M1.5 earthquake 22km WNW of Grapevine, CA

Magnitude

1.5 (Mh), micro

Magnitude from

Southern California Seismic Network

Local time

Mon, Aug 20, 1990, 8:07 AM PDT

UTC

1990-08-20 15:07:57 UTC

Depth

21.5 km (13.3 mi), shallow

Epicenter

35.049° N, 119.138° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Depth from

From location

Station coverage gap

141°

Stations used

0

• Pine Mountain Club, CaliforniaPopulation 2,315. Forecast23 kmN
• Lamont, CaliforniaPopulation 15,120. Forecast31 kmSW
• Bakersfield, CaliforniaPopulation 373,640. Forecast38 kmSSW
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast138 kmNW

After

1. 2.322km NW of Grapevine, CAMon, Aug 20, 10:20 AM PDT · 13194 days ago · 21 km deep · 1 km away
2. 1.724km E of Maricopa, CAMon, Aug 20, 10:21 AM PDT · 13194 days ago · 22 km deep · 3 km away
3. 1.622km N of Pine Mountain Club, CAMon, Aug 20, 11:09 AM PDT · 13194 days ago · 19 km deep · 0 km away
4. 2.523km NW of Grapevine, CAMon, Aug 20, 3:24 PM PDT · 13194 days ago · 17 km deep · 2 km away
5. 1.724km E of Maricopa, CAMon, Aug 20, 3:39 PM PDT · 13194 days ago · 20 km deep · 2 km away
6. 1.821km WNW of Grapevine, CAMon, Aug 20, 5:02 PM PDT · 13193 days ago · 19 km deep · 1 km away
7. 1.823km E of Maricopa, CAMon, Aug 20, 5:32 PM PDT · 13193 days ago · 19 km deep · 5 km away
8. 1.824km ENE of Santa Maria, CAMon, Aug 20, 7:48 PM PDT · 13193 days ago · 2 km deep · 96 km away
9. 1.922km NW of Grapevine, CATue, Aug 21, 4:12 AM PDT · 13193 days ago · 21 km deep · 2 km away
10. 2.023km E of Maricopa, CATue, Aug 21, 4:13 AM PDT · 13193 days ago · 21 km deep · 3 km away
11. 1.515km SE of Carpinteria, CATue, Aug 21, 4:56 AM PDT · 13193 days ago · 3 km deep · 85 km away
12. 2.09km WNW of Ventura, CATue, Aug 21, 5:15 AM PDT · 13193 days ago · 3 km deep · 85 km away
13. 1.911km WNW of Ventura, CATue, Aug 21, 6:44 AM PDT · 13193 days ago · 4 km deep · 85 km away
14. 1.820km N of Pine Mountain Club, CAWed, Aug 22, 3:56 PM PDT · 13192 days ago · 17 km deep · 3 km away
15. 2.011km E of Maricopa, CAWed, Aug 22, 7:46 PM PDT · 13191 days ago · 21 km deep · 13 km away
16. 1.618km WNW of Grapevine, CAWed, Aug 22, 8:58 PM PDT · 13191 days ago · 26 km deep · 4 km away
17. 2.022km WNW of Grapevine, CAWed, Aug 22, 10:17 PM PDT · 13191 days ago · 19 km deep · 1 km away
18. 1.99km W of Ventura, CAThu, Aug 23, 2:17 PM PDT · 13191 days ago · 2 km deep · 87 km away
19. 2.48km WNW of Ventura, CAThu, Aug 23, 3:06 PM PDT · 13191 days ago · 2 km deep · 84 km away
20. 2.39km NW of Ventura, CAThu, Aug 23, 6:51 PM PDT · 13190 days ago · 3 km deep · 82 km away
21. 1.62km ESE of Bodfish, CAFri, Aug 24, 7:24 PM PDT · 13189 days ago · 9 km deep · 85 km away
22. 1.917km NNE of Goleta, CASat, Aug 25, 10:34 PM PDT · 13188 days ago · 0 km deep · 78 km away
23. 1.526km NE of Arvin, CATue, Aug 28, 2:57 AM PDT · 13186 days ago · 2 km deep · 59 km away
24. 1.520km S of Maricopa, CAThu, Aug 30, 2:19 AM PDT · 13184 days ago · 2 km deep · 28 km away
25. 1.922km NNW of Tehachapi, CAFri, Aug 31, 7:46 AM PDT · 13183 days ago · 5 km deep · 63 km away
26. 2.18km SE of Santa Clarita, CAFri, Aug 31, 6:52 PM PDT · 13182 days ago · 6 km deep · 99 km away
27. 1.711km SW of Arvin, CAFri, Aug 31, 9:21 PM PDT · 13182 days ago · 21 km deep · 23 km away
28. 2.212km NNE of Pine Mountain Club, CAMon, Sep 3, 2:20 AM PDT · 13180 days ago · 15 km deep · 11 km away
29. 2.16km NW of Wofford Heights, CAThu, Sep 6, 5:01 PM PDT · 13176 days ago · 3 km deep · 96 km away
30. 2.319km SSE of Bodfish, CAFri, Sep 7, 11:53 AM PDT · 13176 days ago · 5 km deep · 79 km away
31. 1.913km E of Lake Isabella, CASun, Sep 9, 5:47 PM PDT · 13173 days ago · 10 km deep · 98 km away
32. 1.612km NE of Ojai, CASun, Sep 9, 7:47 PM PDT · 13173 days ago · 15 km deep · 59 km away
33. 2.16km ESE of Lake Isabella, CAWed, Sep 12, 4:29 PM PDT · 13170 days ago · 4 km deep · 91 km away
34. 2.011km SSW of Arvin, CAFri, Sep 14, 7:34 AM PDT · 13169 days ago · 17 km deep · 24 km away
35. 1.616km NNW of Pine Mountain Club, CAFri, Sep 14, 3:15 PM PDT · 13169 days ago · 7 km deep · 11 km away
36. 1.611km SSW of Lake Hughes, CAFri, Sep 14, 8:48 PM PDT · 13168 days ago · 7 km deep · 77 km away
37. 2.211km WSW of Grapevine, CASat, Sep 15, 5:27 AM PDT · 13168 days ago · 16 km deep · 18 km away
38. 1.822km NNW of Tehachapi, CASun, Sep 16, 7:13 PM PDT · 13166 days ago · 7 km deep · 62 km away
39. 2.21km WSW of Frazier Park, CAWed, Sep 19, 12:57 PM PDT · 13164 days ago · 12 km deep · 31 km away
40. 2.61km WSW of Frazier Park, CAWed, Sep 19, 1:05 PM PDT · 13164 days ago · 12 km deep · 31 km away
41. 1.82km SW of Frazier Park, CAThu, Sep 20, 1:46 PM PDT · 13163 days ago · 9 km deep · 31 km away
42. 1.610km ESE of Pine Mountain Club, CAThu, Sep 20, 9:05 PM PDT · 13162 days ago · 13 km deep · 28 km away
43. 2.010km SE of Gorman, CAFri, Sep 21, 3:05 AM PDT · 13162 days ago · 11 km deep · 49 km away
44. 2.94km NE of Grapevine, CAFri, Sep 21, 11:44 AM PDT · 13162 days ago · 15 km deep · 24 km away
45. 1.914km SSE of Bodfish, CASun, Sep 23, 7:02 AM PDT · 13160 days ago · 7 km deep · 80 km away
46. 2.622km NNW of Tehachapi, CASun, Sep 23, 7:07 PM PDT · 13159 days ago · 5 km deep · 62 km away
47. 1.615km W of Tehachapi, CAMon, Sep 24, 1:44 PM PDT · 13159 days ago · 9 km deep · 49 km away
48. 1.513km E of Delano, CAFri, Sep 28, 7:11 AM PDT · 13155 days ago · 5 km deep · 78 km away
49. 2.822km NW of Tehachapi, CAFri, Sep 28, 7:08 PM PDT · 13154 days ago · 5 km deep · 57 km away
50. 1.522km NW of Tehachapi, CASat, Sep 29, 8:04 AM PDT · 13154 days ago · 4 km deep · 56 km away
51. 1.63km WSW of Agua Dulce, CAMon, Oct 1, 9:38 PM PDT · 13151 days ago · 5 km deep · 95 km away
52. 2.39km SE of Santa Clarita, CATue, Oct 2, 3:19 AM PDT · 13151 days ago · 7 km deep · 99 km away
53. 2.010km ESE of Santa Clarita, CAWed, Oct 3, 9:55 PM PDT · 13149 days ago · 7 km deep · 100 km away
54. 1.73km NW of Frazier Park, CAThu, Oct 4, 11:20 AM PDT · 13149 days ago · 3 km deep · 28 km away
55. 1.927km SSW of Bodfish, CAThu, Oct 4, 3:25 PM PDT · 13149 days ago · 2 km deep · 62 km away
56. 1.78km W of Pine Mountain Club, CAThu, Oct 4, 9:30 PM PDT · 13148 days ago · 11 km deep · 23 km away
57. 1.524km NE of Arvin, CASun, Oct 7, 1:08 AM PDT · 13146 days ago · 2 km deep · 57 km away
58. 3.214km S of Arvin, CATue, Oct 9, 3:21 AM PDT · 13144 days ago · 15 km deep · 26 km away
59. 2.020km SE of Bodfish, CAWed, Oct 10, 6:08 PM PDT · 13142 days ago · 9 km deep · 87 km away
60. 3.114km SW of Maricopa, CAWed, Oct 10, 6:53 PM PDT · 13142 days ago · 9 km deep · 34 km away

The first 60 of 67.

Before

1. 2.223km NW of Grapevine, CAMon, Aug 20, 2:31 AM PDT · 13194 days ago · 20 km deep · 1 km away
2. 2.214km WSW of Lake Hughes, CASat, Aug 18, 4:41 AM PDT · 13196 days ago · 9 km deep · 68 km away
3. 2.415km SSE of Arvin, CAFri, Aug 17, 5:58 PM PDT · 13196 days ago · 6 km deep · 33 km away
4. 2.09km WNW of Ventura, CAFri, Aug 17, 8:53 AM PDT · 13197 days ago · 3 km deep · 84 km away
5. 2.115km W of Ventura, CAWed, Aug 15, 3:21 AM PDT · 13199 days ago · 9 km deep · 92 km away
6. 1.724km NNW of Tehachapi, CATue, Aug 14, 9:19 PM PDT · 13199 days ago · 3 km deep · 65 km away
7. 1.61km NE of Wofford Heights, CASat, Aug 11, 2:43 PM PDT · 13203 days ago · 3 km deep · 97 km away
8. 2.16km SE of Goleta, CASat, Aug 11, 10:47 AM PDT · 13203 days ago · 0 km deep · 94 km away
9. 3.26km SSE of Santa Barbara, CAThu, Aug 9, 6:15 AM PDT · 13205 days ago · 6 km deep · 89 km away
10. 1.520km NNE of Neenach, CAWed, Aug 8, 8:30 PM PDT · 13205 days ago · 12 km deep · 56 km away
11. 1.614km WNW of Pine Mountain Club, CAWed, Aug 8, 7:55 PM PDT · 13205 days ago · 11 km deep · 23 km away
12. 2.06km SE of Goleta, CAMon, Aug 6, 1:59 AM PDT · 13208 days ago · 3 km deep · 93 km away
13. 1.52km NNE of Lamont, CASun, Aug 5, 7:38 PM PDT · 13208 days ago · 21 km deep · 33 km away
14. 2.516km NW of Tehachapi, CASun, Aug 5, 7:04 PM PDT · 13208 days ago · 5 km deep · 55 km away
15. 2.013km WNW of Ventura, CASun, Aug 5, 4:39 PM PDT · 13208 days ago · 3 km deep · 84 km away
16. 2.412km ENE of McFarland, CASat, Aug 4, 5:57 AM PDT · 13210 days ago · 5 km deep · 76 km away
17. 1.512km SSE of Bodfish, CAThu, Aug 2, 2:30 AM PDT · 13212 days ago · 8 km deep · 78 km away
18. 1.56km WNW of Grapevine, CAWed, Aug 1, 7:15 PM PDT · 13212 days ago · 12 km deep · 17 km away
19. 1.924km NNW of Tehachapi, CATue, Jul 31, 5:14 PM PDT · 13213 days ago · 5 km deep · 59 km away
20. 1.520km N of Mojave, CAMon, Jul 30, 12:07 PM PDT · 13215 days ago · 5 km deep · 89 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci2003227. Read Sun, Oct 4, 2026, 10:56 AM UTC.