M1.9 earthquake 6 km WNW of Volta, California

Magnitude

1.9 (Md, duration), micro

Magnitude from

Northern California Seismic System

Local time

Wed, Jun 20, 1990, 7:12 PM PDT

UTC

1990-06-21 02:12:57 UTC

Depth

7.0 km (4.4 mi), shallow

Epicenter

37.111° N, 120.991° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.3 km horizontally, 0.9 km in depth

Magnitude uncertainty

±0.11

Depth from

From location

Station coverage gap

71°

Stations used

37

• Los Banos, CaliforniaPopulation 37,457. Forecast14 kmWNW
• Modesto, CaliforniaPopulation 211,266. Forecast59 kmS
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast421 kmNW

After

1. 1.7Northern CaliforniaWed, Jun 20, 9:33 PM PDT · 13253 days ago · 7 km deep · 46 km away
2. 1.59 km SSW of Tres Pinos, CaliforniaThu, Jun 21, 7:00 AM PDT · 13253 days ago · 3 km deep · 55 km away
3. 1.62 km NNW of Aromas, CaliforniaFri, Jun 22, 3:54 PM PDT · 13252 days ago · 9 km deep · 63 km away
4. 1.94 km W of San Juan Bautista, CaliforniaFri, Jun 22, 6:04 PM PDT · 13251 days ago · 8 km deep · 60 km away
5. 2.14 km W of San Juan Bautista, CaliforniaFri, Jun 22, 6:26 PM PDT · 13251 days ago · 7 km deep · 60 km away
6. 2.012 km S of Tres Pinos, CaliforniaSat, Jun 23, 12:34 AM PDT · 13251 days ago · 4 km deep · 56 km away
7. 1.95 km SE of Tres Pinos, CaliforniaSat, Jun 23, 1:43 AM PDT · 13251 days ago · 6 km deep · 48 km away
8. 1.55 km NW of Day Valley, CaliforniaSat, Jun 23, 2:54 AM PDT · 13251 days ago · 16 km deep · 82 km away
9. 1.813 km NE of East Foothills, CaliforniaSat, Jun 23, 11:01 PM PDT · 13250 days ago · 8 km deep · 73 km away
10. 1.69 km WNW of Volta, CaliforniaSun, Jun 24, 10:25 AM PDT · 13250 days ago · 9 km deep · 4 km away
11. 1.92 km S of Lexington Hills, CaliforniaSun, Jun 24, 6:53 PM PDT · 13249 days ago · 11 km deep · 87 km away
12. 2.45 km WNW of Volta, CaliforniaMon, Jun 25, 3:45 AM PDT · 13249 days ago · 1 km deep · 1 km away
13. 2.54 km W of San Juan Bautista, CaliforniaMon, Jun 25, 4:35 AM PDT · 13249 days ago · 8 km deep · 60 km away
14. 1.83 km SE of Los Gatos, CaliforniaMon, Jun 25, 10:20 PM PDT · 13248 days ago · 2 km deep · 85 km away
15. 2.17 km W of Volta, CaliforniaTue, Jun 26, 8:59 AM PDT · 13248 days ago · 0 km deep · 2 km away
16. 1.94 km S of Lexington Hills, CaliforniaWed, Jun 27, 2:08 AM PDT · 13247 days ago · 13 km deep · 87 km away
17. 2.914 km SSE of Tres Pinos, CaliforniaWed, Jun 27, 8:52 AM PDT · 13247 days ago · 4 km deep · 55 km away
18. 3.114 km SSE of Tres Pinos, CaliforniaWed, Jun 27, 10:04 AM PDT · 13247 days ago · 5 km deep · 55 km away
19. 2.024 km NE of King City, CaliforniaWed, Jun 27, 1:34 PM PDT · 13247 days ago · 0 km deep · 79 km away
20. 3.123 km ENE of San Lucas, CaliforniaWed, Jun 27, 9:51 PM PDT · 13246 days ago · 6 km deep · 98 km away
21. 2.04 km ESE of Interlaken, CaliforniaThu, Jun 28, 12:28 AM PDT · 13246 days ago · 10 km deep · 64 km away
22. 1.94 km ESE of Interlaken, CaliforniaThu, Jun 28, 12:30 AM PDT · 13246 days ago · 10 km deep · 64 km away
23. 2.86 km E of Zayante, CaliforniaThu, Jun 28, 9:33 AM PDT · 13246 days ago · 6 km deep · 87 km away
24. 1.62 km NNW of Aromas, CaliforniaThu, Jun 28, 12:15 PM PDT · 13246 days ago · 9 km deep · 63 km away
25. 2.014 km SSE of Tres Pinos, CaliforniaThu, Jun 28, 6:59 PM PDT · 13245 days ago · 4 km deep · 55 km away
26. 2.64 km NW of Day Valley, CaliforniaFri, Jun 29, 6:20 PM PDT · 13244 days ago · 13 km deep · 80 km away
27. 1.61 km SW of Aptos Hills-Larkin Valley, CaliforniaSat, Jun 30, 6:18 AM PDT · 13244 days ago · 5 km deep · 78 km away
28. 1.86 km WSW of Gilroy, CaliforniaSat, Jun 30, 6:57 AM PDT · 13244 days ago · 5 km deep · 59 km away
29. 1.54 km ENE of Tres Pinos, CaliforniaSat, Jun 30, 4:19 PM PDT · 13244 days ago · 8 km deep · 42 km away
30. 4.16 km NE of East Foothills, CaliforniaSat, Jun 30, 5:36 PM PDT · 13243 days ago · 8 km deep · 76 km away
31. 1.524 km ENE of Greenfield, CaliforniaSat, Jun 30, 5:42 PM PDT · 13243 days ago · 6 km deep · 76 km away
32. 1.65 km NNE of Tres Pinos, CaliforniaSun, Jul 1, 10:05 PM PDT · 13242 days ago · 5 km deep · 41 km away
33. 1.511 km S of Tres Pinos, CaliforniaMon, Jul 2, 12:08 AM PDT · 13242 days ago · 4 km deep · 55 km away
34. 1.72 km NNW of Aromas, CaliforniaMon, Jul 2, 12:31 AM PDT · 13242 days ago · 9 km deep · 63 km away
35. 2.02 km NNW of Aromas, CaliforniaMon, Jul 2, 12:47 AM PDT · 13242 days ago · 9 km deep · 63 km away
36. 1.619 km SW of Gonzales, CaliforniaMon, Jul 2, 10:45 AM PDT · 13242 days ago · 12 km deep · 97 km away
37. 2.124 km NE of Greenfield, CaliforniaTue, Jul 3, 5:58 AM PDT · 13241 days ago · 5 km deep · 71 km away
38. 1.924 km NE of Soledad, CaliforniaTue, Jul 3, 7:57 AM PDT · 13241 days ago · 7 km deep · 61 km away
39. 1.63 km W of Lexington Hills, CaliforniaTue, Jul 3, 1:35 PM PDT · 13241 days ago · 13 km deep · 91 km away
40. 1.716 km SSE of Tres Pinos, CaliforniaTue, Jul 3, 5:23 PM PDT · 13240 days ago · 6 km deep · 57 km away
41. 1.824 km NE of Greenfield, CaliforniaWed, Jul 4, 2:24 AM PDT · 13240 days ago · 5 km deep · 73 km away
42. 1.6Central CaliforniaWed, Jul 4, 7:48 PM PDT · 13239 days ago · 7 km deep · 58 km away
43. 1.610 km WSW of Taft Mosswood, CaliforniaWed, Jul 4, 9:38 PM PDT · 13239 days ago · 16 km deep · 92 km away
44. 1.814 km E of Seven Trees, CaliforniaThu, Jul 5, 1:04 PM PDT · 13239 days ago · 3 km deep · 63 km away
45. 2.06 km NE of East Foothills, CaliforniaThu, Jul 5, 11:55 PM PDT · 13238 days ago · 8 km deep · 78 km away
46. 1.528 km ENE of Soledad, CaliforniaFri, Jul 6, 2:55 PM PDT · 13238 days ago · 5 km deep · 62 km away
47. 2.23 km SW of Hollister, CaliforniaFri, Jul 6, 3:53 PM PDT · 13238 days ago · 6 km deep · 50 km away
48. 1.614 km E of Seven Trees, CaliforniaSat, Jul 7, 9:09 PM PDT · 13236 days ago · 6 km deep · 64 km away
49. 1.61 km WNW of Corralitos, CaliforniaSun, Jul 8, 3:26 AM PDT · 13236 days ago · 12 km deep · 75 km away
50. 2.26 km SSE of San Juan Bautista, CaliforniaSun, Jul 8, 5:07 AM PDT · 13236 days ago · 7 km deep · 58 km away
51. 2.440 km W of Three Rocks, CaliforniaSun, Jul 8, 8:41 AM PDT · 13236 days ago · 5 km deep · 64 km away
52. 1.92 km WSW of San Juan Bautista, CaliforniaSun, Jul 8, 3:09 PM PDT · 13236 days ago · 6 km deep · 59 km away
53. 1.94 km E of Interlaken, CaliforniaMon, Jul 9, 5:58 PM PDT · 13234 days ago · 6 km deep · 64 km away
54. 2.923 km ENE of San Lucas, CaliforniaMon, Jul 9, 6:31 PM PDT · 13234 days ago · 6 km deep · 98 km away
55. 1.823 km ENE of San Lucas, CaliforniaMon, Jul 9, 8:41 PM PDT · 13234 days ago · 6 km deep · 98 km away
56. 1.94 km SSE of Cantua Creek, CaliforniaMon, Jul 9, 10:41 PM PDT · 13234 days ago · 4 km deep · 95 km away
57. 1.54 km NNW of Day Valley, CaliforniaTue, Jul 10, 9:07 AM PDT · 13234 days ago · 14 km deep · 80 km away
58. 2.26 km WNW of Day Valley, CaliforniaWed, Jul 11, 1:46 AM PDT · 13233 days ago · 16 km deep · 83 km away
59. 2.17 km N of Interlaken, CaliforniaThu, Jul 12, 10:18 AM PDT · 13232 days ago · 6 km deep · 65 km away
60. 2.02 km NNE of Amesti, CaliforniaThu, Jul 12, 1:59 PM PDT · 13232 days ago · 20 km deep · 71 km away

The first 60 of 178.

Before

1. 1.79 km W of Volta, CaliforniaWed, Jun 20, 7:05 PM PDT · 13253 days ago · 7 km deep · 5 km away
2. 1.821 km NE of Soledad, CaliforniaWed, Jun 20, 2:28 PM PDT · 13254 days ago · 6 km deep · 64 km away
3. 1.94 km E of Interlaken, CaliforniaTue, Jun 19, 11:39 PM PDT · 13254 days ago · 9 km deep · 64 km away
4. 1.911 km W of Volta, CaliforniaTue, Jun 19, 8:17 PM PDT · 13254 days ago · 0 km deep · 6 km away
5. 2.33 km SSW of Saratoga, CaliforniaTue, Jun 19, 7:43 PM PDT · 13254 days ago · 10 km deep · 93 km away
6. 1.65 km WNW of San Juan Bautista, CaliforniaTue, Jun 19, 6:18 PM PDT · 13254 days ago · 6 km deep · 60 km away
7. 1.71 km NNE of Lexington Hills, CaliforniaTue, Jun 19, 4:30 AM PDT · 13255 days ago · 5 km deep · 87 km away
8. 2.13 km S of San Juan Bautista, CaliforniaTue, Jun 19, 2:43 AM PDT · 13255 days ago · 4 km deep · 58 km away
9. 1.88 km SE of Livermore, CaliforniaMon, Jun 18, 11:21 PM PDT · 13255 days ago · 6 km deep · 85 km away
10. 1.65 km WNW of San Juan Bautista, CaliforniaMon, Jun 18, 3:44 PM PDT · 13256 days ago · 6 km deep · 60 km away
11. 1.98 km SSW of Tres Pinos, CaliforniaMon, Jun 18, 11:47 AM PDT · 13256 days ago · 3 km deep · 55 km away
12. 1.623 km ENE of Soledad, CaliforniaMon, Jun 18, 11:45 AM PDT · 13256 days ago · 6 km deep · 70 km away
13. 3.38 km SSW of Tres Pinos, CaliforniaMon, Jun 18, 7:53 AM PDT · 13256 days ago · 3 km deep · 54 km away
14. 1.63 km NNW of Aromas, CaliforniaSun, Jun 17, 11:21 PM PDT · 13256 days ago · 8 km deep · 63 km away
15. 2.13 km S of San Juan Bautista, CaliforniaSun, Jun 17, 2:04 AM PDT · 13257 days ago · 4 km deep · 58 km away
16. 1.925 km ENE of Greenfield, CaliforniaSat, Jun 16, 10:47 PM PDT · 13257 days ago · 6 km deep · 75 km away
17. 2.13 km WSW of San Juan Bautista, CaliforniaSat, Jun 16, 12:17 PM PDT · 13258 days ago · 7 km deep · 60 km away
18. 1.65 km ESE of Interlaken, CaliforniaSat, Jun 16, 11:36 AM PDT · 13258 days ago · 7 km deep · 63 km away
19. 1.523 km ENE of Soledad, CaliforniaSat, Jun 16, 7:43 AM PDT · 13258 days ago · 4 km deep · 68 km away
20. 2.29 km W of Three Rocks, CaliforniaFri, Jun 15, 9:28 PM PDT · 13258 days ago · 12 km deep · 81 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc159719. Read Sat, Oct 3, 2026, 10:51 AM UTC.