away
7. 1.616km SSE of Manton, CASun, Apr 17, 6:46 AM PDT · 1632 days ago · 11 km deep · 33 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc73734051. Read Mon, Oct 5, 2026, 7:09 AM UTC.