M1.6 earthquake 4 km NE of Orick, California

Magnitude

1.6 (Md, duration), micro

Magnitude from

Northern California Seismic System

Local time

Thu, Jun 21, 1979, 2:22 AM PDT

UTC

1979-06-21 09:22:09 UTC

Depth

20.6 km (12.8 mi), shallow

Epicenter

41.318° N, 124.028° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 2.5 km horizontally, 0.8 km in depth

Depth from

From location

Station coverage gap

342°, poorly surrounded by stations

Stations used

3

• Klamath, CaliforniaPopulation 779. Forecast23 kmS
• McKinleyville, CaliforniaPopulation 15,177. Forecast42 kmN
• Chico, CaliforniaPopulation 121,345. Forecast256 kmNW

After

1. 1.82 km WSW of Loleta, CaliforniaSun, Jun 24, 5:53 AM PDT · 17266 days ago · 18 km deep · 79 km away
2. 1.7near the coast of Northern CaliforniaTue, Jun 26, 2:49 AM PDT · 17265 days ago · 22 km deep · 55 km away
3. 1.710 km WSW of Scotia, CaliforniaThu, Jun 28, 10:31 AM PDT · 17262 days ago · 27 km deep · 98 km away
4. 2.32 km NNE of Indianola, CaliforniaFri, Jun 29, 8:53 PM PDT · 17261 days ago · 21 km deep · 70 km away
5. 1.816 km SW of Ferndale, CaliforniaSun, Jul 1, 5:25 AM PDT · 17259 days ago · 28 km deep · 100 km away
6. 1.920 km W of Indianola, CaliforniaFri, Jul 6, 9:27 AM PDT · 17254 days ago · 23 km deep · 77 km away
7. 1.78 km W of Rio Dell, CaliforniaSat, Jul 7, 10:29 AM PDT · 17253 days ago · 19 km deep · 93 km away
8. 1.914 km NE of Hydesville, CaliforniaSun, Jul 8, 4:25 AM PDT · 17252 days ago · 24 km deep · 78 km away
9. 1.87 km SE of Scotia, CaliforniaSun, Jul 8, 8:15 AM PDT · 17252 days ago · 23 km deep · 98 km away
10. 2.213 km S of Ferndale, CaliforniaMon, Jul 9, 10:16 AM PDT · 17251 days ago · 24 km deep · 98 km away
11. 1.924 km WNW of Hyampom, CaliforniaThu, Jul 12, 6:06 AM PDT · 17248 days ago · 22 km deep · 77 km away
12. 1.62 km NNE of Blue Lake, CaliforniaThu, Jul 12, 4:57 PM PDT · 17248 days ago · 3 km deep · 46 km away
13. 2.93 km NNW of Ferndale, CaliforniaFri, Jul 13, 2:55 AM PDT · 17248 days ago · 18 km deep · 82 km away
14. 1.98 km SW of Burnt Ranch, CaliforniaFri, Jul 13, 8:48 PM PDT · 17247 days ago · 27 km deep · 75 km away
15. 1.613 km W of Ferndale, CaliforniaSun, Jul 15, 7:10 PM PDT · 17245 days ago · 18 km deep · 87 km away
16. 1.717 km W of Samoa, CaliforniaTue, Jul 17, 7:53 AM PDT · 17243 days ago · 20 km deep · 61 km away
17. 2.241 km SW of Etna, CaliforniaSat, Jul 21, 5:26 PM PDT · 17239 days ago · 39 km deep · 65 km away
18. 1.7Northern CaliforniaSun, Jul 22, 7:02 AM PDT · 17238 days ago · 20 km deep · 47 km away
19. 1.615 km ESE of Indianola, CaliforniaSun, Jul 22, 2:48 PM PDT · 17238 days ago · 24 km deep · 64 km away
20. 1.73 km SW of Loleta, CaliforniaSun, Jul 22, 9:01 PM PDT · 17238 days ago · 20 km deep · 79 km away
21. 1.524 km WNW of Samoa, CaliforniaMon, Jul 23, 2:48 AM PDT · 17238 days ago · 20 km deep · 55 km away
22. 1.811 km NW of Hayfork, CaliforniaTue, Jul 24, 3:25 PM PDT · 17236 days ago · 20 km deep · 99 km away
23. 1.75 km NNE of Redcrest, CaliforniaThu, Jul 26, 5:28 AM PDT · 17234 days ago · 1 km deep · 98 km away
24. 1.73 km WSW of Indianola, CaliforniaThu, Jul 26, 10:35 AM PDT · 17234 days ago · 8 km deep · 75 km away
25. 2.43 km WSW of Indianola, CaliforniaThu, Jul 26, 10:36 AM PDT · 17234 days ago · 8 km deep · 75 km away
26. 1.68 km SE of Blue Lake, CaliforniaSat, Jul 28, 1:53 PM PDT · 17232 days ago · -1 km deep · 55 km away
27. 3.173 km WNW of Samoa, CaliforniaSun, Jul 29, 3:57 PM PDT · 17231 days ago · 0 km deep · 92 km away
28. 2.019 km WSW of Ferndale, CaliforniaMon, Jul 30, 11:33 AM PDT · 17230 days ago · 21 km deep · 99 km away
29. 1.913 km WNW of Hyampom, CaliforniaMon, Jul 30, 11:59 PM PDT · 17230 days ago · 5 km deep · 82 km away
30. 1.67 km W of Rio Dell, CaliforniaWed, Aug 1, 1:09 AM PDT · 17229 days ago · 19 km deep · 93 km away
31. 3.053 km WNW of Indianola, CaliforniaWed, Aug 1, 4:33 AM PDT · 17228 days ago · -1 km deep · 86 km away
32. 2.26 km W of Rio Dell, CaliforniaWed, Aug 1, 5:53 PM PDT · 17228 days ago · 19 km deep · 91 km away
33. 1.510 km NE of Hydesville, CaliforniaThu, Aug 2, 5:35 AM PDT · 17227 days ago · 21 km deep · 79 km away
34. 1.53 km S of Humboldt Hill, CaliforniaThu, Aug 2, 5:42 AM PDT · 17227 days ago · 17 km deep · 70 km away
35. 2.37 km NNE of Hydesville, CaliforniaSat, Aug 4, 3:20 AM PDT · 17226 days ago · 18 km deep · 79 km away
36. 2.113 km WNW of Fields Landing, CaliforniaSat, Aug 4, 6:12 AM PDT · 17225 days ago · 24 km deep · 69 km away
37. 1.93 km SSW of Willow Creek, CASun, Aug 5, 12:15 PM PDT · 17224 days ago · 21 km deep · 55 km away
38. 1.52 km SSW of Scotia, CaliforniaSun, Aug 12, 7:09 AM PDT · 17217 days ago · 23 km deep · 95 km away
39. 1.721 km WNW of Manila, CaliforniaSun, Aug 12, 7:36 AM PDT · 17217 days ago · 9 km deep · 50 km away
40. 2.924 km W of Big Lagoon, CaliforniaSun, Aug 12, 8:12 AM PDT · 17217 days ago · 19 km deep · 38 km away
41. 1.69 km ESE of Hyampom, CaliforniaMon, Aug 13, 10:06 PM PDT · 17216 days ago · 44 km deep · 98 km away
42. 2.048 km W of Trinidad, CaliforniaThu, Aug 16, 4:39 AM PDT · 17213 days ago · 5 km deep · 61 km away
43. 1.618 km WSW of Ferndale, CaliforniaFri, Aug 17, 1:25 AM PDT · 17213 days ago · 25 km deep · 99 km away
44. 1.59 km NE of Redcrest, CaliforniaFri, Aug 17, 7:05 PM PDT · 17212 days ago · 19 km deep · 96 km away
45. 1.938 km WNW of Samoa, CaliforniaSat, Aug 18, 1:16 PM PDT · 17211 days ago · 24 km deep · 65 km away

Before

1. 1.967 km WNW of Indianola, CaliforniaWed, Jun 20, 9:37 PM PDT · 17270 days ago · 2 km deep · 99 km away
2. 1.616 km E of Hydesville, CaliforniaFri, Jun 15, 3:38 AM PDT · 17276 days ago · 24 km deep · 83 km away
3. 1.820 km WNW of Indianola, CaliforniaFri, Jun 15, 2:26 AM PDT · 17276 days ago · 23 km deep · 75 km away
4. 1.69 km SW of Trinidad, CaliforniaThu, Jun 14, 4:50 AM PDT · 17276 days ago · 21 km deep · 40 km away
5. 1.712 km N of Willow Creek, CaliforniaThu, Jun 14, 3:21 AM PDT · 17277 days ago · 20 km deep · 45 km away
6. 1.65 km WNW of Loleta, CaliforniaSun, Jun 10, 11:35 PM PDT · 17280 days ago · 22 km deep · 76 km away
7. 1.913 km SW of Ferndale, CaliforniaFri, Jun 8, 3:18 AM PDT · 17283 days ago · 23 km deep · 96 km away
8. 2.67 km E of Pine Hills, CaliforniaThu, Jun 7, 10:45 AM PDT · 17283 days ago · 24 km deep · 66 km away
9. 1.63 km NW of Fortuna, CaliforniaTue, Jun 5, 9:21 PM PDT · 17285 days ago · 22 km deep · 79 km away
10. 2.764 km WNW of Indianola, CaliforniaMon, Jun 4, 8:55 PM PDT · 17286 days ago · 13 km deep · 91 km away
11. 2.39 km ESE of Hydesville, CaliforniaSun, Jun 3, 10:29 PM PDT · 17287 days ago · 20 km deep · 88 km away
12. 1.626 km W of Indianola, CaliforniaSun, Jun 3, 1:01 AM PDT · 17288 days ago · 22 km deep · 83 km away
13. 2.178 km WNW of Samoa, CaliforniaSat, Jun 2, 10:16 PM PDT · 17288 days ago · 3 km deep · 98 km away
14. 1.843 km WNW of Samoa, CaliforniaSat, Jun 2, 1:22 PM PDT · 17288 days ago · 23 km deep · 71 km away
15. 2.224 km WNW of Indianola, CaliforniaTue, May 29, 10:36 AM PDT · 17292 days ago · 23 km deep · 72 km away
16. 1.741 km WNW of Samoa, CaliforniaTue, May 29, 5:54 AM PDT · 17292 days ago · 14 km deep · 66 km away
17. 1.973 km WNW of Samoa, CaliforniaSun, May 27, 8:52 PM PDT · 17294 days ago · 5 km deep · 91 km away
18. 1.88 km WSW of Trinidad, CaliforniaFri, May 25, 9:07 PM PDT · 17296 days ago · 20 km deep · 36 km away
19. 1.614 km ESE of Indianola, CaliforniaFri, May 25, 5:00 PM PDT · 17296 days ago · 20 km deep · 64 km away
20. 1.72 km NE of Rio Dell, CaliforniaFri, May 25, 4:24 PM PDT · 17296 days ago · 22 km deep · 89 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc1046277. Read Thu, Oct 1, 2026, 10:26 PM UTC.