M1.7 earthquake 24km ENE of Thermal, CA

Magnitude

1.7 (Mc), micro

Magnitude from

Southern California Seismic Network

Local time

Sat, Jul 1, 1978, 9:22 AM PDT

UTC

1978-07-01 16:22:36 UTC

Depth

8.1 km (5.0 mi), shallow

Epicenter

33.747° N, 115.913° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.5 km horizontally, 1.6 km in depth

Depth from

From location

Station coverage gap

69°

Stations used

17

• Thermal, CaliforniaPopulation 2,865. Forecast24 kmENE
• Coachella, CaliforniaPopulation 44,635. Forecast25 kmENE
• Temecula, CaliforniaPopulation 110,003. Forecast118 kmENE
• Mexicali, MexicoPopulation 1,032,686. Forecast132 kmNNW

After

1. 1.96km NNW of Brawley, CASat, Jul 1, 11:13 AM PDT · 17628 days ago · 8 km deep · 86 km away
2. 2.324km ENE of Pine Valley, CASun, Jul 2, 8:27 AM PDT · 17627 days ago · 4 km deep · 97 km away
3. 2.124km ENE of Pine Valley, CASun, Jul 2, 11:20 AM PDT · 17627 days ago · 1 km deep · 98 km away
4. 1.722km W of Westmorland, CASun, Jul 2, 7:28 PM PDT · 17626 days ago · 5 km deep · 78 km away
5. 1.61km E of Beaumont, CASun, Jul 2, 8:06 PM PDT · 17626 days ago · 13 km deep · 99 km away
6. 1.615km SSE of Ocotillo Wells, CASun, Jul 2, 9:53 PM PDT · 17626 days ago · 17 km deep · 81 km away
7. 3.014km SE of Anza, CAMon, Jul 3, 1:34 AM PDT · 17626 days ago · 6 km deep · 70 km away
8. 2.013km SE of Anza, CAMon, Jul 3, 1:50 AM PDT · 17626 days ago · 9 km deep · 70 km away
9. 1.615km NE of Borrego Springs, CAMon, Jul 3, 12:00 PM PDT · 17626 days ago · 10 km deep · 55 km away
10. 1.810km NE of Indio, CAMon, Jul 3, 5:28 PM PDT · 17626 days ago · 6 km deep · 20 km away
11. 1.616km N of Joshua Tree, CATue, Jul 4, 8:19 AM PDT · 17625 days ago · 3 km deep · 71 km away
12. 1.56km SW of Idyllwild, CATue, Jul 4, 1:29 PM PDT · 17625 days ago · 16 km deep · 78 km away
13. 1.713km S of Salton City, CATue, Jul 4, 2:13 PM PDT · 17625 days ago · 6 km deep · 63 km away
14. 1.811km E of Desert Hot Springs, CATue, Jul 4, 9:57 PM PDT · 17624 days ago · 8 km deep · 49 km away
15. 3.65km SE of Garnet, CAWed, Jul 5, 3:47 AM PDT · 17624 days ago · 2 km deep · 56 km away
16. 2.04km SE of Garnet, CAWed, Jul 5, 3:52 AM PDT · 17624 days ago · 0 km deep · 57 km away
17. 1.711km NNW of Cabazon, CAWed, Jul 5, 12:08 PM PDT · 17624 days ago · 16 km deep · 88 km away
18. 1.712km SW of Westmorland, CAWed, Jul 5, 2:37 PM PDT · 17624 days ago · 10 km deep · 89 km away
19. 1.69km S of Cabazon, CAThu, Jul 6, 3:33 AM PDT · 17623 days ago · 14 km deep · 82 km away
20. 1.86km NE of Westmorland, CAThu, Jul 6, 3:40 AM PDT · 17623 days ago · 10 km deep · 81 km away
21. 1.78km NE of Desert Hot Springs, CAThu, Jul 6, 7:32 AM PDT · 17623 days ago · 2 km deep · 56 km away
22. 1.510km ESE of Anza, CAThu, Jul 6, 8:07 AM PDT · 17623 days ago · 10 km deep · 66 km away
23. 1.718km W of Westmorland, CAThu, Jul 6, 9:57 PM PDT · 17622 days ago · 6 km deep · 82 km away
24. 1.612km ESE of Anza, CAFri, Jul 7, 2:06 AM PDT · 17622 days ago · 16 km deep · 63 km away
25. 1.58km SSW of Idyllwild, CAFri, Jul 7, 4:46 AM PDT · 17622 days ago · 16 km deep · 78 km away
26. 1.72km WNW of Julian, CAFri, Jul 7, 7:10 AM PDT · 17622 days ago · 14 km deep · 99 km away
27. 1.58km SSW of Idyllwild, CAFri, Jul 7, 10:06 AM PDT · 17622 days ago · 16 km deep · 79 km away
28. 2.122km ESE of Anza, CAFri, Jul 7, 3:23 PM PDT · 17622 days ago · 14 km deep · 59 km away
29. 1.921km SW of La Quinta, CAFri, Jul 7, 11:00 PM PDT · 17621 days ago · 9 km deep · 55 km away
30. 1.818km NW of Westmorland, CAFri, Jul 7, 11:42 PM PDT · 17621 days ago · 8 km deep · 66 km away
31. 1.98km NE of Desert Hot Springs, CASat, Jul 8, 1:40 AM PDT · 17621 days ago · 6 km deep · 58 km away
32. 1.917km ESE of Anza, CASat, Jul 8, 7:46 AM PDT · 17621 days ago · 11 km deep · 62 km away
33. 2.112km ENE of Desert Hot Springs, CASat, Jul 8, 12:47 PM PDT · 17621 days ago · 8 km deep · 51 km away
34. 1.916km SE of Anza, CASat, Jul 8, 3:32 PM PDT · 17621 days ago · 6 km deep · 67 km away
35. 1.613km SE of Anza, CASun, Jul 9, 10:57 AM PDT · 17620 days ago · 8 km deep · 71 km away
36. 1.729km S of Cadiz, CASun, Jul 9, 7:51 PM PDT · 17619 days ago · 3 km deep · 65 km away
37. 2.816km NNE of Borrego Springs, CAMon, Jul 10, 2:02 AM PDT · 17619 days ago · 14 km deep · 54 km away
38. 2.98km ENE of Big Bear City, CAMon, Jul 10, 5:22 PM PDT · 17619 days ago · 9 km deep · 98 km away
39. 1.911km ESE of Anza, CATue, Jul 11, 11:02 AM PDT · 17618 days ago · 13 km deep · 67 km away
40. 2.316km WSW of Westmorland, CAWed, Jul 12, 12:13 AM PDT · 17617 days ago · 9 km deep · 83 km away
41. 2.211km SE of Bombay Beach, CAWed, Jul 12, 1:36 AM PDT · 17617 days ago · 4 km deep · 58 km away
42. 2.614km W of Niland, CAWed, Jul 12, 5:16 AM PDT · 17617 days ago · 5 km deep · 62 km away
43. 2.914km W of Niland, CAWed, Jul 12, 5:17 AM PDT · 17617 days ago · 3 km deep · 61 km away
44. 1.914km W of Niland, CAWed, Jul 12, 5:24 AM PDT · 17617 days ago · 3 km deep · 62 km away
45. 2.715km E of Aguanga, CAWed, Jul 12, 7:10 AM PDT · 17617 days ago · 12 km deep · 82 km away
46. 1.912km W of Niland, CAWed, Jul 12, 4:39 PM PDT · 17617 days ago · 5 km deep · 62 km away
47. 1.811km SE of Anza, CAThu, Jul 13, 8:03 AM PDT · 17616 days ago · 8 km deep · 71 km away
48. 1.617km N of Joshua Tree, CAThu, Jul 13, 4:58 PM PDT · 17616 days ago · 10 km deep · 72 km away
49. 1.65km SSW of Idyllwild, CAThu, Jul 13, 10:24 PM PDT · 17615 days ago · 18 km deep · 77 km away
50. 1.913km W of Niland, CAFri, Jul 14, 9:10 AM PDT · 17615 days ago · 0 km deep · 61 km away
51. 1.912km WNW of Niland, CAFri, Jul 14, 2:22 PM PDT · 17615 days ago · 4 km deep · 59 km away
52. 1.615km SE of Anza, CASat, Jul 15, 4:00 AM PDT · 17614 days ago · 6 km deep · 68 km away
53. 2.015km S of Anza, CASat, Jul 15, 5:02 PM PDT · 17614 days ago · 13 km deep · 81 km away
54. 1.79km WSW of Anza, CASun, Jul 16, 12:55 AM PDT · 17613 days ago · 5 km deep · 82 km away
55. 1.71km N of Cabazon, CASun, Jul 16, 10:30 AM PDT · 17613 days ago · 10 km deep · 83 km away
56. 1.612km ENE of Cabazon, CAMon, Jul 17, 1:10 AM PDT · 17612 days ago · 13 km deep · 73 km away
57. 1.79km WSW of Anza, CAMon, Jul 17, 8:13 AM PDT · 17612 days ago · 6 km deep · 82 km away
58. 2.52km NNW of San Jacinto, CAMon, Jul 17, 7:29 PM PDT · 17611 days ago · 12 km deep · 97 km away
59. 1.79km ENE of Desert Hot Springs, CATue, Jul 18, 5:55 AM PDT · 17611 days ago · 10 km deep · 54 km away
60. 1.511km SE of Anza, CATue, Jul 18, 8:43 AM PDT · 17611 days ago · 8 km deep · 69 km away

The first 60 of 173.

Before

1. 1.514km N of Warner Springs, CASat, Jul 1, 2:21 AM PDT · 17628 days ago · 12 km deep · 76 km away
2. 1.621km ESE of Julian, CASat, Jul 1, 12:00 AM PDT · 17628 days ago · 15 km deep · 90 km away
3. 2.04km NW of Joshua Tree, CAFri, Jun 30, 4:52 PM PDT · 17629 days ago · 2 km deep · 61 km away
4. 1.57km N of Westmorland, CAFri, Jun 30, 10:15 AM PDT · 17629 days ago · 10 km deep · 77 km away
5. 1.510km NE of Ocotillo Wells, CAFri, Jun 30, 6:31 AM PDT · 17629 days ago · 6 km deep · 61 km away
6. 2.49km SSW of Westmorland, CAFri, Jun 30, 5:45 AM PDT · 17629 days ago · 9 km deep · 91 km away
7. 1.612km ENE of Cabazon, CAFri, Jun 30, 12:24 AM PDT · 17629 days ago · 11 km deep · 74 km away
8. 1.61km SW of Cabazon, CAThu, Jun 29, 9:43 AM PDT · 17630 days ago · 15 km deep · 84 km away
9. 1.66km SSW of Idyllwild, CAWed, Jun 28, 5:43 PM PDT · 17631 days ago · 12 km deep · 77 km away
10. 1.611km NE of Cabazon, CAWed, Jun 28, 7:08 AM PDT · 17631 days ago · 17 km deep · 78 km away
11. 1.621km N of Joshua Tree, CAWed, Jun 28, 3:06 AM PDT · 17631 days ago · 3 km deep · 76 km away
12. 1.518km SSE of Big Bear Lake, CATue, Jun 27, 11:23 PM PDT · 17631 days ago · 6 km deep · 94 km away
13. 1.65km NW of Joshua Tree, CATue, Jun 27, 8:19 PM PDT · 17631 days ago · 8 km deep · 62 km away
14. 1.616km NW of Morongo Valley, CATue, Jun 27, 3:14 PM PDT · 17632 days ago · 12 km deep · 86 km away
15. 2.07km ESE of Morongo Valley, CATue, Jun 27, 3:30 AM PDT · 17632 days ago · 1 km deep · 63 km away
16. 1.86km S of Idyllwild, CATue, Jun 27, 2:58 AM PDT · 17632 days ago · 16 km deep · 74 km away
17. 2.018km N of Joshua Tree, CATue, Jun 27, 2:26 AM PDT · 17632 days ago · 5 km deep · 73 km away
18. 1.56km WSW of Idyllwild, CASun, Jun 25, 10:38 PM PDT · 17633 days ago · 17 km deep · 80 km away
19. 1.97km ENE of Morongo Valley, CASun, Jun 25, 6:35 PM PDT · 17634 days ago · 12 km deep · 67 km away
20. 1.67km ESE of Valle Vista, CASun, Jun 25, 5:51 PM PDT · 17634 days ago · 17 km deep · 85 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci3340342. Read Mon, Oct 5, 2026, 1:51 PM UTC.