M1.8 earthquake 58 km WNW of Samoa, California

Magnitude

1.8 (md), micro

Local time

Sun, Jun 4, 1978, 8:38 AM PDT

UTC

1978-06-04 15:38:42 UTC

Depth

2.1 km (1.3 mi), shallow

Epicenter

40.988° N, 124.849° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 3.7 km horizontally, 2.4 km in depth

Depth from

From location

Station coverage gap

319°, poorly surrounded by stations

Stations used

5

• Manila, CaliforniaPopulation 784. Forecast60 kmWNW
• Eureka, CaliforniaPopulation 27,017. Forecast61 kmWNW
• Chico, CaliforniaPopulation 121,345. Forecast291 kmWNW

After

1. 1.617 km SW of Scotia, CaliforniaMon, Jun 5, 1:12 AM PDT · 17648 days ago · 22 km deep · 82 km away
2. 1.96 km SW of Scotia, CaliforniaMon, Jun 5, 4:40 AM PDT · 17648 days ago · 27 km deep · 85 km away
3. 1.81 km WSW of Ferndale, CaliforniaMon, Jun 5, 6:52 PM PDT · 17647 days ago · 12 km deep · 66 km away
4. 1.644 km SW of Ferndale, CaliforniaTue, Jun 6, 1:08 AM PDT · 17647 days ago · 20 km deep · 84 km away
5. 1.835 km W of Ferndale, CaliforniaTue, Jun 6, 4:02 AM PDT · 17647 days ago · 20 km deep · 42 km away
6. 1.741 km SW of Ferndale, CaliforniaTue, Jun 6, 6:12 AM PDT · 17647 days ago · 5 km deep · 81 km away
7. 1.86 km W of Scotia, CaliforniaTue, Jun 6, 6:47 AM PDT · 17646 days ago · 22 km deep · 80 km away
8. 1.78 km NE of Hydesville, CaliforniaTue, Jun 6, 7:28 AM PDT · 17646 days ago · 23 km deep · 81 km away
9. 1.59 km SSW of Ferndale, CaliforniaTue, Jun 6, 11:44 PM PDT · 17646 days ago · 20 km deep · 71 km away
10. 1.630 km SW of Ferndale, CaliforniaWed, Jun 7, 1:43 AM PDT · 17646 days ago · 27 km deep · 67 km away
11. 1.631 km SW of Ferndale, CaliforniaWed, Jun 7, 11:00 AM PDT · 17645 days ago · 21 km deep · 77 km away
12. 1.726 km SW of Scotia, CaliforniaWed, Jun 7, 2:50 PM PDT · 17645 days ago · 18 km deep · 84 km away
13. 1.787 km WSW of Ferndale, CaliforniaFri, Jun 9, 1:00 AM PDT · 17644 days ago · 4 km deep · 89 km away
14. 1.627 km WSW of Ferndale, CaliforniaFri, Jun 9, 2:58 AM PDT · 17644 days ago · 24 km deep · 64 km away
15. 2.470 km W of Ferndale, CaliforniaFri, Jun 9, 2:10 PM PDT · 17643 days ago · 5 km deep · 59 km away
16. 3.016 km SSW of Ferndale, CaliforniaFri, Jun 9, 9:16 PM PDT · 17643 days ago · 21 km deep · 72 km away
17. 2.66 km W of Loleta, CaliforniaFri, Jun 9, 9:58 PM PDT · 17643 days ago · 24 km deep · 60 km away
18. 2.617 km SSW of Ferndale, CaliforniaSat, Jun 10, 12:02 AM PDT · 17643 days ago · 22 km deep · 76 km away
19. 1.715 km NNE of Redcrest, CaliforniaSat, Jun 10, 1:04 AM PDT · 17643 days ago · 21 km deep · 98 km away
20. 1.663 km SW of Ferndale, CaliforniaSat, Jun 10, 2:36 AM PDT · 17643 days ago · 6 km deep · 83 km away
21. 1.824 km WNW of Fields Landing, CaliforniaSat, Jun 10, 5:22 AM PDT · 17643 days ago · 23 km deep · 36 km away
22. 1.830 km SW of Ferndale, CaliforniaSat, Jun 10, 2:39 PM PDT · 17642 days ago · 22 km deep · 77 km away
23. 1.882 km W of Ferndale, CaliforniaSat, Jun 10, 8:35 PM PDT · 17642 days ago · 4 km deep · 67 km away
24. 2.629 km SW of Ferndale, CaliforniaSun, Jun 11, 1:11 AM PDT · 17642 days ago · 19 km deep · 76 km away
25. 2.429 km SW of Ferndale, CaliforniaSun, Jun 11, 10:12 AM PDT · 17641 days ago · 22 km deep · 77 km away
26. 1.838 km W of Indianola, CaliforniaMon, Jun 12, 3:51 AM PDT · 17641 days ago · 12 km deep · 33 km away
27. 1.615 km SE of Indianola, CaliforniaMon, Jun 12, 5:04 AM PDT · 17641 days ago · 21 km deep · 81 km away
28. 1.841 km SSW of Ferndale, CaliforniaMon, Jun 12, 6:48 AM PDT · 17640 days ago · 29 km deep · 85 km away
29. 1.611 km WSW of Scotia, CaliforniaMon, Jun 12, 5:33 PM PDT · 17640 days ago · 19 km deep · 79 km away
30. 2.332 km SW of Ferndale, CaliforniaTue, Jun 13, 4:51 AM PDT · 17640 days ago · 23 km deep · 77 km away
31. 2.024 km SW of Ferndale, CaliforniaThu, Jun 15, 12:25 AM PDT · 17638 days ago · 26 km deep · 74 km away
32. 3.38 km W of Rio Dell, CaliforniaSat, Jun 17, 9:48 AM PDT · 17635 days ago · 20 km deep · 77 km away
33. 2.168 km W of Ferndale, CaliforniaSat, Jun 17, 4:30 PM PDT · 17635 days ago · 6 km deep · 59 km away
34. 3.878 km W of Ferndale, CaliforniaSun, Jun 18, 3:56 AM PDT · 17635 days ago · 5 km deep · 46 km away
35. 1.614 km SW of Ferndale, CaliforniaSun, Jun 18, 6:54 AM PDT · 17634 days ago · 25 km deep · 71 km away
36. 1.611 km SSW of Ferndale, CaliforniaSun, Jun 18, 7:37 AM PDT · 17634 days ago · 20 km deep · 73 km away
37. 4.221 km W of Ferndale, CaliforniaSun, Jun 18, 4:05 PM PDT · 17634 days ago · 23 km deep · 57 km away
38. 2.271 km W of Ferndale, CaliforniaSun, Jun 18, 4:15 PM PDT · 17634 days ago · 19 km deep · 51 km away
39. 2.374 km W of Ferndale, CaliforniaSun, Jun 18, 4:55 PM PDT · 17634 days ago · 21 km deep · 51 km away
40. 3.535 km SW of Ferndale, CaliforniaMon, Jun 19, 5:50 AM PDT · 17634 days ago · 26 km deep · 81 km away
41. 2.171 km W of Samoa, CaliforniaTue, Jun 20, 4:21 AM PDT · 17633 days ago · 4 km deep · 16 km away
42. 1.628 km SW of Ferndale, CaliforniaTue, Jun 20, 12:16 PM PDT · 17632 days ago · 22 km deep · 73 km away
43. 1.523 km SW of Ferndale, CaliforniaTue, Jun 20, 3:37 PM PDT · 17632 days ago · 27 km deep · 71 km away
44. 1.915 km SSW of Ferndale, CaliforniaWed, Jun 21, 2:59 AM PDT · 17632 days ago · 21 km deep · 76 km away
45. 1.920 km SSW of Ferndale, CaliforniaWed, Jun 21, 6:21 AM PDT · 17632 days ago · 24 km deep · 74 km away
46. 1.710 km SSW of Scotia, CaliforniaWed, Jun 21, 2:57 PM PDT · 17631 days ago · 36 km deep · 90 km away
47. 2.217 km SSW of Ferndale, CaliforniaThu, Jun 22, 9:13 PM PDT · 17630 days ago · 18 km deep · 78 km away
48. 1.724 km SSW of Ferndale, CaliforniaThu, Jun 22, 10:10 PM PDT · 17630 days ago · 23 km deep · 79 km away
49. 2.428 km SSW of Ferndale, CaliforniaFri, Jun 23, 7:00 AM PDT · 17629 days ago · 23 km deep · 78 km away
50. 1.5near the coast of Northern CaliforniaSat, Jun 24, 7:15 AM PDT · 17628 days ago · 11 km deep · 45 km away
51. 1.724 km SSW of Ferndale, CaliforniaSat, Jun 24, 7:22 AM PDT · 17628 days ago · 25 km deep · 79 km away
52. 1.96 km WNW of McKinleyville, CaliforniaSun, Jun 25, 9:34 AM PDT · 17627 days ago · 4 km deep · 56 km away
53. 1.67 km WSW of Rio Dell, CaliforniaSun, Jun 25, 8:57 PM PDT · 17627 days ago · 28 km deep · 79 km away
54. 3.132 km SSW of Ferndale, CaliforniaMon, Jun 26, 4:10 AM PDT · 17627 days ago · 26 km deep · 80 km away
55. 2.116 km WSW of Scotia, CaliforniaMon, Jun 26, 5:19 AM PDT · 17627 days ago · 20 km deep · 79 km away
56. 2.823 km W of Samoa, CaliforniaMon, Jun 26, 7:14 AM PDT · 17626 days ago · 23 km deep · 37 km away
57. 2.525 km SSW of Ferndale, CaliforniaMon, Jun 26, 10:54 AM PDT · 17626 days ago · 24 km deep · 77 km away
58. 2.735 km SW of Ferndale, CaliforniaMon, Jun 26, 11:59 AM PDT · 17626 days ago · 27 km deep · 79 km away
59. 1.67 km W of Rio Dell, CaliforniaMon, Jun 26, 2:45 PM PDT · 17626 days ago · 19 km deep · 78 km away
60. 1.517 km S of Ferndale, CaliforniaWed, Jun 28, 3:57 AM PDT · 17625 days ago · 20 km deep · 78 km away

The first 60 of 142.

Before

1. 1.753 km WNW of Indianola, CaliforniaSun, Jun 4, 6:43 AM PDT · 17648 days ago · 0 km deep · 21 km away
2. 1.728 km SW of Ferndale, CaliforniaSun, Jun 4, 3:43 AM PDT · 17649 days ago · 21 km deep · 76 km away
3. 2.351 km W of Ferndale, CaliforniaSat, Jun 3, 1:28 PM PDT · 17649 days ago · 3 km deep · 41 km away
4. 1.645 km W of Ferndale, CaliforniaSat, Jun 3, 7:35 AM PDT · 17649 days ago · 7 km deep · 39 km away
5. 1.60 km WSW of Ferndale, CaliforniaSat, Jun 3, 5:08 AM PDT · 17650 days ago · 21 km deep · 67 km away
6. 1.58 km W of Rio Dell, CaliforniaFri, Jun 2, 9:14 AM PDT · 17650 days ago · 19 km deep · 78 km away
7. 1.645 km W of Ferndale, CaliforniaFri, Jun 2, 5:07 AM PDT · 17651 days ago · 15 km deep · 48 km away
8. 4.073 km WSW of Ferndale, CaliforniaThu, Jun 1, 11:38 AM PDT · 17651 days ago · 3 km deep · 71 km away
9. 1.834 km SW of Ferndale, CaliforniaTue, May 30, 11:51 PM PDT · 17653 days ago · 19 km deep · 74 km away
10. 1.726 km SW of Scotia, CaliforniaTue, May 30, 12:48 PM PDT · 17653 days ago · 11 km deep · 90 km away
11. 1.838 km SW of Ferndale, CaliforniaTue, May 30, 5:38 AM PDT · 17654 days ago · 23 km deep · 77 km away
12. 1.735 km SW of Ferndale, CaliforniaMon, May 29, 10:20 PM PDT · 17654 days ago · 17 km deep · 70 km away
13. 4.8off the coast of Northern CaliforniaSun, May 28, 5:46 PM PDT · 17655 days ago · 8 km deep · 52 km away
14. 2.069 km W of Ferndale, CaliforniaSun, May 28, 2:27 PM PDT · 17655 days ago · 2 km deep · 50 km away
15. 1.617 km WNW of Indianola, CaliforniaWed, May 24, 10:18 AM PDT · 17659 days ago · 22 km deep · 45 km away
16. 2.918 km W of Ferndale, CaliforniaTue, May 23, 4:10 PM PDT · 17660 days ago · 21 km deep · 55 km away
17. 4.632 km SW of Ferndale, CaliforniaTue, May 23, 2:42 PM PDT · 17660 days ago · 29 km deep · 78 km away
18. 2.341 km SW of Ferndale, CaliforniaMon, May 22, 10:47 AM PDT · 17661 days ago · 19 km deep · 73 km away
19. 2.150 km W of Ferndale, CaliforniaSun, May 21, 7:34 PM PDT · 17662 days ago · 26 km deep · 47 km away
20. 2.5near the coast of Northern CaliforniaSun, May 21, 5:34 PM PDT · 17662 days ago · 20 km deep · 73 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc1040547. Read Tue, Sep 29, 2026, 1:03 AM UTC.