M2.0 earthquake 17km ESE of Anza, CA

Magnitude

2.0 (Mc), micro

Magnitude from

Southern California Seismic Network

Local time

Thu, Aug 17, 1978, 5:01 AM PDT

UTC

1978-08-17 12:01:20 UTC

Depth

14.1 km (8.7 mi), shallow

Epicenter

33.503° N, 116.499° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.4 km horizontally, 0.7 km in depth

Depth from

From location

Station coverage gap

60°

Stations used

19

• Anza, CaliforniaPopulation 3,014. Forecast17 kmESE
• La Quinta, CaliforniaPopulation 40,476. Forecast25 kmSW
• Temecula, CaliforniaPopulation 110,003. Forecast60 kmE
• San Diego, CaliforniaPopulation 1,404,452. Forecast107 kmNE

After

1. 1.812km NNE of Ocotillo Wells, CAThu, Aug 17, 7:04 PM PDT · 17579 days ago · 3 km deep · 46 km away
2. 1.717km S of Ocotillo Wells, CAThu, Aug 17, 11:18 PM PDT · 17579 days ago · 2 km deep · 66 km away
3. 1.511km WNW of Morongo Valley, CAFri, Aug 18, 9:45 AM PDT · 17579 days ago · 9 km deep · 65 km away
4. 2.04km SSE of Loma Linda, CASat, Aug 19, 4:12 AM PDT · 17578 days ago · 13 km deep · 89 km away
5. 2.026km SSW of Ocotillo Wells, CASat, Aug 19, 5:02 AM PDT · 17578 days ago · 8 km deep · 70 km away
6. 1.64km SE of Big Bear Lake, CASat, Aug 19, 6:37 AM PDT · 17578 days ago · 17 km deep · 87 km away
7. 1.910km SSE of Bombay Beach, CASat, Aug 19, 2:17 PM PDT · 17577 days ago · 6 km deep · 79 km away
8. 1.612km SW of Morongo Valley, CASat, Aug 19, 2:53 PM PDT · 17577 days ago · 13 km deep · 54 km away
9. 1.614km NNW of Ocotillo Wells, CASun, Aug 20, 5:43 AM PDT · 17577 days ago · 7 km deep · 40 km away
10. 1.918km NNW of Borrego Springs, CASun, Aug 20, 6:57 PM PDT · 17576 days ago · 15 km deep · 12 km away
11. 1.520km NNE of Ocotillo, CAMon, Aug 21, 3:11 AM PDT · 17576 days ago · 6 km deep · 85 km away
12. 1.618km ESE of Anza, CAMon, Aug 21, 4:41 AM PDT · 17576 days ago · 14 km deep · 2 km away
13. 1.811km SE of Anza, CAMon, Aug 21, 7:44 AM PDT · 17576 days ago · 10 km deep · 10 km away
14. 1.67km ESE of Valle Vista, CAMon, Aug 21, 8:22 AM PDT · 17576 days ago · 17 km deep · 39 km away
15. 1.718km ESE of Anza, CAMon, Aug 21, 8:41 AM PDT · 17576 days ago · 14 km deep · 2 km away
16. 2.012km N of Cabazon, CAMon, Aug 21, 11:30 AM PDT · 17576 days ago · 9 km deep · 63 km away
17. 1.911km NW of Warner Springs, CAMon, Aug 21, 12:47 PM PDT · 17575 days ago · 16 km deep · 24 km away
18. 2.021km N of Joshua Tree, CAMon, Aug 21, 8:29 PM PDT · 17575 days ago · 0 km deep · 92 km away
19. 1.713km ENE of Borrego Springs, CATue, Aug 22, 6:13 AM PDT · 17575 days ago · 5 km deep · 33 km away
20. 1.715km N of Borrego Springs, CATue, Aug 22, 7:55 AM PDT · 17575 days ago · 13 km deep · 15 km away
21. 2.35km S of Mentone, CATue, Aug 22, 10:31 AM PDT · 17575 days ago · 4 km deep · 83 km away
22. 1.84km S of Mentone, CATue, Aug 22, 7:13 PM PDT · 17574 days ago · 7 km deep · 83 km away
23. 1.617km ESE of Julian, CATue, Aug 22, 11:36 PM PDT · 17574 days ago · 16 km deep · 52 km away
24. 1.86km SSE of Idyllwild, CAWed, Aug 23, 3:28 AM PDT · 17574 days ago · 16 km deep · 28 km away
25. 2.226km WSW of Westmorland, CAWed, Aug 23, 7:59 AM PDT · 17574 days ago · 8 km deep · 81 km away
26. 1.67km WSW of Anza, CAWed, Aug 23, 9:06 AM PDT · 17574 days ago · 5 km deep · 23 km away
27. 2.03km NW of Palomar Observatory, CAWed, Aug 23, 7:32 PM PDT · 17573 days ago · 8 km deep · 38 km away
28. 1.99km E of Borrego Springs, CAThu, Aug 24, 5:44 AM PDT · 17573 days ago · 11 km deep · 35 km away
29. 1.813km SE of Anza, CAThu, Aug 24, 4:04 PM PDT · 17572 days ago · 10 km deep · 10 km away
30. 1.912km N of Joshua Tree, CAFri, Aug 25, 12:31 PM PDT · 17571 days ago · 9 km deep · 84 km away
31. 1.511km SW of Morongo Valley, CASat, Aug 26, 1:30 AM PDT · 17571 days ago · 16 km deep · 53 km away
32. 2.222km NNE of Ocotillo, CASat, Aug 26, 9:19 PM PDT · 17570 days ago · 11 km deep · 88 km away
33. 1.618km W of Westmorland, CASun, Aug 27, 2:13 AM PDT · 17570 days ago · 7 km deep · 84 km away
34. 2.16km ESE of Ocotillo Wells, CASun, Aug 27, 8:24 AM PDT · 17570 days ago · 11 km deep · 57 km away
35. 1.827km WNW of Desert Center, CASun, Aug 27, 10:48 AM PDT · 17570 days ago · 1 km deep · 82 km away
36. 1.87km NNW of Cabazon, CASun, Aug 27, 8:40 PM PDT · 17569 days ago · 13 km deep · 60 km away
37. 2.25km ESE of Ocotillo Wells, CASun, Aug 27, 10:07 PM PDT · 17569 days ago · 4 km deep · 56 km away
38. 2.027km WNW of Desert Center, CAMon, Aug 28, 3:56 AM PDT · 17569 days ago · 2 km deep · 82 km away
39. 1.614km SE of Anza, CAMon, Aug 28, 3:54 PM PDT · 17568 days ago · 13 km deep · 9 km away
40. 1.96km SE of Bombay Beach, CATue, Aug 29, 6:23 AM PDT · 17568 days ago · 6 km deep · 78 km away
41. 3.210km S of Borrego Springs, CATue, Aug 29, 8:43 AM PDT · 17568 days ago · 22 km deep · 38 km away
42. 1.510km WNW of Ocotillo, CATue, Aug 29, 9:26 AM PDT · 17568 days ago · 6 km deep · 89 km away
43. 1.614km SSE of Bombay Beach, CATue, Aug 29, 12:55 PM PDT · 17567 days ago · 4 km deep · 82 km away
44. 2.714km WSW of Niland, CATue, Aug 29, 7:26 PM PDT · 17567 days ago · 4 km deep · 84 km away
45. 2.513km WSW of Niland, CATue, Aug 29, 7:28 PM PDT · 17567 days ago · 5 km deep · 84 km away
46. 1.912km WSW of Niland, CATue, Aug 29, 7:35 PM PDT · 17567 days ago · 5 km deep · 86 km away
47. 1.811km WSW of Niland, CATue, Aug 29, 7:37 PM PDT · 17567 days ago · 4 km deep · 88 km away
48. 1.511km WSW of Niland, CATue, Aug 29, 7:42 PM PDT · 17567 days ago · 5 km deep · 86 km away
49. 2.012km WSW of Niland, CATue, Aug 29, 7:50 PM PDT · 17567 days ago · 5 km deep · 85 km away
50. 1.712km WSW of Niland, CATue, Aug 29, 7:59 PM PDT · 17567 days ago · 5 km deep · 85 km away
51. 1.54km N of Palomar Observatory, CAWed, Aug 30, 1:27 AM PDT · 17567 days ago · 11 km deep · 36 km away
52. 1.612km WNW of Ocotillo Wells, CAWed, Aug 30, 1:54 AM PDT · 17567 days ago · 3 km deep · 43 km away
53. 1.827km WNW of Desert Center, CAWed, Aug 30, 7:28 AM PDT · 17567 days ago · 1 km deep · 82 km away
54. 1.611km WNW of Garnet, CAThu, Aug 31, 12:02 AM PDT · 17566 days ago · 12 km deep · 51 km away
55. 1.72km SE of Loma Linda, CAThu, Aug 31, 1:19 AM PDT · 17566 days ago · 4 km deep · 91 km away
56. 2.116km ESE of Anza, CAThu, Aug 31, 7:38 AM PDT · 17566 days ago · 14 km deep · 3 km away
57. 1.510km N of Morongo Valley, CAThu, Aug 31, 7:05 PM PDT · 17565 days ago · 12 km deep · 71 km away
58. 1.927km WNW of Desert Center, CAFri, Sep 1, 4:16 AM PDT · 17565 days ago · 2 km deep · 82 km away
59. 2.217km NW of Yucca Valley, CAFri, Sep 1, 5:53 AM PDT · 17565 days ago · 5 km deep · 79 km away
60. 1.717km NW of Yucca Valley, CAFri, Sep 1, 6:03 AM PDT · 17565 days ago · 9 km deep · 81 km away

The first 60 of 160.

Before

1. 2.225km WSW of Westmorland, CAWed, Aug 16, 10:04 PM PDT · 17580 days ago · 13 km deep · 86 km away
2. 2.04km SW of Big Bear Lake, CAWed, Aug 16, 7:16 PM PDT · 17580 days ago · 6 km deep · 90 km away
3. 1.98km NNW of Julian, CAWed, Aug 16, 4:25 PM PDT · 17580 days ago · 18 km deep · 43 km away
4. 1.610km NE of Cabazon, CAWed, Aug 16, 1:56 PM PDT · 17580 days ago · 14 km deep · 55 km away
5. 1.911km N of Joshua Tree, CAWed, Aug 16, 3:07 AM PDT · 17581 days ago · 6 km deep · 84 km away
6. 1.813km ENE of Borrego Springs, CATue, Aug 15, 1:06 PM PDT · 17581 days ago · 3 km deep · 33 km away
7. 2.010km SSW of Idyllwild, CATue, Aug 15, 12:42 PM PDT · 17581 days ago · 13 km deep · 32 km away
8. 1.513km N of Ocotillo Wells, CATue, Aug 15, 11:42 AM PDT · 17582 days ago · 6 km deep · 46 km away
9. 2.922km ESE of Anza, CATue, Aug 15, 8:50 AM PDT · 17582 days ago · 7 km deep · 6 km away
10. 1.617km ESE of Anza, CATue, Aug 15, 7:25 AM PDT · 17582 days ago · 14 km deep · 1 km away
11. 1.910km SE of Anza, CAMon, Aug 14, 5:32 PM PDT · 17582 days ago · 9 km deep · 8 km away
12. 2.221km N of Joshua Tree, CAMon, Aug 14, 4:25 PM PDT · 17582 days ago · 0 km deep · 92 km away
13. 2.121km N of Joshua Tree, CAMon, Aug 14, 2:54 PM PDT · 17582 days ago · 1 km deep · 93 km away
14. 1.612km N of Banning, CAMon, Aug 14, 2:15 PM PDT · 17582 days ago · 17 km deep · 69 km away
15. 1.89km W of Garnet, CAMon, Aug 14, 2:05 PM PDT · 17582 days ago · 17 km deep · 45 km away
16. 1.911km NE of Cabazon, CAMon, Aug 14, 11:27 AM PDT · 17583 days ago · 18 km deep · 58 km away
17. 2.14km NNE of Running Springs, CAMon, Aug 14, 10:13 AM PDT · 17583 days ago · 2 km deep · 99 km away
18. 2.124km NE of Thermal, CAMon, Aug 14, 6:57 AM PDT · 17583 days ago · 0 km deep · 60 km away
19. 2.67km NNE of Banning, CASun, Aug 13, 7:05 PM PDT · 17583 days ago · 6 km deep · 61 km away
20. 1.811km NNE of Borrego Springs, CASun, Aug 13, 6:16 PM PDT · 17583 days ago · 14 km deep · 22 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci3341114. Read Sun, Oct 4, 2026, 6:53 AM UTC.