M1.8 earthquake 15 km NNE of Cleone, California

Magnitude

1.8 (Md, duration), micro

Magnitude from

Northern California Seismic System

Local time

Mon, Sep 10, 1990, 3:48 AM PDT

UTC

1990-09-10 10:48:37 UTC

Depth

0.4 km (0.3 mi), shallow

Epicenter

39.614° N, 123.697° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.8 km horizontally, 6.4 km in depth

Magnitude uncertainty

±0.21

Depth from

From location

Station coverage gap

201°, poorly surrounded by stations

Stations used

10

• Cleone, CaliforniaPopulation 618. Forecast16 kmNNE
• Ukiah, CaliforniaPopulation 15,917. Forecast67 kmNW
• Santa Rosa, CaliforniaPopulation 178,127. Forecast156 kmNNW
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast786 kmNW

After

1. 1.620 km NE of Potter Valley, CaliforniaTue, Sep 11, 10:30 PM PDT · 13171 days ago · 5 km deep · 67 km away
2. 2.05 km ENE of Covelo, CaliforniaTue, Sep 11, 11:54 PM PDT · 13171 days ago · -1 km deep · 48 km away
3. 1.521 km NW of Covelo, CaliforniaFri, Sep 14, 8:53 AM PDT · 13169 days ago · 4 km deep · 45 km away
4. 1.56 km ESE of Hopland, CaliforniaSat, Sep 15, 4:39 AM PDT · 13168 days ago · 4 km deep · 93 km away
5. 1.98 km NE of Brooktrails, CaliforniaSat, Sep 15, 1:48 PM PDT · 13168 days ago · 7 km deep · 37 km away
6. 1.96 km ESE of Hopland, CaliforniaSat, Sep 15, 4:37 PM PDT · 13168 days ago · 0 km deep · 93 km away
7. 2.310 km WSW of Manchester, CaliforniaSat, Sep 15, 6:30 PM PDT · 13168 days ago · 1 km deep · 74 km away
8. 2.76 km SW of Paskenta, CaliforniaTue, Sep 18, 6:45 AM PDT · 13165 days ago · 13 km deep · 97 km away
9. 1.57 km NW of Brooktrails, CaliforniaSat, Sep 22, 1:59 AM PDT · 13161 days ago · 5 km deep · 25 km away
10. 3.66 km WNW of Covelo, CaliforniaSun, Sep 23, 8:26 AM PDT · 13160 days ago · 4 km deep · 38 km away
11. 2.06 km W of Covelo, CaliforniaSun, Sep 23, 8:37 AM PDT · 13160 days ago · 2 km deep · 38 km away
12. 1.55 km W of Covelo, CaliforniaSun, Sep 23, 10:19 AM PDT · 13160 days ago · 1 km deep · 38 km away
13. 1.66 km W of Covelo, CaliforniaSun, Sep 23, 10:30 AM PDT · 13160 days ago · 1 km deep · 38 km away
14. 1.64 km NNW of Laytonville, CaliforniaSun, Sep 23, 12:26 PM PDT · 13160 days ago · 9 km deep · 21 km away
15. 2.53 km NE of Myers Flat, CaliforniaWed, Sep 26, 4:59 PM PDT · 13157 days ago · 28 km deep · 75 km away
16. 1.93 km SSE of Calpella, CaliforniaWed, Sep 26, 9:04 PM PDT · 13156 days ago · 0 km deep · 63 km away
17. 1.913 km SE of Covelo, CaliforniaThu, Sep 27, 4:26 AM PDT · 13156 days ago · 0 km deep · 50 km away
18. 1.710 km NW of Redwood Valley, CaliforniaFri, Sep 28, 6:44 PM PDT · 13155 days ago · 0 km deep · 47 km away
19. 1.7near the coast of Northern CaliforniaSun, Sep 30, 1:42 AM PDT · 13153 days ago · 1 km deep · 84 km away
20. 2.022 km NE of Potter Valley, CaliforniaMon, Oct 1, 12:22 PM PDT · 13152 days ago · 6 km deep · 65 km away
21. 2.16 km W of Laytonville, CaliforniaTue, Oct 2, 1:33 PM PDT · 13151 days ago · 3 km deep · 15 km away
22. 2.03 km ESE of Benbow, CaliforniaTue, Oct 2, 5:54 PM PDT · 13151 days ago · 16 km deep · 50 km away
23. 1.55 km W of Covelo, CaliforniaFri, Oct 5, 1:46 PM PDT · 13148 days ago · 4 km deep · 39 km away
24. 1.812 km N of Brooktrails, CaliforniaSun, Oct 7, 12:20 PM PDT · 13146 days ago · 10 km deep · 29 km away
25. 2.312 km N of Brooktrails, CaliforniaMon, Oct 8, 2:38 PM PDT · 13145 days ago · 9 km deep · 29 km away
26. 2.616 km N of Ruth, CaliforniaTue, Oct 9, 3:37 AM PDT · 13144 days ago · 29 km deep · 96 km away
27. 1.512 km N of Brooktrails, CaliforniaTue, Oct 9, 3:28 PM PDT · 13144 days ago · 8 km deep · 29 km away
28. 1.812 km NE of Cleone, CaliforniaSun, Oct 14, 4:04 AM PDT · 13139 days ago · 4 km deep · 5 km away
29. 1.68 km ENE of Brooktrails, CaliforniaTue, Oct 16, 12:41 PM PDT · 13137 days ago · 4 km deep · 37 km away
30. 2.515 km SW of Scotia, CaliforniaFri, Oct 19, 12:30 PM PDT · 13134 days ago · 30 km deep · 94 km away
31. 2.119 km E of Potter Valley, CaliforniaSat, Oct 20, 10:28 AM PDT · 13133 days ago · 6 km deep · 75 km away
32. 1.918 km E of Potter Valley, CaliforniaSat, Oct 20, 4:25 PM PDT · 13133 days ago · 4 km deep · 75 km away
33. 2.940 km SSW of Ferndale, CaliforniaSat, Oct 20, 10:13 PM PDT · 13132 days ago · 4 km deep · 97 km away
34. 1.822 km NNE of Upper Lake, CaliforniaMon, Oct 22, 11:30 AM PDT · 13131 days ago · 6 km deep · 78 km away
35. 1.66 km ESE of Hopland, CaliforniaMon, Oct 22, 8:54 PM PDT · 13130 days ago · 4 km deep · 92 km away
36. 2.119 km NW of Shelter Cove, CaliforniaThu, Oct 25, 4:59 AM PDT · 13128 days ago · 8 km deep · 76 km away
37. 2.510 km N of Cloverdale, CaliforniaFri, Oct 26, 5:25 PM PDT · 13127 days ago · -1 km deep · 99 km away
38. 1.62 km NNE of Talmage, CaliforniaSat, Oct 27, 10:30 PM PDT · 13125 days ago · 5 km deep · 69 km away
39. 1.62 km NNE of Talmage, CaliforniaSat, Oct 27, 10:57 PM PDT · 13125 days ago · 5 km deep · 69 km away
40. 2.024 km NE of Potter Valley, CaliforniaTue, Oct 30, 12:51 AM PST · 13123 days ago · 9 km deep · 66 km away
41. 1.632 km SSW of Ferndale, CaliforniaThu, Nov 1, 8:14 AM PST · 13121 days ago · 5 km deep · 99 km away
42. 1.95 km W of Laytonville, CaliforniaThu, Nov 1, 11:01 AM PST · 13121 days ago · 2 km deep · 15 km away
43. 1.624 km SSW of Scotia, CaliforniaThu, Nov 1, 9:42 PM PST · 13120 days ago · 18 km deep · 89 km away
44. 2.84 km NE of Point Arena, CaliforniaFri, Nov 2, 1:06 PM PST · 13120 days ago · -1 km deep · 76 km away
45. 2.05 km SE of Benbow, CaliforniaMon, Nov 5, 7:49 PM PST · 13116 days ago · 17 km deep · 47 km away
46. 1.718 km WSW of Mad River, CaliforniaMon, Nov 5, 11:37 PM PST · 13116 days ago · -1 km deep · 86 km away
47. 1.817 km NE of Myers Flat, CaliforniaWed, Nov 7, 7:10 AM PST · 13115 days ago · -1 km deep · 85 km away

Before

1. 2.511 km NNE of Redcrest, CaliforniaSun, Sep 9, 8:02 PM PDT · 13174 days ago · 18 km deep · 100 km away
2. 2.615 km S of Mad River, CaliforniaSun, Sep 9, 11:27 AM PDT · 13174 days ago · 30 km deep · 79 km away
3. 1.617 km NE of Potter Valley, CaliforniaSun, Sep 9, 9:15 AM PDT · 13174 days ago · 1 km deep · 68 km away
4. 1.610 km ESE of Willits, CaliforniaFri, Sep 7, 1:32 AM PDT · 13176 days ago · 6 km deep · 47 km away
5. 1.910 km ESE of Willits, CaliforniaFri, Sep 7, 1:26 AM PDT · 13176 days ago · 5 km deep · 48 km away
6. 1.910 km SE of Willits, CaliforniaThu, Sep 6, 12:14 PM PDT · 13177 days ago · 2 km deep · 47 km away
7. 2.75 km E of Ruth, CaliforniaWed, Sep 5, 5:49 PM PDT · 13178 days ago · 18 km deep · 81 km away
8. 2.310 km ESE of Willits, CaliforniaWed, Sep 5, 4:22 PM PDT · 13178 days ago · 3 km deep · 47 km away
9. 2.022 km ENE of Potter Valley, CaliforniaWed, Sep 5, 6:01 AM PDT · 13178 days ago · 6 km deep · 77 km away
10. 2.19 km ESE of Willits, CaliforniaTue, Sep 4, 5:28 AM PDT · 13179 days ago · 1 km deep · 47 km away
11. 3.019 km SW of Scotia, CaliforniaMon, Sep 3, 4:07 PM PDT · 13180 days ago · 29 km deep · 98 km away
12. 2.117 km ENE of Potter Valley, CaliforniaFri, Aug 31, 11:32 PM PDT · 13182 days ago · 7 km deep · 71 km away
13. 1.8near the coast of Northern CaliforniaFri, Aug 31, 8:06 AM PDT · 13183 days ago · -1 km deep · 16 km away
14. 1.710 km SE of Boonville, CaliforniaThu, Aug 30, 9:26 AM PDT · 13184 days ago · 6 km deep · 83 km away
15. 1.915 km SE of Laytonville, CaliforniaWed, Aug 29, 8:21 PM PDT · 13184 days ago · 7 km deep · 28 km away
16. 2.017 km N of Laytonville, CaliforniaTue, Aug 28, 9:52 PM PDT · 13185 days ago · 5 km deep · 31 km away
17. 2.37 km N of Hopland, CaliforniaTue, Aug 28, 6:41 PM PDT · 13186 days ago · 3 km deep · 81 km away
18. 2.27 km N of Hopland, CaliforniaTue, Aug 28, 4:56 PM PDT · 13186 days ago · 0 km deep · 80 km away
19. 1.74 km NW of Redway, CaliforniaMon, Aug 27, 5:05 PM PDT · 13187 days ago · 17 km deep · 61 km away
20. 1.913 km SE of Laytonville, CaliforniaMon, Aug 27, 4:44 AM PDT · 13187 days ago · 1 km deep · 26 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc163939. Read Sun, Oct 4, 2026, 2:38 PM UTC.