M1.7 earthquake 20km NW of Grapevine, CA

Magnitude

1.7 (Mc), micro

Magnitude from

Southern California Seismic Network

Local time

Fri, Aug 17, 1984, 11:58 PM PDT

UTC

1984-08-18 06:58:27 UTC

Depth

16.9 km (10.5 mi), shallow

Epicenter

35.067° N, 119.093° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Depth from

From location

Station coverage gap

150°

Stations used

0

• Greenfield, CaliforniaPopulation 3,991. Forecast24 kmSSW
• Lamont, CaliforniaPopulation 15,120. Forecast27 kmSW
• Bakersfield, CaliforniaPopulation 373,640. Forecast35 kmS
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast137 kmNW

After

1. 1.619km SW of Lamont, CAThu, Aug 23, 8:35 PM PDT · 15380 days ago · 12 km deep · 8 km away
2. 1.911km NNW of Grapevine, CASat, Aug 25, 1:12 AM PDT · 15379 days ago · 16 km deep · 11 km away
3. 1.813km NNW of Pine Mountain Club, CASun, Aug 26, 1:33 AM PDT · 15378 days ago · 15 km deep · 15 km away
4. 2.224km NE of Arvin, CASun, Aug 26, 10:22 AM PDT · 15378 days ago · 7 km deep · 53 km away
5. 1.77km ENE of Santa Clarita, CAFri, Aug 31, 9:02 PM PDT · 15372 days ago · 9 km deep · 91 km away
6. 1.83km NW of Frazier Park, CASat, Sep 1, 4:59 PM PDT · 15371 days ago · 12 km deep · 27 km away
7. 1.824km NE of Arvin, CASat, Sep 1, 11:26 PM PDT · 15371 days ago · 5 km deep · 53 km away
8. 1.820km SW of Lamont, CAMon, Sep 3, 10:16 AM PDT · 15370 days ago · 15 km deep · 7 km away
9. 1.618km NNW of Grapevine, CAMon, Sep 3, 11:10 AM PDT · 15370 days ago · 12 km deep · 6 km away
10. 1.618km NW of Grapevine, CAMon, Sep 3, 12:17 PM PDT · 15370 days ago · 16 km deep · 4 km away
11. 1.919km SSW of Lamont, CAMon, Sep 3, 3:01 PM PDT · 15369 days ago · 10 km deep · 9 km away
12. 1.720km SE of Bodfish, CATue, Sep 4, 5:39 AM PDT · 15369 days ago · 6 km deep · 81 km away
13. 2.012km ESE of Wofford Heights, CAThu, Sep 6, 4:48 PM PDT · 15366 days ago · 7 km deep · 97 km away
14. 1.65km NNE of Santa Clarita, CASat, Sep 8, 2:54 AM PDT · 15365 days ago · 7 km deep · 87 km away
15. 1.819km NW of Grapevine, CASat, Sep 8, 5:03 AM PDT · 15365 days ago · 15 km deep · 3 km away
16. 1.917km ESE of Arvin, CASat, Sep 8, 6:50 PM PDT · 15364 days ago · 10 km deep · 39 km away
17. 2.46km SSW of Santa Barbara, CASat, Sep 8, 7:19 PM PDT · 15364 days ago · 5 km deep · 96 km away
18. 1.816km N of Santa Paula, CASun, Sep 9, 10:47 AM PDT · 15364 days ago · 7 km deep · 63 km away
19. 1.818km SW of Lamont, CASun, Sep 9, 7:47 PM PDT · 15363 days ago · 5 km deep · 9 km away
20. 1.514km SSW of Tehachapi, CATue, Sep 11, 2:41 PM PDT · 15361 days ago · 7 km deep · 55 km away
21. 1.618km SW of Lamont, CASun, Sep 16, 2:02 AM PDT · 15357 days ago · 11 km deep · 8 km away
22. 1.816km WSW of Tehachapi, CAMon, Sep 17, 12:44 AM PDT · 15356 days ago · 10 km deep · 44 km away
23. 1.813km NW of Grapevine, CAMon, Sep 17, 9:25 PM PDT · 15355 days ago · 15 km deep · 7 km away
24. 2.07km E of Santa Ynez, CAWed, Sep 19, 1:57 PM PDT · 15354 days ago · 15 km deep · 97 km away
25. 3.512km ENE of Santa Ynez, CAWed, Sep 19, 2:11 PM PDT · 15354 days ago · 0 km deep · 92 km away
26. 2.312km NE of Santa Ynez, CAThu, Sep 20, 4:31 AM PDT · 15353 days ago · -1 km deep · 91 km away
27. 1.53km NE of Santa Clarita, CAThu, Sep 20, 11:01 AM PDT · 15353 days ago · 5 km deep · 89 km away
28. 1.67km SE of Tehachapi, CASat, Sep 22, 4:06 PM PDT · 15350 days ago · 5 km deep · 64 km away
29. 1.818km SW of Lamont, CASun, Sep 23, 12:11 AM PDT · 15350 days ago · 9 km deep · 8 km away
30. 1.820km NW of Grapevine, CASun, Sep 23, 1:29 AM PDT · 15350 days ago · 8 km deep · 3 km away
31. 2.320km NW of Grapevine, CASun, Sep 23, 1:29 AM PDT · 15350 days ago · 15 km deep · 3 km away
32. 2.121km NW of Grapevine, CASun, Sep 23, 3:58 AM PDT · 15350 days ago · 17 km deep · 2 km away
33. 2.019km NW of Grapevine, CASun, Sep 23, 4:51 AM PDT · 15350 days ago · 17 km deep · 2 km away
34. 1.521km ESE of Lake Isabella, CATue, Sep 25, 11:55 AM PDT · 15348 days ago · 11 km deep · 90 km away
35. 2.213km SSE of Bodfish, CAWed, Sep 26, 3:39 AM PDT · 15347 days ago · 5 km deep · 75 km away
36. 1.712km SE of Buttonwillow, CAWed, Sep 26, 8:26 AM PDT · 15347 days ago · 21 km deep · 38 km away
37. 1.924km NNW of Tehachapi, CAWed, Sep 26, 8:56 AM PDT · 15347 days ago · 5 km deep · 54 km away
38. 2.18km NNE of Pine Mountain Club, CAThu, Sep 27, 10:02 PM PDT · 15345 days ago · 13 km deep · 17 km away
39. 1.83km ENE of Ojai, CASat, Sep 29, 7:57 AM PDT · 15344 days ago · 7 km deep · 69 km away
40. 3.317km NW of Grapevine, CAMon, Oct 1, 7:37 AM PDT · 15342 days ago · 21 km deep · 4 km away
41. 3.34km NNW of Ventura, CAMon, Oct 1, 7:59 PM PDT · 15341 days ago · 1 km deep · 85 km away
42. 2.85km NW of Ventura, CAMon, Oct 1, 9:01 PM PDT · 15341 days ago · 13 km deep · 86 km away
43. 3.34km NNW of Ventura, CATue, Oct 2, 2:38 AM PDT · 15341 days ago · 0 km deep · 85 km away
44. 1.521km ESE of Lake Isabella, CATue, Oct 2, 7:07 AM PDT · 15341 days ago · 8 km deep · 91 km away
45. 1.810km ESE of Piru, CAWed, Oct 3, 3:12 AM PDT · 15340 days ago · 2 km deep · 83 km away
46. 1.710km WSW of Rosamond, CAWed, Oct 3, 5:03 PM PDT · 15339 days ago · 5 km deep · 80 km away
47. 2.410km ESE of Santa Clarita, CAFri, Oct 5, 11:24 AM PDT · 15338 days ago · 5 km deep · 99 km away
48. 1.710km N of Grapevine, CAFri, Oct 5, 3:47 PM PDT · 15337 days ago · 12 km deep · 15 km away
49. 3.112km S of Tehachapi, CASat, Oct 6, 1:21 AM PDT · 15337 days ago · 6 km deep · 57 km away
50. 2.113km ENE of Santa Ynez, CASun, Oct 7, 9:54 AM PDT · 15336 days ago · -1 km deep · 90 km away
51. 1.71km SE of Castaic, CAMon, Oct 8, 3:44 AM PDT · 15335 days ago · 7 km deep · 78 km away
52. 1.81km SSE of Castaic, CAMon, Oct 8, 3:44 AM PDT · 15335 days ago · 4 km deep · 78 km away
53. 2.01km S of Castaic, CAMon, Oct 8, 4:06 AM PDT · 15335 days ago · 7 km deep · 78 km away
54. 2.19km WSW of Ojai, CAMon, Oct 8, 5:48 AM PDT · 15335 days ago · 13 km deep · 76 km away
55. 2.119km SW of Lamont, CAMon, Oct 8, 3:54 PM PDT · 15334 days ago · 14 km deep · 7 km away
56. 1.719km NNW of Grapevine, CAWed, Oct 10, 2:39 PM PDT · 15332 days ago · 12 km deep · 6 km away

Before

1. 1.622km NW of Grapevine, CAFri, Aug 17, 1:57 PM PDT · 15387 days ago · 14 km deep · 3 km away
2. 1.714km NE of Taft, CAThu, Aug 16, 9:02 AM PDT · 15388 days ago · 5 km deep · 31 km away
3. 1.620km NNW of Tehachapi, CAThu, Aug 16, 2:35 AM PDT · 15388 days ago · 4 km deep · 60 km away
4. 1.720km NNW of Tehachapi, CAWed, Aug 15, 5:56 PM PDT · 15388 days ago · 4 km deep · 60 km away
5. 1.517km S of Bodfish, CAWed, Aug 15, 10:07 AM PDT · 15389 days ago · 4 km deep · 68 km away
6. 1.68km ESE of Santa Clarita, CATue, Aug 14, 3:01 AM PDT · 15390 days ago · 2 km deep · 96 km away
7. 2.15km NE of Lake Isabella, CAMon, Aug 13, 4:59 PM PDT · 15390 days ago · 2 km deep · 88 km away
8. 3.020km NNW of Tehachapi, CASun, Aug 12, 8:34 PM PDT · 15391 days ago · 5 km deep · 61 km away
9. 2.820km N of Tehachapi, CASun, Aug 12, 12:41 PM PDT · 15392 days ago · 4 km deep · 61 km away
10. 2.34km NNE of Lake Isabella, CASun, Aug 12, 2:27 AM PDT · 15392 days ago · 3 km deep · 87 km away
11. 1.825km NNW of Tehachapi, CAThu, Aug 9, 3:19 PM PDT · 15394 days ago · 5 km deep · 57 km away
12. 2.34km NNE of Lake Isabella, CAWed, Aug 8, 9:49 PM PDT · 15395 days ago · 2 km deep · 87 km away
13. 2.120km NW of Grapevine, CAWed, Aug 8, 9:07 PM PDT · 15395 days ago · 14 km deep · 4 km away
14. 1.520km ESE of Lake Isabella, CAWed, Aug 8, 8:30 AM PDT · 15396 days ago · 7 km deep · 90 km away
15. 2.47km SW of Santa Barbara, CAWed, Aug 8, 6:01 AM PDT · 15396 days ago · 3 km deep · 97 km away
16. 1.58km ESE of Santa Clarita, CATue, Aug 7, 12:42 PM PDT · 15397 days ago · 5 km deep · 97 km away
17. 1.922km ESE of Lake Isabella, CATue, Aug 7, 8:15 AM PDT · 15397 days ago · 10 km deep · 91 km away
18. 1.622km ESE of Bodfish, CATue, Aug 7, 4:51 AM PDT · 15397 days ago · 10 km deep · 90 km away
19. 1.914km NW of Grapevine, CAMon, Aug 6, 11:30 PM PDT · 15397 days ago · 2 km deep · 6 km away
20. 1.57km E of Santa Clarita, CAMon, Aug 6, 3:04 PM PDT · 15397 days ago · 5 km deep · 94 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci49006. Read Sat, Oct 3, 2026, 8:50 AM UTC.