M1.8 earthquake 2km E of Calimesa, CA

Magnitude

1.8 (Mc), micro

Magnitude from

Southern California Seismic Network

Local time

Sun, Aug 5, 1984, 12:33 AM PDT

UTC

1984-08-05 07:33:14 UTC

Depth

15.0 km (9.3 mi), shallow

Epicenter

33.990° N, 117.033° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Depth from

From location

Station coverage gap

186°, poorly surrounded by stations

Stations used

0

• Calimesa, CaliforniaPopulation 8,542. Forecast3 kmESE
• Yucaipa, CaliforniaPopulation 53,328. Forecast5 kmS
• Moreno Valley, CaliforniaPopulation 204,198. Forecast19 kmENE
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast112 kmE

After

1. 2.14km N of Moreno Valley, CASun, Aug 5, 2:14 AM PDT · 15397 days ago · 15 km deep · 19 km away
2. 1.54km ENE of Stanton, CASun, Aug 5, 8:32 AM PDT · 15397 days ago · 5 km deep · 87 km away
3. 1.87km S of Idyllwild, CASun, Aug 5, 11:00 AM PDT · 15397 days ago · 14 km deep · 45 km away
4. 1.98km SSW of Cabazon, CASun, Aug 5, 11:01 AM PDT · 15397 days ago · 16 km deep · 24 km away
5. 2.14km ENE of Cabazon, CASun, Aug 5, 11:15 AM PDT · 15397 days ago · 17 km deep · 27 km away
6. 1.913km SSE of Anza, CASun, Aug 5, 1:01 PM PDT · 15397 days ago · 12 km deep · 72 km away
7. 2.04km N of San Jacinto, CASun, Aug 5, 4:52 PM PDT · 15396 days ago · 14 km deep · 20 km away
8. 2.18km NW of Camp Pendleton South, CASun, Aug 5, 7:29 PM PDT · 15396 days ago · 5 km deep · 87 km away
9. 1.611km WSW of Anza, CASun, Aug 5, 8:12 PM PDT · 15396 days ago · 4 km deep · 55 km away
10. 4.29km NE of Cabazon, CAMon, Aug 6, 1:14 AM PDT · 15396 days ago · 13 km deep · 30 km away
11. 2.49km NE of Cabazon, CAMon, Aug 6, 1:18 AM PDT · 15396 days ago · 14 km deep · 29 km away
12. 2.39km NE of Cabazon, CAMon, Aug 6, 1:19 AM PDT · 15396 days ago · 13 km deep · 29 km away
13. 1.89km ENE of Cabazon, CAMon, Aug 6, 1:24 AM PDT · 15396 days ago · 11 km deep · 30 km away
14. 1.910km ENE of Cabazon, CAMon, Aug 6, 1:25 AM PDT · 15396 days ago · 13 km deep · 33 km away
15. 2.29km NE of Cabazon, CAMon, Aug 6, 1:30 AM PDT · 15396 days ago · 12 km deep · 29 km away
16. 1.810km ENE of Cabazon, CAMon, Aug 6, 1:31 AM PDT · 15396 days ago · 10 km deep · 31 km away
17. 1.99km NE of Cabazon, CAMon, Aug 6, 1:31 AM PDT · 15396 days ago · 11 km deep · 29 km away
18. 1.610km ENE of Cabazon, CAMon, Aug 6, 1:52 AM PDT · 15396 days ago · 11 km deep · 32 km away
19. 1.910km NE of Cabazon, CAMon, Aug 6, 3:15 AM PDT · 15396 days ago · 11 km deep · 30 km away
20. 2.59km NE of Cabazon, CAMon, Aug 6, 3:22 AM PDT · 15396 days ago · 12 km deep · 29 km away
21. 1.76km ESE of Valle Vista, CAMon, Aug 6, 4:08 AM PDT · 15396 days ago · 14 km deep · 35 km away
22. 1.916km ESE of Anza, CAMon, Aug 6, 8:43 AM PDT · 15396 days ago · 6 km deep · 73 km away
23. 1.68km NE of Cabazon, CAMon, Aug 6, 9:39 AM PDT · 15396 days ago · 11 km deep · 28 km away
24. 1.99km NE of Cabazon, CAMon, Aug 6, 9:39 PM PDT · 15395 days ago · 13 km deep · 29 km away
25. 1.58km WSW of Pinon Hills, CATue, Aug 7, 4:37 AM PDT · 15395 days ago · 7 km deep · 80 km away
26. 2.18km W of Twentynine Palms, CATue, Aug 7, 8:24 AM PDT · 15395 days ago · 1 km deep · 83 km away
27. 1.610km W of Anza, CATue, Aug 7, 11:51 AM PDT · 15395 days ago · 4 km deep · 54 km away
28. 2.222km SSW of La Quinta, CATue, Aug 7, 11:55 AM PDT · 15395 days ago · 9 km deep · 81 km away
29. 1.96km S of Cabazon, CATue, Aug 7, 1:54 PM PDT · 15395 days ago · 14 km deep · 26 km away
30. 2.08km NNE of Moreno Valley, CATue, Aug 7, 3:41 PM PDT · 15394 days ago · 13 km deep · 15 km away
31. 1.64km E of Calimesa, CATue, Aug 7, 4:47 PM PDT · 15394 days ago · 4 km deep · 2 km away
32. 1.54km E of Calimesa, CATue, Aug 7, 4:47 PM PDT · 15394 days ago · 4 km deep · 2 km away
33. 1.98km SSW of Idyllwild, CATue, Aug 7, 4:56 PM PDT · 15394 days ago · 16 km deep · 43 km away
34. 2.110km WNW of Garnet, CATue, Aug 7, 10:49 PM PDT · 15394 days ago · 13 km deep · 37 km away
35. 1.521km ESE of Anza, CAWed, Aug 8, 11:46 AM PDT · 15394 days ago · 14 km deep · 78 km away
36. 1.621km ESE of Anza, CAWed, Aug 8, 2:36 PM PDT · 15393 days ago · 14 km deep · 78 km away
37. 2.18km S of Llano, CAWed, Aug 8, 4:42 PM PDT · 15393 days ago · 1 km deep · 84 km away
38. 2.48km S of Llano, CAThu, Aug 9, 2:56 AM PDT · 15393 days ago · 1 km deep · 83 km away
39. 1.62km SW of Mentone, CAThu, Aug 9, 3:55 AM PDT · 15393 days ago · 12 km deep · 13 km away
40. 1.714km SE of Anza, CAThu, Aug 9, 9:43 AM PDT · 15393 days ago · 13 km deep · 72 km away
41. 1.84km S of Beaumont, CAThu, Aug 9, 5:02 PM PDT · 15392 days ago · 11 km deep · 12 km away
42. 1.84km S of Beaumont, CAThu, Aug 9, 5:02 PM PDT · 15392 days ago · 10 km deep · 12 km away
43. 1.83km E of Calimesa, CAThu, Aug 9, 7:10 PM PDT · 15392 days ago · 14 km deep · 1 km away
44. 2.23km ESE of Colton, CAThu, Aug 9, 8:25 PM PDT · 15392 days ago · 11 km deep · 25 km away
45. 1.68km NE of Anza, CAFri, Aug 10, 2:47 AM PDT · 15392 days ago · 12 km deep · 57 km away
46. 1.65km NNE of Beaumont, CAFri, Aug 10, 8:51 AM PDT · 15392 days ago · 8 km deep · 7 km away
47. 2.28km W of Yucca Valley, CAFri, Aug 10, 11:32 AM PDT · 15392 days ago · 9 km deep · 49 km away
48. 2.011km S of Idyllwild, CASat, Aug 11, 6:41 AM PDT · 15391 days ago · 15 km deep · 48 km away
49. 1.714km SE of Anza, CASat, Aug 11, 11:23 AM PDT · 15391 days ago · 12 km deep · 73 km away
50. 1.59km SW of Morongo Valley, CASat, Aug 11, 12:17 PM PDT · 15391 days ago · 12 km deep · 36 km away
51. 1.819km E of Big Bear City, CASat, Aug 11, 12:28 PM PDT · 15391 days ago · 6 km deep · 47 km away
52. 1.86km SSE of Lake Henshaw, CASat, Aug 11, 3:20 PM PDT · 15390 days ago · 5 km deep · 93 km away
53. 1.84km NNE of Morongo Valley, CASat, Aug 11, 7:30 PM PDT · 15390 days ago · 11 km deep · 44 km away
54. 2.37km SSW of Big Bear Lake, CASat, Aug 11, 7:51 PM PDT · 15390 days ago · 9 km deep · 24 km away
55. 1.97km ENE of Morongo Valley, CASun, Aug 12, 12:51 AM PDT · 15390 days ago · 11 km deep · 49 km away
56. 1.88km SE of Running Springs, CASun, Aug 12, 6:14 AM PDT · 15390 days ago · 13 km deep · 19 km away
57. 1.79km SSW of Idyllwild, CASun, Aug 12, 6:30 AM PDT · 15390 days ago · 12 km deep · 44 km away
58. 2.02km NW of Big Bear City, CASun, Aug 12, 7:08 AM PDT · 15390 days ago · 10 km deep · 36 km away
59. 1.99km NE of Cabazon, CASun, Aug 12, 8:23 AM PDT · 15390 days ago · 13 km deep · 30 km away
60. 1.89km SE of Running Springs, CASun, Aug 12, 8:26 AM PDT · 15390 days ago · 12 km deep · 19 km away

The first 60 of 178.

Before

1. 1.54km ESE of Running Springs, CASat, Aug 4, 8:58 PM PDT · 15397 days ago · 4 km deep · 23 km away
2. 2.24km ENE of Running Springs, CASat, Aug 4, 8:11 PM PDT · 15397 days ago · 5 km deep · 27 km away
3. 1.88km SW of Idyllwild, CASat, Aug 4, 3:29 AM PDT · 15398 days ago · 13 km deep · 39 km away
4. 1.83km NNW of Chino Hills, CASat, Aug 4, 1:33 AM PDT · 15398 days ago · 11 km deep · 68 km away
5. 1.812km SE of Anza, CAFri, Aug 3, 7:47 PM PDT · 15398 days ago · 13 km deep · 71 km away
6. 2.36km E of Moreno Valley, CAFri, Aug 3, 7:24 PM PDT · 15398 days ago · 14 km deep · 14 km away
7. 1.911km SSW of Idyllwild, CAFri, Aug 3, 12:58 PM PDT · 15399 days ago · 15 km deep · 45 km away
8. 1.817km N of Borrego Springs, CAFri, Aug 3, 12:53 PM PDT · 15399 days ago · 13 km deep · 86 km away
9. 1.55km WNW of Borrego Springs, CAFri, Aug 3, 4:06 AM PDT · 15399 days ago · 8 km deep · 98 km away
10. 1.87km SSW of Cabazon, CAFri, Aug 3, 2:34 AM PDT · 15399 days ago · 15 km deep · 26 km away
11. 1.812km W of Anza, CAThu, Aug 2, 11:10 AM PDT · 15400 days ago · 2 km deep · 53 km away
12. 2.314km S of Joshua Tree, CAThu, Aug 2, 3:44 AM PDT · 15400 days ago · 2 km deep · 65 km away
13. 2.018km S of Joshua Tree, CAThu, Aug 2, 12:08 AM PDT · 15400 days ago · 5 km deep · 67 km away
14. 2.415km S of Joshua Tree, CAWed, Aug 1, 11:47 PM PDT · 15400 days ago · 4 km deep · 65 km away
15. 1.68km NNW of Rancho Cucamonga, CAWed, Aug 1, 7:06 PM PDT · 15400 days ago · 7 km deep · 56 km away
16. 2.210km W of Corona, CAWed, Aug 1, 12:52 PM PDT · 15401 days ago · 1 km deep · 61 km away
17. 1.86km ESE of Morongo Valley, CAWed, Aug 1, 10:02 AM PDT · 15401 days ago · 10 km deep · 47 km away
18. 1.56km SSE of Idyllwild, CAWed, Aug 1, 9:34 AM PDT · 15401 days ago · 16 km deep · 46 km away
19. 1.710km E of Yorba Linda, CAWed, Aug 1, 6:04 AM PDT · 15401 days ago · 5 km deep · 63 km away
20. 1.514km SSE of Anza, CAWed, Aug 1, 3:33 AM PDT · 15401 days ago · 6 km deep · 72 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci46721. Read Thu, Oct 1, 2026, 8:52 AM UTC.