M1.8 earthquake 1km SSE of Caltech, Pasadena, CA

Magnitude

1.8 (mc), micro

Local time

Sat, Jun 6, 1981, 12:14 AM PDT

UTC

1981-06-06 07:14:12 UTC

Depth

14.0 km (8.7 mi), shallow

Epicenter

34.130° N, 118.122° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.5 km horizontally, 0.7 km in depth

Depth from

From location

Station coverage gap

149°

Stations used

24

• San Marino, CaliforniaPopulation 13,464. Forecast2 kmWNW
• Pasadena, CaliforniaPopulation 142,250. Forecast3 kmSE
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast14 kmNE

After

1. 1.78km NNW of Fontana, CASat, Jun 6, 9:18 PM PDT · 16552 days ago · 5 km deep · 58 km away
2. 1.931km S of Malibu, CASun, Jun 7, 9:23 AM PDT · 16551 days ago · 5 km deep · 79 km away
3. 1.50km E of Compton, CAWed, Jun 10, 7:06 PM PDT · 16548 days ago · 5 km deep · 27 km away
4. 3.811km NE of Simi Valley, CAThu, Jun 11, 11:06 PM PDT · 16546 days ago · 13 km deep · 56 km away
5. 2.35km WSW of Valencia, CAFri, Jun 12, 8:22 PM PDT · 16546 days ago · 4 km deep · 57 km away
6. 1.65km NNW of Running Springs, CASat, Jun 13, 10:49 PM PDT · 16545 days ago · 2 km deep · 92 km away
7. 2.17km ESE of Running Springs, CASun, Jun 14, 5:15 PM PDT · 16544 days ago · 6 km deep · 99 km away
8. 1.62km NNE of Colton, CAMon, Jun 15, 8:38 PM PDT · 16543 days ago · 16 km deep · 75 km away
9. 1.518km S of Port Hueneme, CAWed, Jun 17, 4:09 AM PDT · 16541 days ago · 1 km deep · 98 km away
10. 1.516km SSE of Port Hueneme, CAWed, Jun 17, 4:20 AM PDT · 16541 days ago · 1 km deep · 95 km away
11. 2.612km SSE of Malibu Beach, CAWed, Jun 17, 10:31 PM PDT · 16541 days ago · 8 km deep · 54 km away
12. 2.010km S of Malibu Beach, CAThu, Jun 18, 1:00 AM PDT · 16540 days ago · 9 km deep · 56 km away
13. 2.32km NNE of Loma Linda, CAThu, Jun 18, 8:13 AM PDT · 16540 days ago · 13 km deep · 80 km away
14. 1.52km SSE of Loma Linda, CAFri, Jun 19, 9:19 AM PDT · 16539 days ago · 4 km deep · 81 km away
15. 1.96km SSE of Newport Beach, CASun, Jun 21, 1:23 AM PDT · 16537 days ago · 5 km deep · 66 km away
16. 1.80km ENE of Seal Beach, CAMon, Jun 22, 7:59 AM PDT · 16536 days ago · 2 km deep · 43 km away
17. 2.74km WNW of Seal Beach, CAMon, Jun 22, 11:03 AM PDT · 16536 days ago · 14 km deep · 42 km away
18. 2.012km S of Rancho Palos Verdes, CATue, Jun 23, 11:26 AM PDT · 16535 days ago · 5 km deep · 61 km away
19. 2.021km W of Avalon, CAWed, Jun 24, 1:18 PM PDT · 16534 days ago · 6 km deep · 98 km away
20. 1.76km NNW of Sunland, CAThu, Jun 25, 1:54 AM PDT · 16533 days ago · 2 km deep · 27 km away
21. 1.61km SW of San Bernardino, CAThu, Jun 25, 9:05 AM PDT · 16533 days ago · 2 km deep · 76 km away
22. 2.07km S of Rancho Palos Verdes, CAFri, Jun 26, 7:57 PM PDT · 16532 days ago · 5 km deep · 55 km away
23. 1.91km N of Lennox, CASat, Jun 27, 8:59 PM PDT · 16531 days ago · 1 km deep · 29 km away
24. 1.71km NW of Inglewood, CASat, Jun 27, 9:00 PM PDT · 16531 days ago · 5 km deep · 28 km away
25. 2.35km NNE of Rancho Cucamonga, CASun, Jun 28, 9:38 AM PDT · 16530 days ago · 4 km deep · 51 km away
26. 2.98km SE of Gorman, CASun, Jun 28, 10:59 PM PDT · 16530 days ago · 12 km deep · 92 km away
27. 1.92km WSW of Aliso Viejo, CATue, Jun 30, 6:03 AM PDT · 16528 days ago · 6 km deep · 72 km away
28. 2.46km SSE of Mentone, CATue, Jun 30, 9:39 PM PDT · 16528 days ago · 4 km deep · 94 km away
29. 2.22km NW of Commerce, CAFri, Jul 3, 6:45 AM PDT · 16525 days ago · 9 km deep · 14 km away
30. 1.712km S of Malibu Beach, CAFri, Jul 3, 4:57 PM PDT · 16525 days ago · 14 km deep · 57 km away
31. 1.54km S of San Dimas, CAFri, Jul 3, 10:18 PM PDT · 16525 days ago · 5 km deep · 30 km away
32. 2.610km SSE of Malibu Beach, CASat, Jul 4, 12:04 AM PDT · 16524 days ago · 2 km deep · 54 km away
33. 1.51km NE of Loma Linda, CASat, Jul 4, 6:15 AM PDT · 16524 days ago · 13 km deep · 80 km away
34. 3.24km NW of Lakeland Village, CASat, Jul 4, 5:31 PM PDT · 16524 days ago · 11 km deep · 86 km away
35. 1.710km S of Malibu Beach, CASun, Jul 5, 2:48 AM PDT · 16523 days ago · 14 km deep · 56 km away
36. 2.14km SSE of Elizabeth Lake, CAMon, Jul 6, 2:18 AM PDT · 16522 days ago · 6 km deep · 60 km away
37. 3.02km S of Placentia, CAMon, Jul 6, 12:53 PM PDT · 16522 days ago · 5 km deep · 38 km away
38. 1.713km SSW of Rancho Palos Verdes, CATue, Jul 7, 6:30 AM PDT · 16521 days ago · 17 km deep · 62 km away
39. 2.06km NW of Fontana, CATue, Jul 7, 4:11 PM PDT · 16521 days ago · 14 km deep · 58 km away
40. 2.13km NW of Fountain Valley, CAWed, Jul 8, 5:52 AM PDT · 16520 days ago · 3 km deep · 46 km away
41. 2.45km WNW of Rancho Cucamonga, CAWed, Jul 8, 11:01 PM PDT · 16520 days ago · 10 km deep · 45 km away
42. 1.69km SW of Corona, CASat, Jul 11, 7:04 AM PDT · 16517 days ago · 7 km deep · 56 km away
43. 1.911km SE of Gorman, CASat, Jul 11, 3:29 PM PDT · 16517 days ago · 13 km deep · 89 km away
44. 1.67km S of Littlerock, CASat, Jul 11, 5:34 PM PDT · 16517 days ago · 8 km deep · 38 km away
45. 1.611km N of Sunland, CAFri, Jul 17, 12:44 PM PDT · 16511 days ago · 4 km deep · 30 km away
46. 1.59km SSW of Corona, CAFri, Jul 17, 1:21 PM PDT · 16511 days ago · 3 km deep · 60 km away
47. 2.48km WSW of Rancho Palos Verdes, CAFri, Jul 17, 5:26 PM PDT · 16511 days ago · 6 km deep · 56 km away
48. 1.55km WSW of Valencia, CASat, Jul 18, 9:08 PM PDT · 16510 days ago · 13 km deep · 57 km away
49. 1.72km ESE of Loma Linda, CASun, Jul 19, 9:04 PM PDT · 16509 days ago · 16 km deep · 82 km away
50. 2.414km WNW of Malibu, CATue, Jul 21, 6:43 AM PDT · 16507 days ago · 15 km deep · 77 km away
51. 1.88km ENE of Santa Clarita, CAThu, Jul 23, 9:08 PM PDT · 16505 days ago · 6 km deep · 45 km away
52. 1.911km NE of Lake Arrowhead, CATue, Jul 28, 8:46 AM PDT · 16500 days ago · 1 km deep · 96 km away
53. 3.124km SSE of Malibu, CAWed, Jul 29, 4:37 PM PDT · 16499 days ago · 1 km deep · 65 km away
54. 3.828km SSE of Malibu, CAWed, Jul 29, 4:39 PM PDT · 16499 days ago · 5 km deep · 67 km away
55. 2.623km SSE of Malibu, CAWed, Jul 29, 4:41 PM PDT · 16499 days ago · 6 km deep · 68 km away
56. 1.823km SSE of Malibu, CAWed, Jul 29, 4:57 PM PDT · 16499 days ago · 6 km deep · 64 km away
57. 1.824km SSE of Malibu, CAWed, Jul 29, 5:14 PM PDT · 16499 days ago · 6 km deep · 68 km away
58. 1.624km S of Malibu, CAWed, Jul 29, 5:29 PM PDT · 16499 days ago · 5 km deep · 72 km away
59. 2.725km SSE of Malibu, CAWed, Jul 29, 5:55 PM PDT · 16499 days ago · 0 km deep · 66 km away
60. 2.222km SSE of Malibu, CAWed, Jul 29, 6:10 PM PDT · 16499 days ago · 0 km deep · 67 km away

The first 60 of 73.

Before

1. 1.86km WNW of Mira Loma, CAFri, Jun 5, 8:40 PM PDT · 16553 days ago · 12 km deep · 52 km away
2. 1.81km E of Loma Linda, CAFri, Jun 5, 6:54 PM PDT · 16553 days ago · 16 km deep · 81 km away
3. 3.13km WNW of Lakeland Village, CAThu, Jun 4, 7:26 AM PDT · 16554 days ago · 12 km deep · 87 km away
4. 2.74km W of Lake Elsinore, CAThu, Jun 4, 6:40 AM PDT · 16554 days ago · 11 km deep · 87 km away
5. 3.63km WNW of Lakeland Village, CAThu, Jun 4, 4:51 AM PDT · 16554 days ago · 14 km deep · 87 km away
6. 2.34km NE of Carson, CAWed, Jun 3, 11:11 PM PDT · 16554 days ago · 18 km deep · 32 km away
7. 2.131km WSW of Rancho Palos Verdes, CAWed, Jun 3, 4:20 PM PDT · 16555 days ago · 5 km deep · 77 km away
8. 1.93km E of Colton, CAWed, Jun 3, 2:32 PM PDT · 16555 days ago · 11 km deep · 77 km away
9. 1.824km SW of Dana Point, CAWed, Jun 3, 4:54 AM PDT · 16555 days ago · 5 km deep · 93 km away
10. 2.127km WSW of Rancho Palos Verdes, CATue, Jun 2, 11:06 PM PDT · 16555 days ago · 5 km deep · 73 km away
11. 3.34km NW of Rancho Cucamonga, CATue, Jun 2, 10:29 PM PDT · 16556 days ago · 7 km deep · 47 km away
12. 1.933km N of Santa Barbara Is., CASun, May 31, 10:55 PM PDT · 16558 days ago · 6 km deep · 94 km away
13. 1.54km ESE of Running Springs, CASun, May 31, 12:35 PM PDT · 16558 days ago · 3 km deep · 97 km away
14. 2.11km SW of Paramount, CAFri, May 29, 6:39 AM PDT · 16560 days ago · 8 km deep · 28 km away
15. 2.01km NNW of West Hills, CAThu, May 28, 11:36 AM PDT · 16561 days ago · 3 km deep · 49 km away
16. 2.02km S of Lynwood, CATue, May 26, 3:07 AM PDT · 16563 days ago · 5 km deep · 25 km away
17. 2.58km NNW of Fontana, CAMon, May 25, 9:13 AM PDT · 16564 days ago · 5 km deep · 58 km away
18. 1.51km SSE of MacArthur Park, CASun, May 24, 4:57 AM PDT · 16565 days ago · 8 km deep · 17 km away
19. 1.51km SW of MacArthur Park, CASat, May 23, 1:39 PM PDT · 16566 days ago · 9 km deep · 18 km away
20. 2.41km ENE of Loma Linda, CAFri, May 22, 4:38 PM PDT · 16567 days ago · 16 km deep · 80 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci517236. Read Wed, Sep 30, 2026, 5:35 PM UTC.