M1.8 earthquake 18km S of La Quinta, CA

Magnitude

1.8 (Mh), micro

Magnitude from

Southern California Seismic Network

Local time

Fri, Sep 15, 1978, 9:20 AM PDT

UTC

1978-09-15 16:20:33 UTC

Depth

12.4 km (7.7 mi), shallow

Epicenter

33.500° N, 116.329° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.3 km horizontally, 0.8 km in depth

Magnitude uncertainty

±0.21

Depth from

From location

Station coverage gap

90°

Stations used

23

• Vista Santa Rosa, CaliforniaPopulation 2,926. Forecast18 kmSW
• La Quinta, CaliforniaPopulation 40,476. Forecast18 kmS
• Temecula, CaliforniaPopulation 110,003. Forecast76 kmE
• San Diego, CaliforniaPopulation 1,404,452. Forecast117 kmNE

After

1. 1.914km SSW of Borrego Springs, CAFri, Sep 15, 6:50 PM PDT · 17547 days ago · 8 km deep · 41 km away
2. 2.011km W of Niland, CAFri, Sep 15, 8:51 PM PDT · 17547 days ago · 4 km deep · 69 km away
3. 1.95km WSW of Big Bear Lake, CAFri, Sep 15, 9:39 PM PDT · 17547 days ago · 10 km deep · 100 km away
4. 1.65km W of San Jacinto, CASat, Sep 16, 4:51 AM PDT · 17547 days ago · 13 km deep · 71 km away
5. 2.415km E of Aguanga, CASat, Sep 16, 6:59 AM PDT · 17547 days ago · 14 km deep · 36 km away
6. 2.25km N of Banning, CASat, Sep 16, 10:06 AM PDT · 17547 days ago · 18 km deep · 73 km away
7. 1.97km WSW of Garnet, CASat, Sep 16, 11:02 PM PDT · 17546 days ago · 14 km deep · 49 km away
8. 2.09km NE of Indio, CASun, Sep 17, 3:45 PM PDT · 17545 days ago · 10 km deep · 34 km away
9. 1.53km WSW of Joshua Tree, CASun, Sep 17, 11:53 PM PDT · 17545 days ago · 11 km deep · 70 km away
10. 1.79km NE of Indio, CAMon, Sep 18, 5:31 AM PDT · 17545 days ago · 7 km deep · 35 km away
11. 2.013km NNW of Borrego Springs, CAMon, Sep 18, 8:39 AM PDT · 17545 days ago · 9 km deep · 19 km away
12. 2.25km N of Banning, CAMon, Sep 18, 1:03 PM PDT · 17545 days ago · 18 km deep · 72 km away
13. 1.610km SW of Anza, CAMon, Sep 18, 9:50 PM PDT · 17544 days ago · 11 km deep · 40 km away
14. 1.74km NNE of Joshua Tree, CATue, Sep 19, 1:58 PM PDT · 17544 days ago · 1 km deep · 74 km away
15. 1.64km NNE of Joshua Tree, CAWed, Sep 20, 3:04 AM PDT · 17543 days ago · 2 km deep · 75 km away
16. 1.915km SE of Anza, CAWed, Sep 20, 7:13 AM PDT · 17543 days ago · 12 km deep · 21 km away
17. 1.518km W of Imperial, CAWed, Sep 20, 9:45 AM PDT · 17543 days ago · 9 km deep · 88 km away
18. 1.68km S of Idyllwild, CAWed, Sep 20, 9:49 PM PDT · 17542 days ago · 16 km deep · 41 km away
19. 2.213km W of Niland, CAWed, Sep 20, 10:52 PM PDT · 17542 days ago · 5 km deep · 68 km away
20. 1.913km WSW of Niland, CAFri, Sep 22, 1:22 AM PDT · 17541 days ago · 4 km deep · 71 km away
21. 1.513km WSW of Niland, CAFri, Sep 22, 1:38 AM PDT · 17541 days ago · 3 km deep · 71 km away
22. 1.713km WSW of Niland, CAFri, Sep 22, 1:52 AM PDT · 17541 days ago · 4 km deep · 71 km away
23. 1.614km WSW of Niland, CAFri, Sep 22, 3:03 AM PDT · 17541 days ago · 4 km deep · 70 km away
24. 2.415km WSW of Niland, CAFri, Sep 22, 4:25 AM PDT · 17541 days ago · 4 km deep · 69 km away
25. 1.814km WSW of Niland, CAFri, Sep 22, 5:13 AM PDT · 17541 days ago · 5 km deep · 71 km away
26. 1.913km WSW of Niland, CAFri, Sep 22, 5:18 AM PDT · 17541 days ago · 5 km deep · 71 km away
27. 1.713km WSW of Niland, CAFri, Sep 22, 9:07 AM PDT · 17541 days ago · 5 km deep · 71 km away
28. 1.75km SSE of Banning, CAFri, Sep 22, 9:14 AM PDT · 17541 days ago · 14 km deep · 65 km away
29. 1.614km S of Anza, CAFri, Sep 22, 11:29 PM PDT · 17540 days ago · 14 km deep · 35 km away
30. 1.614km WSW of Niland, CASat, Sep 23, 12:22 AM PDT · 17540 days ago · 4 km deep · 71 km away
31. 1.714km N of Borrego Springs, CASat, Sep 23, 2:09 AM PDT · 17540 days ago · 10 km deep · 15 km away
32. 1.513km WSW of Niland, CASat, Sep 23, 3:32 AM PDT · 17540 days ago · 5 km deep · 72 km away
33. 1.710km NE of Indio, CASat, Sep 23, 3:42 AM PDT · 17540 days ago · 0 km deep · 36 km away
34. 1.823km NNW of Borrego Springs, CASat, Sep 23, 7:42 AM PDT · 17540 days ago · 7 km deep · 11 km away
35. 1.917km NE of Coachella, CASat, Sep 23, 6:04 PM PDT · 17539 days ago · 0 km deep · 42 km away
36. 1.618km ESE of Anza, CASat, Sep 23, 6:32 PM PDT · 17539 days ago · 13 km deep · 16 km away
37. 1.63km NNW of San Jacinto, CASat, Sep 23, 8:08 PM PDT · 17539 days ago · 13 km deep · 69 km away
38. 1.810km SE of Anza, CASat, Sep 23, 8:56 PM PDT · 17539 days ago · 7 km deep · 26 km away
39. 1.88km WNW of Lake Henshaw, CASat, Sep 23, 10:43 PM PDT · 17539 days ago · 13 km deep · 53 km away
40. 1.610km SE of Ocotillo Wells, CASun, Sep 24, 2:31 AM PDT · 17539 days ago · 15 km deep · 53 km away
41. 1.724km NNW of Borrego Springs, CASun, Sep 24, 5:49 AM PDT · 17539 days ago · 8 km deep · 11 km away
42. 1.813km WSW of Niland, CASun, Sep 24, 8:19 AM PDT · 17539 days ago · 5 km deep · 72 km away
43. 1.513km NE of Joshua Tree, CASun, Sep 24, 8:43 AM PDT · 17539 days ago · 9 km deep · 79 km away
44. 1.613km NE of Borrego Springs, CASun, Sep 24, 11:02 AM PDT · 17539 days ago · 12 km deep · 18 km away
45. 1.610km SW of Morongo Valley, CASun, Sep 24, 11:45 AM PDT · 17539 days ago · 9 km deep · 61 km away
46. 1.719km ESE of Anza, CASun, Sep 24, 4:09 PM PDT · 17538 days ago · 9 km deep · 14 km away
47. 1.714km SE of Big Bear City, CAMon, Sep 25, 5:48 AM PDT · 17538 days ago · 2 km deep · 84 km away
48. 1.614km NNE of Borrego Springs, CAMon, Sep 25, 7:22 AM PDT · 17538 days ago · 14 km deep · 15 km away
49. 1.811km NNW of Anza, CAMon, Sep 25, 1:37 PM PDT · 17538 days ago · 14 km deep · 40 km away
50. 1.524km W of Westmorland, CATue, Sep 26, 2:06 AM PDT · 17537 days ago · 15 km deep · 64 km away
51. 1.918km ESE of Anza, CATue, Sep 26, 10:43 AM PDT · 17537 days ago · 1 km deep · 15 km away
52. 1.79km ENE of Borrego Springs, CATue, Sep 26, 5:25 PM PDT · 17536 days ago · 14 km deep · 24 km away
53. 2.25km NNW of Brawley, CAWed, Sep 27, 9:34 PM PDT · 17535 days ago · 10 km deep · 90 km away
54. 2.311km NE of Cabazon, CAThu, Sep 28, 1:55 PM PDT · 17535 days ago · 14 km deep · 66 km away
55. 3.824km SSW of Ocotillo Wells, CAThu, Sep 28, 4:13 PM PDT · 17534 days ago · 16 km deep · 61 km away
56. 2.226km SSW of Ocotillo Wells, CAThu, Sep 28, 4:16 PM PDT · 17534 days ago · 15 km deep · 62 km away
57. 1.924km SSW of Ocotillo Wells, CAThu, Sep 28, 4:20 PM PDT · 17534 days ago · 11 km deep · 60 km away
58. 1.824km SSW of Ocotillo Wells, CAThu, Sep 28, 4:26 PM PDT · 17534 days ago · 12 km deep · 60 km away
59. 1.824km SSW of Ocotillo Wells, CAThu, Sep 28, 4:29 PM PDT · 17534 days ago · 7 km deep · 60 km away
60. 1.824km SSW of Ocotillo Wells, CAThu, Sep 28, 4:30 PM PDT · 17534 days ago · 13 km deep · 60 km away

The first 60 of 172.

Before

1. 1.73km NNE of Brawley, CAFri, Sep 15, 8:39 AM PDT · 17548 days ago · 10 km deep · 93 km away
2. 1.82km ESE of Westmorland, CAFri, Sep 15, 4:39 AM PDT · 17548 days ago · 7 km deep · 85 km away
3. 1.619km ESE of Anza, CAFri, Sep 15, 3:07 AM PDT · 17548 days ago · 4 km deep · 14 km away
4. 1.59km NNE of Julian, CAThu, Sep 14, 11:49 PM PDT · 17548 days ago · 6 km deep · 45 km away
5. 1.73km ESE of Westmorland, CAThu, Sep 14, 11:35 PM PDT · 17548 days ago · 7 km deep · 87 km away
6. 1.84km E of Westmorland, CAThu, Sep 14, 11:21 PM PDT · 17548 days ago · 6 km deep · 86 km away
7. 1.65km NNE of Cabazon, CAThu, Sep 14, 10:35 PM PDT · 17548 days ago · 8 km deep · 66 km away
8. 1.712km NNE of Cabazon, CAThu, Sep 14, 8:24 PM PDT · 17548 days ago · 12 km deep · 70 km away
9. 1.917km NNW of Borrego Springs, CAThu, Sep 14, 9:28 AM PDT · 17549 days ago · 12 km deep · 16 km away
10. 2.13km N of Valle Vista, CAThu, Sep 14, 4:40 AM PDT · 17549 days ago · 9 km deep · 61 km away
11. 1.713km SSE of Bombay Beach, CAThu, Sep 14, 3:54 AM PDT · 17549 days ago · 5 km deep · 67 km away
12. 1.85km NE of Westmorland, CAThu, Sep 14, 2:05 AM PDT · 17549 days ago · 10 km deep · 84 km away
13. 1.56km N of Beaumont, CAThu, Sep 14, 1:29 AM PDT · 17549 days ago · 15 km deep · 81 km away
14. 1.821km ESE of Anza, CAWed, Sep 13, 10:30 PM PDT · 17549 days ago · 11 km deep · 12 km away
15. 1.617km ENE of Thousand Palms, CAWed, Sep 13, 7:32 PM PDT · 17549 days ago · 6 km deep · 45 km away
16. 1.917km ENE of Thousand Palms, CAWed, Sep 13, 6:50 PM PDT · 17549 days ago · 7 km deep · 45 km away
17. 2.05km NE of Big Bear City, CAWed, Sep 13, 4:54 PM PDT · 17549 days ago · 3 km deep · 99 km away
18. 2.118km ENE of Thousand Palms, CAWed, Sep 13, 2:08 PM PDT · 17550 days ago · 6 km deep · 45 km away
19. 2.28km NNE of Imperial, CAWed, Sep 13, 2:33 AM PDT · 17550 days ago · 10 km deep · 100 km away
20. 1.917km ENE of Thousand Palms, CAWed, Sep 13, 1:42 AM PDT · 17550 days ago · 7 km deep · 45 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci3313421. Read Thu, Oct 1, 2026, 10:11 AM UTC.