M1.9 earthquake 18km WNW of Grapevine, CA

Magnitude

1.9 (Mh), micro

Magnitude from

Southern California Seismic Network

Local time

Mon, May 21, 1979, 12:18 AM PDT

UTC

1979-05-21 07:18:05 UTC

Depth

2.3 km (1.4 mi), shallow

Epicenter

35.018° N, 119.104° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.7 km horizontally, 1.4 km in depth

Depth from

From location

Station coverage gap

116°

Stations used

8

• Pine Mountain Club, CaliforniaPopulation 2,315. Forecast20 kmNNE
• Lamont, CaliforniaPopulation 15,120. Forecast32 kmSSW
• Bakersfield, CaliforniaPopulation 373,640. Forecast40 kmS
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast133 kmNW

After

1. 1.86km SSE of Tehachapi, CATue, May 22, 1:12 AM PDT · 17300 days ago · 6 km deep · 61 km away
2. 2.016km S of Santa Barbara, CASat, May 26, 3:31 PM PDT · 17295 days ago · 2 km deep · 99 km away
3. 2.213km N of Pine Mountain Club, CASun, May 27, 1:00 PM PDT · 17294 days ago · 12 km deep · 7 km away
4. 1.623km NNW of Tehachapi, CAMon, May 28, 2:21 PM PDT · 17293 days ago · 0 km deep · 65 km away
5. 2.033km NNE of Simmler, CATue, May 29, 9:12 PM PDT · 17292 days ago · 31 km deep · 92 km away
6. 1.66km WSW of Valencia, CAWed, May 30, 8:27 AM PDT · 17292 days ago · 23 km deep · 79 km away
7. 2.08km NNW of Pacoima, CAWed, May 30, 1:10 PM PDT · 17291 days ago · 9 km deep · 95 km away
8. 1.611km SW of Santa Barbara, CAThu, May 31, 12:21 AM PDT · 17291 days ago · 5 km deep · 97 km away
9. 2.36km SW of Valencia, CAThu, May 31, 12:46 AM PDT · 17291 days ago · 18 km deep · 80 km away
10. 1.66km SW of Valencia, CAThu, May 31, 5:59 AM PDT · 17291 days ago · 21 km deep · 79 km away
11. 1.75km WNW of Bodfish, CAFri, Jun 1, 1:20 AM PDT · 17290 days ago · 9 km deep · 84 km away
12. 2.318km SW of Bodfish, CAFri, Jun 8, 10:10 AM PDT · 17282 days ago · 5 km deep · 67 km away
13. 1.920km SE of Bodfish, CAFri, Jun 8, 4:31 PM PDT · 17282 days ago · 6 km deep · 87 km away
14. 1.811km S of Agua Dulce, CASat, Jun 9, 7:14 AM PDT · 17282 days ago · 7 km deep · 99 km away
15. 1.78km E of Lake Isabella, CASun, Jun 10, 5:04 PM PDT · 17280 days ago · 0 km deep · 94 km away
16. 1.824km NW of Grapevine, CATue, Jun 12, 5:39 AM PDT · 17279 days ago · 1 km deep · 9 km away
17. 2.16km WSW of Port Hueneme, CATue, Jun 12, 12:46 PM PDT · 17278 days ago · 12 km deep · 100 km away
18. 1.713km NNE of Simi Valley, CATue, Jun 12, 3:14 PM PDT · 17278 days ago · 19 km deep · 82 km away
19. 2.914km WNW of Grapevine, CAThu, Jun 14, 10:14 PM PDT · 17276 days ago · 8 km deep · 4 km away
20. 1.85km E of Lake Isabella, CAThu, Jun 14, 11:44 PM PDT · 17276 days ago · 5 km deep · 91 km away
21. 3.016km SSW of Rosedale, CAFri, Jun 15, 4:11 AM PDT · 17276 days ago · 2 km deep · 29 km away
22. 2.320km WSW of Bodfish, CASat, Jun 16, 1:40 AM PDT · 17275 days ago · 0 km deep · 66 km away
23. 2.116km SW of Bodfish, CAMon, Jun 18, 12:39 PM PDT · 17272 days ago · 6 km deep · 68 km away
24. 1.62km ESE of Piru, CASat, Jun 23, 6:38 PM PDT · 17267 days ago · 12 km deep · 74 km away
25. 1.82km SE of Piru, CASat, Jun 23, 6:49 PM PDT · 17267 days ago · 13 km deep · 75 km away
26. 1.64km WNW of Grapevine, CAMon, Jun 25, 1:14 AM PDT · 17266 days ago · 4 km deep · 14 km away
27. 2.219km S of Carpinteria, CAMon, Jun 25, 8:26 PM PDT · 17265 days ago · 16 km deep · 95 km away
28. 2.320km S of Carpinteria, CAWed, Jun 27, 6:53 PM PDT · 17263 days ago · 14 km deep · 95 km away
29. 1.820km S of Carpinteria, CAWed, Jun 27, 6:55 PM PDT · 17263 days ago · 18 km deep · 96 km away
30. 1.918km S of Carpinteria, CAWed, Jun 27, 7:04 PM PDT · 17263 days ago · 9 km deep · 93 km away
31. 1.519km S of Carpinteria, CAWed, Jun 27, 7:19 PM PDT · 17263 days ago · 4 km deep · 95 km away
32. 1.818km S of Carpinteria, CAWed, Jun 27, 8:06 PM PDT · 17263 days ago · 11 km deep · 94 km away
33. 2.119km S of Carpinteria, CAThu, Jun 28, 7:37 AM PDT · 17263 days ago · 14 km deep · 94 km away
34. 2.76km ESE of Bodfish, CAThu, Jun 28, 8:45 AM PDT · 17263 days ago · 5 km deep · 87 km away
35. 1.529km ENE of Nipomo, CAThu, Jun 28, 5:33 PM PDT · 17262 days ago · 3 km deep · 97 km away
36. 1.813km SSE of Bodfish, CAThu, Jun 28, 9:04 PM PDT · 17262 days ago · 6 km deep · 80 km away
37. 1.828km ESE of Lake Isabella, CAFri, Jun 29, 3:02 PM PDT · 17261 days ago · 9 km deep · 100 km away
38. 2.216km WNW of Tehachapi, CASat, Jun 30, 9:10 PM PDT · 17260 days ago · 9 km deep · 47 km away
39. 3.28km SW of Santa Barbara, CATue, Jul 3, 6:03 AM PDT · 17258 days ago · 14 km deep · 94 km away
40. 3.48km SW of Santa Barbara, CATue, Jul 3, 6:35 AM PDT · 17258 days ago · 14 km deep · 94 km away
41. 2.219km SSE of Carpinteria, CASat, Jul 7, 8:00 PM PDT · 17253 days ago · 11 km deep · 93 km away
42. 1.720km N of Santa Cruz Is. (E end), CASat, Jul 7, 8:24 PM PDT · 17253 days ago · 4 km deep · 98 km away
43. 1.619km SSE of Carpinteria, CASun, Jul 8, 6:18 AM PDT · 17253 days ago · 6 km deep · 93 km away
44. 1.98km NNW of Chatsworth, CATue, Jul 10, 12:15 AM PDT · 17251 days ago · 11 km deep · 88 km away
45. 1.77km NNW of Chatsworth, CATue, Jul 10, 1:51 AM PDT · 17251 days ago · 15 km deep · 89 km away
46. 2.020km N of Santa Cruz Is. (E end), CAFri, Jul 13, 10:42 AM PDT · 17247 days ago · 6 km deep · 97 km away
47. 2.18km WSW of Santa Barbara, CAFri, Jul 13, 1:07 PM PDT · 17247 days ago · 13 km deep · 93 km away
48. 1.721km NNW of Tehachapi, CASat, Jul 14, 6:04 AM PDT · 17247 days ago · 1 km deep · 60 km away
49. 1.56km S of Tehachapi, CAWed, Jul 18, 7:02 AM PDT · 17243 days ago · 9 km deep · 60 km away
50. 1.918km NW of Tehachapi, CAWed, Jul 18, 10:55 AM PDT · 17242 days ago · 6 km deep · 53 km away

Before

1. 3.07km S of Tehachapi, CAWed, May 16, 5:38 PM PDT · 17305 days ago · 8 km deep · 60 km away
2. 1.99km NE of Simi Valley, CATue, May 15, 7:16 AM PDT · 17307 days ago · 18 km deep · 85 km away
3. 2.97km S of Tehachapi, CAMon, May 14, 2:58 PM PDT · 17307 days ago · 5 km deep · 60 km away
4. 1.716km SE of Maricopa, CASun, May 13, 7:23 PM PDT · 17308 days ago · 0 km deep · 18 km away
5. 2.53km W of San Fernando, CASat, May 12, 7:16 AM PDT · 17310 days ago · 10 km deep · 100 km away
6. 2.05km NNE of Wasco, CAFri, May 11, 3:56 PM PDT · 17310 days ago · 6 km deep · 72 km away
7. 1.612km W of Grapevine, CAThu, May 10, 10:40 PM PDT · 17311 days ago · 14 km deep · 8 km away
8. 1.53km SSE of Castaic, CAMon, May 7, 12:40 PM PDT · 17314 days ago · 21 km deep · 77 km away
9. 2.217km SW of Bodfish, CASat, May 5, 6:39 AM PDT · 17317 days ago · 6 km deep · 68 km away
10. 1.616km SSW of Bodfish, CASat, May 5, 1:34 AM PDT · 17317 days ago · 6 km deep · 69 km away
11. 1.622km SE of Bodfish, CASat, May 5, 1:29 AM PDT · 17317 days ago · 20 km deep · 86 km away
12. 1.516km SSW of Bodfish, CASat, May 5, 1:21 AM PDT · 17317 days ago · 6 km deep · 69 km away
13. 2.015km SSW of Bodfish, CASat, May 5, 12:57 AM PDT · 17317 days ago · 6 km deep · 70 km away
14. 1.816km SSW of Bodfish, CASat, May 5, 12:54 AM PDT · 17317 days ago · 6 km deep · 68 km away
15. 1.816km SSW of Bodfish, CASat, May 5, 12:26 AM PDT · 17317 days ago · 6 km deep · 69 km away
16. 2.316km SSW of Bodfish, CAFri, May 4, 11:43 PM PDT · 17317 days ago · 6 km deep · 69 km away
17. 1.616km SSW of Bodfish, CAFri, May 4, 11:35 PM PDT · 17317 days ago · 6 km deep · 69 km away
18. 3.116km SW of Bodfish, CAFri, May 4, 10:34 PM PDT · 17317 days ago · 1 km deep · 68 km away
19. 2.418km SW of Bodfish, CAFri, May 4, 10:10 PM PDT · 17317 days ago · 0 km deep · 66 km away
20. 1.821km WSW of Bodfish, CAFri, May 4, 9:59 PM PDT · 17317 days ago · 6 km deep · 65 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci3349239. Read Fri, Oct 2, 2026, 3:53 AM UTC.