M1.7 earthquake 8km NNE of Pacoima, CA

Magnitude

1.7 (Mh), micro

Magnitude from

Southern California Seismic Network

Local time

Wed, May 9, 1973, 7:15 PM PDT

UTC

1973-05-10 02:15:47 UTC

Depth

5.2 km (3.2 mi), shallow

Epicenter

34.345° N, 118.402° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Depth from

From location

• Sylmar, CaliforniaPopulation 79,614. Forecast6 kmNE
• Santa Clarita, CaliforniaPopulation 182,371. Forecast14 kmESE
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast36 kmNNW

After

1. 1.76km WNW of Mira Loma, CAThu, May 10, 6:51 AM PDT · 19503 days ago · 6 km deep · 85 km away
2. 2.37km SSW of Santa Monica, CAThu, May 10, 7:35 PM PDT · 19503 days ago · 6 km deep · 44 km away
3. 2.619km NNW of Avalon, CAFri, May 11, 7:01 AM PDT · 19502 days ago · 6 km deep · 93 km away
4. 1.824km S of Port Hueneme, CAFri, May 11, 9:30 AM PDT · 19502 days ago · 6 km deep · 89 km away
5. 1.710km E of Santa Clarita, CAFri, May 11, 4:26 PM PDT · 19502 days ago · 13 km deep · 10 km away
6. 1.710km E of Santa Clarita, CAFri, May 11, 9:41 PM PDT · 19502 days ago · 12 km deep · 8 km away
7. 1.713km SSE of Malibu Beach, CASat, May 12, 5:54 AM PDT · 19501 days ago · 5 km deep · 52 km away
8. 3.029km SW of Malibu, CASat, May 12, 2:55 PM PDT · 19501 days ago · 6 km deep · 82 km away
9. 1.710km NNE of Pacoima, CASat, May 12, 6:22 PM PDT · 19501 days ago · 7 km deep · 3 km away
10. 2.55km WSW of Florence-Graham, CASat, May 12, 6:52 PM PDT · 19501 days ago · 7 km deep · 44 km away
11. 1.98km NW of Rancho Cucamonga, CASat, May 12, 7:29 PM PDT · 19501 days ago · 0 km deep · 72 km away
12. 2.316km W of Malibu, CASun, May 13, 5:05 PM PDT · 19500 days ago · 6 km deep · 64 km away
13. 1.71km N of La Crescenta-Montrose, CAMon, May 14, 2:59 AM PDT · 19499 days ago · 7 km deep · 19 km away
14. 2.32km S of Los Angeles, CAMon, May 14, 7:21 PM PDT · 19499 days ago · 0 km deep · 37 km away
15. 1.710km N of Lake View Terrace, CAMon, May 14, 10:38 PM PDT · 19499 days ago · 5 km deep · 4 km away
16. 1.76km NNW of Pacoima, CAWed, May 16, 7:11 AM PDT · 19497 days ago · 4 km deep · 5 km away
17. 1.710km E of Santa Clarita, CASat, May 19, 6:01 AM PDT · 19494 days ago · 12 km deep · 10 km away
18. 1.79km N of Lake View Terrace, CASun, May 20, 6:39 AM PDT · 19493 days ago · 5 km deep · 2 km away
19. 1.710km N of Pacoima, CASun, May 20, 6:43 AM PDT · 19493 days ago · 8 km deep · 3 km away
20. 1.72km WSW of Lennox, CASun, May 20, 11:08 AM PDT · 19493 days ago · 5 km deep · 46 km away
21. 1.79km N of Lake View Terrace, CASun, May 20, 1:46 PM PDT · 19493 days ago · 6 km deep · 5 km away
22. 1.74km NNE of Lake View Terrace, CAMon, May 21, 4:41 PM PDT · 19492 days ago · 7 km deep · 7 km away
23. 2.34km N of Foothill Ranch, CATue, May 22, 5:13 AM PDT · 19491 days ago · 6 km deep · 97 km away
24. 1.77km NE of North Tustin, CATue, May 22, 5:24 AM PDT · 19491 days ago · 3 km deep · 86 km away
25. 1.78km NNE of Lake View Terrace, CATue, May 22, 6:11 AM PDT · 19491 days ago · 6 km deep · 6 km away
26. 2.32km N of Lake View Terrace, CATue, May 22, 7:41 PM PDT · 19491 days ago · 5 km deep · 7 km away
27. 1.711km N of Lake View Terrace, CAWed, May 23, 2:30 AM PDT · 19490 days ago · 8 km deep · 4 km away
28. 1.78km N of Sunland, CAThu, May 24, 2:22 AM PDT · 19489 days ago · 8 km deep · 9 km away
29. 2.21km SE of Los Angeles, CAThu, May 24, 2:59 AM PDT · 19489 days ago · 0 km deep · 36 km away
30. 1.710km E of Santa Clarita, CAThu, May 24, 7:08 PM PDT · 19489 days ago · 10 km deep · 7 km away
31. 2.412km SSW of Agua Dulce, CAFri, May 25, 11:07 AM PDT · 19488 days ago · 6 km deep · 6 km away
32. 1.74km SE of Ontario, CAFri, May 25, 3:56 PM PDT · 19488 days ago · 7 km deep · 82 km away
33. 1.77km N of Lake View Terrace, CAWed, May 30, 10:53 AM PDT · 19483 days ago · 2 km deep · 3 km away
34. 2.22km SSW of Fontana, CAWed, May 30, 12:53 PM PDT · 19483 days ago · 10 km deep · 91 km away
35. 1.79km SW of Agua Dulce, CAThu, May 31, 12:24 AM PDT · 19483 days ago · 21 km deep · 11 km away
36. 1.72km W of Willowbrook, CAFri, Jun 1, 11:48 PM PDT · 19481 days ago · 10 km deep · 49 km away
37. 1.79km WSW of Agua Dulce, CASat, Jun 2, 2:06 AM PDT · 19480 days ago · 14 km deep · 14 km away
38. 1.79km N of Lake View Terrace, CASun, Jun 3, 10:06 AM PDT · 19479 days ago · 5 km deep · 3 km away
39. 2.73km SSW of Valencia, CAMon, Jun 4, 10:09 PM PDT · 19478 days ago · 7 km deep · 19 km away
40. 1.711km ESE of Santa Clarita, CATue, Jun 5, 4:55 AM PDT · 19477 days ago · 12 km deep · 5 km away
41. 2.55km ESE of Ventura, CATue, Jun 5, 8:14 PM PDT · 19477 days ago · 6 km deep · 71 km away
42. 1.72km NE of Costa Mesa, CATue, Jun 5, 9:19 PM PDT · 19477 days ago · 9 km deep · 87 km away
43. 2.26km WSW of Devore, CATue, Jun 5, 9:31 PM PDT · 19477 days ago · 2 km deep · 87 km away
44. 1.78km NNE of Pacoima, CAWed, Jun 6, 6:18 PM PDT · 19476 days ago · 4 km deep · 0 km away
45. 1.72km NNW of Villa Park, CAThu, Jun 7, 12:23 AM PDT · 19476 days ago · 7 km deep · 78 km away
46. 2.17km SW of Santa Monica, CAThu, Jun 7, 1:48 AM PDT · 19475 days ago · 6 km deep · 43 km away
47. 2.22km NNE of El Segundo, CAThu, Jun 7, 3:38 AM PDT · 19475 days ago · 6 km deep · 46 km away
48. 1.77km NNW of Lake View Terrace, CAThu, Jun 7, 6:22 AM PDT · 19475 days ago · 2 km deep · 2 km away
49. 2.25km E of Villa Park, CAThu, Jun 7, 4:04 PM PDT · 19475 days ago · 6 km deep · 84 km away
50. 1.710km N of Lake View Terrace, CAThu, Jun 7, 10:58 PM PDT · 19475 days ago · 5 km deep · 3 km away
51. 1.710km NNE of Pacoima, CASat, Jun 9, 12:20 AM PDT · 19474 days ago · 8 km deep · 3 km away
52. 1.74km NW of Huntington Park, CASat, Jun 9, 4:26 AM PDT · 19473 days ago · 6 km deep · 40 km away
53. 2.817km NNW of Grapevine, CASat, Jun 9, 8:54 PM PDT · 19473 days ago · 6 km deep · 99 km away
54. 1.73km SE of Valencia, CASun, Jun 10, 12:19 AM PDT · 19473 days ago · 6 km deep · 16 km away
55. 1.710km E of Santa Clarita, CASun, Jun 10, 1:41 AM PDT · 19472 days ago · 10 km deep · 7 km away
56. 1.75km S of Piru, CAMon, Jun 11, 7:49 PM PDT · 19471 days ago · 5 km deep · 37 km away
57. 1.71km SSE of Los Alamitos, CAThu, Jun 14, 8:46 PM PDT · 19468 days ago · 5 km deep · 69 km away
58. 1.77km NNE of Lake View Terrace, CAThu, Jun 14, 9:40 PM PDT · 19468 days ago · 5 km deep · 8 km away
59. 2.56km WNW of Mira Loma, CAFri, Jun 15, 12:42 PM PDT · 19467 days ago · 3 km deep · 84 km away
60. 1.711km N of Lake View Terrace, CAFri, Jun 15, 10:35 PM PDT · 19467 days ago · 8 km deep · 5 km away

The first 60 of 97.

Before

1. 1.76km E of San Pedro, CATue, May 8, 8:35 PM PDT · 19505 days ago · 0 km deep · 70 km away
2. 2.26km SE of Santa Clarita, CATue, May 8, 1:47 PM PDT · 19505 days ago · 0 km deep · 6 km away
3. 2.46km SSE of Santa Clarita, CATue, May 8, 1:39 PM PDT · 19505 days ago · 0 km deep · 7 km away
4. 1.78km ESE of Santa Clarita, CATue, May 8, 1:38 PM PDT · 19505 days ago · 9 km deep · 6 km away
5. 2.98km SE of Santa Clarita, CATue, May 8, 1:37 PM PDT · 19505 days ago · 7 km deep · 4 km away
6. 2.48km ESE of Santa Clarita, CATue, May 8, 12:05 PM PDT · 19505 days ago · 0 km deep · 5 km away
7. 2.56km NNE of Fillmore, CATue, May 8, 7:00 AM PDT · 19505 days ago · 6 km deep · 46 km away
8. 1.73km SSE of Ontario, CATue, May 8, 1:08 AM PDT · 19505 days ago · 6 km deep · 81 km away
9. 1.712km SSW of Agua Dulce, CAMon, May 7, 6:29 AM PDT · 19506 days ago · 7 km deep · 6 km away
10. 1.711km NNE of Pacoima, CASun, May 6, 7:35 AM PDT · 19507 days ago · 8 km deep · 3 km away
11. 1.76km ENE of Santa Clarita, CASun, May 6, 3:23 AM PDT · 19507 days ago · 8 km deep · 12 km away
12. 1.79km E of Santa Clarita, CAFri, May 4, 10:18 PM PDT · 19509 days ago · 12 km deep · 9 km away
13. 2.310km E of Santa Clarita, CAThu, May 3, 12:43 PM PDT · 19510 days ago · 14 km deep · 7 km away
14. 1.72km WSW of Fountain Valley, CAThu, May 3, 8:58 AM PDT · 19510 days ago · 9 km deep · 82 km away
15. 1.77km N of Lake View Terrace, CAWed, May 2, 8:05 AM PDT · 19511 days ago · 2 km deep · 3 km away
16. 1.76km NE of Valencia, CAWed, May 2, 4:26 AM PDT · 19511 days ago · 5 km deep · 20 km away
17. 1.77km N of Sunland, CAWed, May 2, 12:16 AM PDT · 19512 days ago · 9 km deep · 11 km away
18. 1.78km NE of Sunland, CATue, May 1, 6:33 PM PDT · 19512 days ago · 6 km deep · 16 km away
19. 1.74km NNE of Pacoima, CATue, May 1, 4:31 PM PDT · 19512 days ago · 5 km deep · 4 km away
20. 1.75km NNE of Fontana, CASun, Apr 29, 1:38 PM PDT · 19514 days ago · 9 km deep · 91 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci12317907. Read Fri, Oct 2, 2026, 7:17 PM UTC.