M2.8 earthquake 4 km ESE of Palermo, California

Magnitude

2.8 (Md, duration), micro

Magnitude from

Northern California Seismic System

Local time

Mon, Jun 22, 1981, 4:37 PM PDT

UTC

1981-06-22 23:37:57 UTC

Depth

5.0 km (3.1 mi), shallow

Epicenter

39.425° N, 121.483° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.4 km horizontally, 1.1 km in depth

Magnitude uncertainty

±0.15

Depth from

From location

Station coverage gap

92°

Stations used

18

• Palermo, CaliforniaPopulation 5,382. Forecast5 kmESE
• Oroville, CaliforniaPopulation 16,260. Forecast12 kmSSE
• Chico, CaliforniaPopulation 121,345. Forecast45 kmSE
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast663 kmNNW

After

1. 3.12 km NNW of Belden, CaliforniaMon, Jun 22, 7:16 PM PDT · 16537 days ago · 5 km deep · 70 km away
2. 2.212 km WSW of Chester, CaliforniaWed, Jun 24, 11:29 AM PDT · 16536 days ago · 3 km deep · 92 km away
3. 2.11 km SW of Stonyford, CaliforniaSat, Jun 27, 4:33 AM PDT · 16533 days ago · 7 km deep · 93 km away
4. 3.45 km SE of Palermo, CaliforniaTue, Jun 30, 7:56 AM PDT · 16530 days ago · 7 km deep · 3 km away
5. 1.84 km SE of Palermo, CaliforniaTue, Jun 30, 11:50 AM PDT · 16530 days ago · 5 km deep · 3 km away
6. 1.94 km SE of Palermo, CaliforniaWed, Jul 1, 6:44 PM PDT · 16528 days ago · 7 km deep · 3 km away
7. 2.13 km NW of Lake Almanor Country Club, CaliforniaWed, Jul 1, 11:26 PM PDT · 16528 days ago · 3 km deep · 97 km away
8. 1.96 km W of Stonyford, CaliforniaFri, Jul 3, 2:33 PM PDT · 16526 days ago · 0 km deep · 97 km away
9. 2.24 km W of Stonyford, CaliforniaFri, Jul 3, 8:20 PM PDT · 16526 days ago · 3 km deep · 96 km away
10. 1.612 km WSW of Chester, CaliforniaThu, Jul 9, 9:32 AM PDT · 16521 days ago · 3 km deep · 96 km away
11. 2.03 km ESE of Palermo, CaliforniaMon, Jul 13, 8:27 AM PDT · 16517 days ago · 4 km deep · 2 km away
12. 2.54 km SE of Palermo, CaliforniaTue, Jul 14, 2:30 PM PDT · 16515 days ago · 7 km deep · 4 km away
13. 1.50 km NW of Lake Almanor Country Club, CaliforniaWed, Jul 15, 3:22 PM PDT · 16514 days ago · 2 km deep · 96 km away
14. 2.54 km SE of Palermo, CaliforniaWed, Jul 15, 5:53 PM PDT · 16514 days ago · 7 km deep · 3 km away
15. 2.611 km NE of Nord, CaliforniaThu, Jul 16, 3:56 AM PDT · 16514 days ago · 21 km deep · 57 km away
16. 1.825 km SSW of Kingvale, CaliforniaThu, Jul 16, 10:26 PM PDT · 16513 days ago · 9 km deep · 91 km away
17. 2.3Northern CaliforniaSat, Jul 18, 6:07 AM PDT · 16512 days ago · 2 km deep · 19 km away
18. 2.86 km NNW of Thermalito, CaliforniaSat, Jul 18, 4:03 PM PDT · 16511 days ago · 2 km deep · 19 km away
19. 1.52 km ESE of Nord, CaliforniaMon, Jul 20, 7:10 AM PDT · 16510 days ago · 14 km deep · 54 km away
20. 1.82 km NE of Canyondam, CaliforniaMon, Jul 20, 9:14 AM PDT · 16510 days ago · 2 km deep · 93 km away
21. 2.0Northern CaliforniaMon, Jul 20, 8:51 PM PDT · 16509 days ago · 13 km deep · 96 km away
22. 1.66 km NW of Plumas Eureka (historical), CaliforniaTue, Jul 21, 9:28 PM PDT · 16508 days ago · 1 km deep · 75 km away
23. 1.93 km SW of East Shore, CaliforniaWed, Jul 22, 12:38 AM PDT · 16508 days ago · 1 km deep · 94 km away
24. 2.75 km ESE of Chico, CaliforniaThu, Jul 23, 5:08 AM PDT · 16507 days ago · 19 km deep · 41 km away
25. 2.56 km SSE of Dunnigan, CaliforniaFri, Jul 24, 7:12 PM PDT · 16505 days ago · 10 km deep · 77 km away
26. 2.010 km W of Lake Almanor West, CaliforniaSat, Jul 25, 8:48 AM PDT · 16505 days ago · 3 km deep · 92 km away
27. 1.94 km SE of Palermo, CaliforniaSun, Jul 26, 3:07 AM PDT · 16504 days ago · 6 km deep · 2 km away
28. 2.14 km SSW of Whitehawk, CaliforniaSun, Jul 26, 11:39 AM PDT · 16504 days ago · 14 km deep · 83 km away
29. 1.86 km WSW of Durham, CaliforniaSat, Aug 1, 9:26 AM PDT · 16498 days ago · 29 km deep · 39 km away
30. 2.91 km ENE of Clipper Mills, CaliforniaSat, Aug 1, 4:38 PM PDT · 16497 days ago · 8 km deep · 32 km away
31. 1.6Northern CaliforniaTue, Aug 4, 3:16 PM PDT · 16494 days ago · 3 km deep · 96 km away
32. 1.97 km ESE of Los Molinos, CaliforniaFri, Aug 7, 11:02 AM PDT · 16492 days ago · 3 km deep · 78 km away
33. 1.615 km NNE of Butte Meadows, CaliforniaSun, Aug 9, 4:28 AM PDT · 16490 days ago · 3 km deep · 88 km away
34. 1.710 km SE of Mineral, CaliforniaSun, Aug 16, 8:50 AM PDT · 16483 days ago · 2 km deep · 96 km away
35. 1.76 km SSE of Palermo, CaliforniaMon, Aug 17, 12:09 PM PDT · 16482 days ago · 1 km deep · 5 km away
36. 1.51 km E of Oroville, CaliforniaWed, Aug 19, 4:44 AM PDT · 16480 days ago · 10 km deep · 11 km away

Before

1. 2.421 km WSW of Williams, CaliforniaMon, Jun 22, 2:15 PM PDT · 16537 days ago · -1 km deep · 86 km away
2. 3.518 km WSW of Williams, CaliforniaMon, Jun 22, 6:32 AM PDT · 16538 days ago · 12 km deep · 83 km away
3. 1.81 km NNE of Clipper Mills, CaliforniaSun, Jun 21, 1:19 PM PDT · 16538 days ago · 7 km deep · 32 km away
4. 2.213 km WNW of Cohasset, CaliforniaTue, Jun 9, 4:44 PM PDT · 16550 days ago · 15 km deep · 69 km away
5. 2.14 km NNW of Dobbins, CaliforniaSat, Jun 6, 8:30 PM PDT · 16553 days ago · 22 km deep · 23 km away
6. 2.114 km NNW of Guinda, CaliforniaSat, Jun 6, 7:04 PM PDT · 16553 days ago · 8 km deep · 84 km away
7. 2.510 km SW of Spring Garden, CaliforniaSat, Jun 6, 12:05 PM PDT · 16554 days ago · -1 km deep · 69 km away
8. 2.4Northern CaliforniaFri, Jun 5, 9:52 AM PDT · 16555 days ago · 13 km deep · 89 km away
9. 1.63 km ESE of Palermo, CaliforniaThu, Jun 4, 1:22 PM PDT · 16555 days ago · 3 km deep · 2 km away
10. 2.015 km NNW of Guinda, CaliforniaTue, Jun 2, 7:10 AM PDT · 16558 days ago · 9 km deep · 84 km away
11. 2.91 km SW of Clipper Mills, CaliforniaTue, May 26, 3:39 PM PDT · 16564 days ago · 14 km deep · 29 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc1064788. Read Fri, Oct 2, 2026, 7:37 AM UTC.