M1.9 earthquake 73 km WNW of Samoa, California

Magnitude

1.9 (md), micro

Local time

Sun, May 27, 1979, 8:52 PM PDT

UTC

1979-05-28 03:52:30 UTC

Depth

4.7 km (2.9 mi), shallow

Epicenter

40.992° N, 125.026° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 7.9 km horizontally, 6.1 km in depth

Depth from

From location

Station coverage gap

326°, poorly surrounded by stations

Stations used

4

• Manila, CaliforniaPopulation 784. Forecast74 kmWNW
• Eureka, CaliforniaPopulation 27,017. Forecast75 kmWNW
• Chico, CaliforniaPopulation 121,345. Forecast305 kmWNW

After

1. 3.985 km WNW of Samoa, CaliforniaSun, May 27, 9:12 PM PDT · 17292 days ago · 3 km deep · 12 km away
2. 2.292 km WSW of Ferndale, CaliforniaMon, May 28, 4:52 PM PDT · 17291 days ago · 5 km deep · 70 km away
3. 1.741 km WNW of Samoa, CaliforniaTue, May 29, 5:54 AM PDT · 17291 days ago · 14 km deep · 32 km away
4. 2.224 km WNW of Indianola, CaliforniaTue, May 29, 10:36 AM PDT · 17290 days ago · 23 km deep · 50 km away
5. 1.941 km SW of Ferndale, CaliforniaThu, May 31, 1:14 AM PDT · 17289 days ago · 0 km deep · 89 km away
6. 1.843 km WNW of Samoa, CaliforniaSat, Jun 2, 1:22 PM PDT · 17286 days ago · 23 km deep · 30 km away
7. 3.227 km SSW of Ferndale, CaliforniaSat, Jun 2, 9:07 PM PDT · 17286 days ago · 18 km deep · 87 km away
8. 2.178 km WNW of Samoa, CaliforniaSat, Jun 2, 10:16 PM PDT · 17286 days ago · 3 km deep · 7 km away
9. 1.924 km SW of Scotia, CaliforniaSun, Jun 3, 12:38 AM PDT · 17286 days ago · 28 km deep · 93 km away
10. 1.626 km W of Indianola, CaliforniaSun, Jun 3, 1:01 AM PDT · 17286 days ago · 22 km deep · 53 km away
11. 2.632 km SW of Scotia, CaliforniaMon, Jun 4, 8:35 PM PDT · 17284 days ago · 18 km deep · 95 km away
12. 2.764 km WNW of Indianola, CaliforniaMon, Jun 4, 8:55 PM PDT · 17284 days ago · 13 km deep · 14 km away
13. 1.63 km NW of Fortuna, CaliforniaTue, Jun 5, 9:21 PM PDT · 17283 days ago · 22 km deep · 82 km away
14. 1.647 km SW of Ferndale, CaliforniaWed, Jun 6, 7:04 AM PDT · 17283 days ago · 12 km deep · 79 km away
15. 2.67 km E of Pine Hills, CaliforniaThu, Jun 7, 10:45 AM PDT · 17281 days ago · 24 km deep · 87 km away
16. 1.913 km SW of Ferndale, CaliforniaFri, Jun 8, 3:18 AM PDT · 17281 days ago · 23 km deep · 76 km away
17. 1.733 km SSW of Ferndale, CaliforniaFri, Jun 8, 5:45 AM PDT · 17281 days ago · 18 km deep · 88 km away
18. 1.735 km SSW of Ferndale, CaliforniaFri, Jun 8, 5:21 PM PDT · 17280 days ago · 21 km deep · 91 km away
19. 2.070 km WSW of Ferndale, CaliforniaSat, Jun 9, 12:00 AM PDT · 17280 days ago · 5 km deep · 66 km away
20. 2.237 km SW of Ferndale, CaliforniaSat, Jun 9, 12:43 AM PDT · 17280 days ago · 31 km deep · 87 km away
21. 1.930 km SW of Ferndale, CaliforniaSat, Jun 9, 10:37 AM PDT · 17279 days ago · 27 km deep · 78 km away
22. 1.837 km W of Ferndale, CaliforniaSat, Jun 9, 6:01 PM PDT · 17279 days ago · 21 km deep · 60 km away
23. 1.635 km SW of Ferndale, CaliforniaSat, Jun 9, 6:12 PM PDT · 17279 days ago · 20 km deep · 86 km away
24. 1.729 km SW of Ferndale, CaliforniaSun, Jun 10, 12:05 PM PDT · 17278 days ago · 18 km deep · 80 km away
25. 1.732 km WSW of Ferndale, CaliforniaSun, Jun 10, 10:19 PM PDT · 17278 days ago · 27 km deep · 74 km away
26. 1.65 km WNW of Loleta, CaliforniaSun, Jun 10, 11:35 PM PDT · 17278 days ago · 22 km deep · 73 km away
27. 1.836 km WSW of Ferndale, CaliforniaTue, Jun 12, 11:14 AM PDT · 17276 days ago · 25 km deep · 69 km away
28. 2.864 km WSW of Ferndale, CaliforniaTue, Jun 12, 5:10 PM PDT · 17276 days ago · 21 km deep · 59 km away
29. 1.927 km SW of Ferndale, CaliforniaTue, Jun 12, 7:43 PM PDT · 17276 days ago · 24 km deep · 84 km away
30. 3.136 km SW of Ferndale, CaliforniaWed, Jun 13, 5:25 PM PDT · 17275 days ago · 23 km deep · 84 km away
31. 1.69 km SW of Trinidad, CaliforniaThu, Jun 14, 4:50 AM PDT · 17275 days ago · 21 km deep · 69 km away
32. 2.050 km SW of Ferndale, CaliforniaThu, Jun 14, 11:19 AM PDT · 17274 days ago · 15 km deep · 82 km away
33. 1.935 km SW of Ferndale, CaliforniaThu, Jun 14, 5:07 PM PDT · 17274 days ago · 27 km deep · 86 km away
34. 2.829 km SW of Ferndale, CaliforniaThu, Jun 14, 10:56 PM PDT · 17274 days ago · 27 km deep · 81 km away
35. 1.820 km WNW of Indianola, CaliforniaFri, Jun 15, 2:26 AM PDT · 17274 days ago · 23 km deep · 55 km away
36. 2.119 km SSW of Ferndale, CaliforniaFri, Jun 15, 3:36 PM PDT · 17273 days ago · 29 km deep · 88 km away
37. 2.689 km WSW of Ferndale, CaliforniaSun, Jun 17, 11:43 AM PDT · 17271 days ago · 6 km deep · 72 km away
38. 2.4100 km W of Ferndale, CaliforniaSun, Jun 17, 1:11 PM PDT · 17271 days ago · 27 km deep · 67 km away
39. 2.210 km SSW of Scotia, CaliforniaMon, Jun 18, 6:44 AM PDT · 17271 days ago · 20 km deep · 99 km away
40. 1.721 km SW of Ferndale, CaliforniaMon, Jun 18, 2:21 PM PDT · 17270 days ago · 20 km deep · 75 km away
41. 1.742 km SW of Ferndale, CaliforniaMon, Jun 18, 3:07 PM PDT · 17270 days ago · 22 km deep · 80 km away
42. 2.216 km S of Ferndale, CaliforniaTue, Jun 19, 12:45 AM PDT · 17270 days ago · 28 km deep · 88 km away
43. 1.616 km S of Ferndale, CaliforniaTue, Jun 19, 12:54 AM PDT · 17270 days ago · 28 km deep · 88 km away
44. 1.831 km SW of Ferndale, CaliforniaTue, Jun 19, 5:27 AM PDT · 17270 days ago · 17 km deep · 75 km away
45. 2.436 km WSW of Ferndale, CaliforniaTue, Jun 19, 6:15 PM PDT · 17269 days ago · 21 km deep · 61 km away
46. 2.137 km SW of Ferndale, CaliforniaWed, Jun 20, 4:35 PM PDT · 17268 days ago · 23 km deep · 86 km away
47. 2.939 km SW of Ferndale, CaliforniaWed, Jun 20, 7:30 PM PDT · 17268 days ago · 23 km deep · 81 km away
48. 1.967 km WNW of Indianola, CaliforniaWed, Jun 20, 9:37 PM PDT · 17268 days ago · 2 km deep · 19 km away
49. 1.713 km SW of Scotia, CaliforniaThu, Jun 21, 1:39 AM PDT · 17268 days ago · 28 km deep · 93 km away
50. 1.64 km NE of Orick, CaliforniaThu, Jun 21, 2:22 AM PDT · 17268 days ago · 21 km deep · 91 km away
51. 2.294 km WSW of Ferndale, CaliforniaThu, Jun 21, 6:39 AM PDT · 17268 days ago · 3 km deep · 75 km away
52. 1.921 km SW of Ferndale, CaliforniaThu, Jun 21, 5:54 PM PDT · 17267 days ago · 20 km deep · 75 km away
53. 1.934 km SSW of Ferndale, CaliforniaFri, Jun 22, 7:11 AM PDT · 17267 days ago · 22 km deep · 91 km away
54. 1.633 km SSW of Ferndale, CaliforniaSat, Jun 23, 12:33 AM PDT · 17266 days ago · 26 km deep · 88 km away
55. 1.657 km WSW of Ferndale, CaliforniaSat, Jun 23, 1:29 AM PDT · 17266 days ago · 5 km deep · 68 km away
56. 1.82 km WSW of Loleta, CaliforniaSun, Jun 24, 5:53 AM PDT · 17265 days ago · 18 km deep · 77 km away
57. 1.7near the coast of Northern CaliforniaTue, Jun 26, 2:49 AM PDT · 17263 days ago · 22 km deep · 64 km away
58. 1.754 km W of Ferndale, CaliforniaTue, Jun 26, 6:57 PM PDT · 17262 days ago · 0 km deep · 43 km away
59. 1.5near the coast of Northern CaliforniaThu, Jun 28, 5:39 AM PDT · 17261 days ago · 23 km deep · 96 km away
60. 1.710 km WSW of Scotia, CaliforniaThu, Jun 28, 10:31 AM PDT · 17260 days ago · 27 km deep · 91 km away

The first 60 of 109.

Before

1. 2.865 km W of Ferndale, CaliforniaSun, May 27, 11:17 AM PDT · 17292 days ago · 31 km deep · 41 km away
2. 1.839 km SW of Ferndale, CaliforniaSat, May 26, 3:30 AM PDT · 17294 days ago · 21 km deep · 87 km away
3. 1.635 km SSW of Ferndale, CaliforniaSat, May 26, 12:17 AM PDT · 17294 days ago · 23 km deep · 90 km away
4. 1.836 km SSW of Ferndale, CaliforniaFri, May 25, 9:25 PM PDT · 17294 days ago · 22 km deep · 89 km away
5. 1.88 km WSW of Trinidad, CaliforniaFri, May 25, 9:07 PM PDT · 17294 days ago · 20 km deep · 66 km away
6. 1.614 km ESE of Indianola, CaliforniaFri, May 25, 5:00 PM PDT · 17294 days ago · 20 km deep · 95 km away
7. 1.72 km NE of Rio Dell, CaliforniaFri, May 25, 4:24 PM PDT · 17294 days ago · 22 km deep · 96 km away
8. 1.850 km WNW of Samoa, CaliforniaFri, May 25, 12:31 PM PDT · 17294 days ago · 13 km deep · 23 km away
9. 1.970 km W of Indianola, CaliforniaFri, May 25, 8:42 AM PDT · 17295 days ago · 6 km deep · 24 km away
10. 1.99 km W of Scotia, CaliforniaThu, May 24, 7:12 AM PDT · 17296 days ago · 21 km deep · 90 km away
11. 1.64 km NW of Ferndale, CaliforniaWed, May 23, 9:56 PM PDT · 17296 days ago · 18 km deep · 75 km away
12. 1.67 km W of Rio Dell, CaliforniaWed, May 23, 6:11 PM PDT · 17296 days ago · 17 km deep · 89 km away
13. 1.730 km SW of Scotia, CaliforniaTue, May 22, 8:12 PM PDT · 17297 days ago · 7 km deep · 96 km away
14. 2.135 km SSW of Ferndale, CaliforniaTue, May 22, 12:44 AM PDT · 17298 days ago · 25 km deep · 89 km away
15. 2.233 km WSW of Ferndale, CaliforniaMon, May 21, 1:42 PM PDT · 17298 days ago · 21 km deep · 63 km away
16. 1.836 km SW of Ferndale, CaliforniaSun, May 20, 7:22 PM PDT · 17299 days ago · 27 km deep · 88 km away
17. 1.938 km SW of Ferndale, CaliforniaSun, May 20, 1:25 PM PDT · 17299 days ago · 20 km deep · 87 km away
18. 1.510 km WSW of Scotia, CaliforniaSat, May 19, 8:31 PM PDT · 17300 days ago · 19 km deep · 92 km away
19. 1.77 km W of Rio Dell, CaliforniaSat, May 19, 12:59 PM PDT · 17300 days ago · 18 km deep · 89 km away
20. 1.67 km W of Rio Dell, CaliforniaSat, May 19, 10:03 AM PDT · 17301 days ago · 17 km deep · 89 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc1045952. Read Wed, Sep 30, 2026, 4:34 AM UTC.