M2.4 earthquake 11 km E of Comptche, California

Magnitude

2.4 (md), micro

Local time

Tue, May 1, 1979, 2:53 PM PDT

UTC

1979-05-01 21:53:36 UTC

Depth

13.3 km (8.3 mi), shallow

Epicenter

39.269° N, 123.462° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 2.0 km horizontally, 0.9 km in depth

Magnitude uncertainty

±0.09

Depth from

From location

Station coverage gap

205°, poorly surrounded by stations

Stations used

18

• Willits, CaliforniaPopulation 4,861. Forecast18 kmSSW
• Ukiah, CaliforniaPopulation 15,917. Forecast26 kmWNW
• Santa Rosa, CaliforniaPopulation 178,127. Forecast113 kmNW
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast743 kmNW

After

1. 1.714 km NNW of Potter Valley, CaliforniaTue, May 1, 11:34 PM PDT · 17311 days ago · 4 km deep · 30 km away
2. 3.06 km W of Cobb, CaliforniaWed, May 2, 1:50 AM PDT · 17311 days ago · 1 km deep · 76 km away
3. 1.56 km WSW of Cobb, CaliforniaSat, May 5, 1:02 PM PDT · 17307 days ago · 1 km deep · 77 km away
4. 1.64 km WSW of Cobb, CaliforniaFri, May 11, 2:25 PM PDT · 17301 days ago · 1 km deep · 79 km away
5. 1.65 km WSW of Cobb, CaliforniaFri, May 11, 4:16 PM PDT · 17301 days ago · 0 km deep · 78 km away
6. 2.33 km WSW of Cobb, CaliforniaSun, May 13, 7:11 AM PDT · 17299 days ago · 2 km deep · 79 km away
7. 1.87 km W of Cobb, CaliforniaTue, May 15, 6:39 PM PDT · 17297 days ago · 1 km deep · 76 km away
8. 2.27 km W of Cobb, CaliforniaThu, May 17, 2:32 AM PDT · 17296 days ago · 3 km deep · 76 km away
9. 2.28 km WSW of Cobb, CaliforniaSat, May 19, 4:08 PM PDT · 17293 days ago · 1 km deep · 76 km away
10. 1.78 km W of Cobb, CaliforniaTue, May 22, 1:25 AM PDT · 17291 days ago · 0 km deep · 75 km away
11. 1.58 km WNW of Hopland, CaliforniaThu, May 24, 1:39 AM PDT · 17289 days ago · 2 km deep · 38 km away
12. 1.89 km W of Cobb, CaliforniaFri, May 25, 5:50 AM PDT · 17287 days ago · 0 km deep · 74 km away
13. 1.923 km ENE of Potter Valley, CaliforniaFri, May 25, 9:29 AM PDT · 17287 days ago · 9 km deep · 54 km away
14. 1.86 km WNW of Cloverdale, CaliforniaSun, May 27, 2:27 AM PDT · 17286 days ago · 42 km deep · 59 km away
15. 2.74 km WSW of Cobb, CaliforniaSun, May 27, 7:37 PM PDT · 17285 days ago · 1 km deep · 79 km away
16. 2.77 km WSW of Cobb, CaliforniaSun, May 27, 10:28 PM PDT · 17285 days ago · 1 km deep · 77 km away
17. 1.67 km WSW of Cobb, CaliforniaWed, May 30, 4:34 AM PDT · 17283 days ago · 2 km deep · 77 km away
18. 2.36 km S of Clear Lake Riviera, CaliforniaFri, Jun 1, 3:41 AM PDT · 17281 days ago · 2 km deep · 75 km away
19. 1.67 km W of Cobb, CaliforniaFri, Jun 1, 8:15 AM PDT · 17280 days ago · 3 km deep · 76 km away
20. 1.75 km WSW of Cobb, CaliforniaSat, Jun 2, 7:59 PM PDT · 17279 days ago · 0 km deep · 78 km away
21. 1.54 km WSW of Cobb, CaliforniaMon, Jun 4, 11:30 AM PDT · 17277 days ago · 1 km deep · 79 km away
22. 1.7Northern CaliforniaFri, Jun 8, 11:28 PM PDT · 17273 days ago · 2 km deep · 77 km away
23. 1.67 km WSW of Cobb, CaliforniaSat, Jun 9, 11:06 AM PDT · 17272 days ago · 1 km deep · 77 km away
24. 1.60 km WSW of Benbow, CaliforniaSat, Jun 9, 7:53 PM PDT · 17272 days ago · -1 km deep · 93 km away
25. 1.75 km E of Garberville, CaliforniaSun, Jun 10, 1:49 PM PDT · 17271 days ago · 18 km deep · 96 km away
26. 1.68 km SW of Cloverdale, CaliforniaMon, Jun 11, 6:43 PM PDT · 17270 days ago · 3 km deep · 67 km away
27. 2.713 km NNW of Brooktrails, CaliforniaWed, Jun 13, 10:00 PM PDT · 17268 days ago · 2 km deep · 32 km away
28. 2.59 km NE of Leggett, CaliforniaThu, Jun 14, 1:58 AM PDT · 17268 days ago · 5 km deep · 74 km away
29. 1.98 km SE of Benbow, CaliforniaThu, Jun 14, 2:04 AM PDT · 17268 days ago · 1 km deep · 85 km away
30. 1.95 km NW of Potter Valley, CaliforniaThu, Jun 14, 1:44 PM PDT · 17267 days ago · 4 km deep · 27 km away
31. 1.62 km NNE of Talmage, CaliforniaThu, Jun 14, 5:33 PM PDT · 17267 days ago · 6 km deep · 30 km away
32. 2.13 km SE of Calpella, CaliforniaFri, Jun 15, 9:44 AM PDT · 17266 days ago · 4 km deep · 25 km away
33. 1.68 km WSW of Cobb, CaliforniaSat, Jun 16, 6:21 PM PDT · 17265 days ago · 4 km deep · 77 km away
34. 2.77 km WSW of Cobb, CaliforniaSat, Jun 16, 7:15 PM PDT · 17265 days ago · 0 km deep · 77 km away
35. 1.65 km NNE of Geyserville, CaliforniaSat, Jun 16, 7:15 PM PDT · 17265 days ago · -1 km deep · 76 km away
36. 2.43 km NW of Redwood Valley, CaliforniaSun, Jun 17, 7:26 PM PDT · 17264 days ago · 2 km deep · 20 km away
37. 3.16 km W of Cobb, CaliforniaTue, Jun 19, 5:37 AM PDT · 17262 days ago · 3 km deep · 76 km away
38. 1.67 km W of Cobb, CaliforniaTue, Jun 19, 10:20 AM PDT · 17262 days ago · 1 km deep · 76 km away
39. 1.67 km WSW of Cobb, CaliforniaWed, Jun 20, 7:19 AM PDT · 17261 days ago · 1 km deep · 77 km away
40. 3.17 km NE of Willits, CaliforniaFri, Jun 22, 2:21 PM PDT · 17259 days ago · 8 km deep · 25 km away
41. 1.52 km ENE of Redway, CaliforniaTue, Jun 26, 8:24 AM PDT · 17255 days ago · 21 km deep · 99 km away
42. 1.77 km WSW of Cobb, CaliforniaTue, Jun 26, 5:15 PM PDT · 17255 days ago · -1 km deep · 77 km away
43. 1.67 km NW of Cloverdale, CaliforniaWed, Jun 27, 5:01 AM PDT · 17254 days ago · 24 km deep · 57 km away
44. 1.97 km ENE of Benbow, CaliforniaWed, Jun 27, 6:10 PM PDT · 17254 days ago · 18 km deep · 94 km away
45. 2.17 km NNE of Cloverdale, CaliforniaThu, Jun 28, 1:29 AM PDT · 17254 days ago · 4 km deep · 60 km away
46. 2.03 km SE of Clear Lake Riviera, CaliforniaSat, Jun 30, 1:37 AM PDT · 17252 days ago · 5 km deep · 76 km away
47. 2.223 km ENE of Potter Valley, CaliforniaSat, Jun 30, 1:54 AM PDT · 17252 days ago · 12 km deep · 54 km away

Before

1. 1.99 km W of Cobb, CaliforniaTue, May 1, 4:26 AM PDT · 17312 days ago · 1 km deep · 74 km away
2. 2.46 km W of Cobb, CaliforniaSat, Apr 28, 5:16 PM PST · 17314 days ago · 1 km deep · 76 km away
3. 2.10 km N of Hopland, CaliforniaFri, Apr 27, 12:25 AM PST · 17316 days ago · 7 km deep · 44 km away
4. 1.610 km SE of Boonville, CaliforniaTue, Apr 24, 7:45 AM PST · 17318 days ago · 1 km deep · 40 km away
5. 1.910 km NNW of Potter Valley, CaliforniaSat, Apr 21, 1:59 PM PST · 17321 days ago · 4 km deep · 29 km away
6. 2.57 km WSW of Cobb, CaliforniaThu, Apr 19, 7:34 AM PST · 17323 days ago · 3 km deep · 77 km away
7. 1.817 km SE of Alderpoint, CaliforniaThu, Apr 19, 3:20 AM PST · 17324 days ago · 12 km deep · 90 km away
8. 2.06 km WSW of Cobb, CaliforniaSun, Apr 15, 11:30 PM PST · 17327 days ago · 4 km deep · 77 km away
9. 1.95 km ESE of Clearlake Oaks, CaliforniaSun, Apr 15, 3:10 PM PST · 17327 days ago · 2 km deep · 79 km away
10. 1.58 km WSW of Cobb, CaliforniaSun, Apr 15, 1:25 PM PST · 17327 days ago · 4 km deep · 77 km away
11. 2.68 km WSW of Cobb, CaliforniaSun, Apr 15, 5:02 AM PST · 17327 days ago · 4 km deep · 77 km away
12. 1.66 km WSW of Cobb, CaliforniaThu, Apr 12, 5:53 PM PST · 17330 days ago · 0 km deep · 77 km away
13. 1.68 km SSW of Benbow, CaliforniaThu, Apr 5, 7:52 AM PST · 17337 days ago · 15 km deep · 88 km away
14. 1.87 km ENE of Leggett, CaliforniaThu, Apr 5, 6:31 AM PST · 17337 days ago · 8 km deep · 70 km away
15. 1.55 km WSW of Cobb, CaliforniaWed, Apr 4, 11:24 AM PST · 17338 days ago · 0 km deep · 78 km away
16. 1.95 km WSW of Cobb, CaliforniaWed, Apr 4, 10:16 AM PST · 17338 days ago · 0 km deep · 78 km away
17. 2.03 km ESE of Talmage, CaliforniaTue, Apr 3, 8:41 PM PST · 17339 days ago · 3 km deep · 33 km away
18. 1.64 km SSE of Hopland, CaliforniaTue, Apr 3, 3:18 PM PST · 17339 days ago · 7 km deep · 48 km away
19. 1.912 km NNW of Potter Valley, CaliforniaTue, Apr 3, 9:40 AM PST · 17339 days ago · 12 km deep · 30 km away
20. 1.710 km NNW of Potter Valley, CaliforniaTue, Apr 3, 9:26 AM PST · 17339 days ago · 4 km deep · 29 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc1045628. Read Tue, Sep 22, 2026, 11:28 PM UTC.