M1.7 earthquake 1km NNE of Paramount, CA

Magnitude

1.7 (Mh), micro

Magnitude from

Southern California Seismic Network

Local time

Mon, Jul 18, 1983, 6:37 PM PDT

UTC

1983-07-19 01:37:13 UTC

Depth

0.7 km (0.4 mi), shallow

Epicenter

33.900° N, 118.152° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 1.1 km horizontally, 3.5 km in depth

Magnitude uncertainty

±0.18

Depth from

From location

Station coverage gap

142°

Stations used

12

• Paramount, CaliforniaPopulation 55,412. Forecast1 kmNE
• Downey, CaliforniaPopulation 114,219. Forecast5 kmSSW
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast19 kmSSE

After

1. 2.48km WSW of Malibu, CAMon, Jul 18, 8:19 PM PDT · 15783 days ago · 13 km deep · 69 km away
2. 2.316km SW of Malibu, CATue, Jul 19, 5:27 AM PDT · 15782 days ago · 12 km deep · 72 km away
3. 2.16km SSW of Devore, CATue, Jul 19, 8:05 AM PDT · 15782 days ago · 3 km deep · 74 km away
4. 1.63km NW of Fontana, CAThu, Jul 21, 4:20 AM PDT · 15780 days ago · 8 km deep · 66 km away
5. 1.62km SSE of Muscoy, CAFri, Jul 22, 9:45 PM PDT · 15779 days ago · 10 km deep · 79 km away
6. 1.621km S of Las Flores, CASun, Jul 24, 6:25 AM PDT · 15777 days ago · 13 km deep · 45 km away
7. 2.34km NNE of Fontana, CAMon, Jul 25, 12:53 PM PDT · 15776 days ago · 6 km deep · 70 km away
8. 1.83km ESE of Commerce, CATue, Jul 26, 5:12 AM PDT · 15775 days ago · 5 km deep · 10 km away
9. 2.024km SSE of San Pedro, CAWed, Jul 27, 10:02 PM PDT · 15774 days ago · 5 km deep · 41 km away
10. 1.74km SE of Placentia, CAThu, Jul 28, 5:12 AM PDT · 15773 days ago · 5 km deep · 29 km away
11. 1.645km SSW of San Clemente, CAFri, Jul 29, 9:22 AM PDT · 15772 days ago · 6 km deep · 95 km away
12. 2.02km WSW of Rolling Hills Estates, CAFri, Jul 29, 11:47 AM PDT · 15772 days ago · 7 km deep · 25 km away
13. 1.75km SE of Loma Linda, CASun, Jul 31, 2:45 PM PDT · 15770 days ago · 16 km deep · 86 km away
14. 3.04km NNE of Fontana, CAMon, Aug 1, 8:48 AM PDT · 15769 days ago · 2 km deep · 70 km away
15. 2.12km W of Baldwin Park, CAMon, Aug 1, 6:00 PM PDT · 15769 days ago · 14 km deep · 26 km away
16. 2.14km WNW of Willowbrook, CAMon, Aug 1, 11:54 PM PDT · 15768 days ago · 12 km deep · 13 km away
17. 2.29km WSW of Beaumont, CATue, Aug 2, 7:59 AM PDT · 15768 days ago · 16 km deep · 100 km away
18. 1.914km WNW of Malibu, CATue, Aug 2, 6:46 PM PDT · 15768 days ago · 10 km deep · 75 km away
19. 1.74km N of Fontana, CAWed, Aug 3, 11:04 AM PDT · 15767 days ago · 8 km deep · 69 km away
20. 2.214km WNW of Malibu, CAThu, Aug 4, 2:28 AM PDT · 15766 days ago · 9 km deep · 76 km away
21. 1.76km N of Moreno Valley, CAThu, Aug 4, 6:10 PM PDT · 15766 days ago · 14 km deep · 85 km away
22. 2.26km NNW of Malibu, CAFri, Aug 5, 12:11 PM PDT · 15765 days ago · 8 km deep · 66 km away
23. 2.44km NNE of Fontana, CASun, Aug 7, 4:30 PM PDT · 15763 days ago · 7 km deep · 71 km away
24. 1.93km ENE of Loma Linda, CATue, Aug 9, 4:27 AM PDT · 15761 days ago · 12 km deep · 86 km away
25. 2.626km NNW of Santa Barbara Is., CATue, Aug 9, 12:30 PM PDT · 15761 days ago · 6 km deep · 95 km away
26. 1.65km NW of Mira Loma, CATue, Aug 9, 9:30 PM PDT · 15761 days ago · 8 km deep · 57 km away
27. 2.58km WNW of Lake Hughes, CATue, Aug 16, 4:16 AM PDT · 15754 days ago · 9 km deep · 96 km away
28. 2.23km NNE of Fontana, CAWed, Aug 17, 7:29 AM PDT · 15753 days ago · 5 km deep · 70 km away
29. 2.07km SSW of Littlerock, CAWed, Aug 17, 1:55 PM PDT · 15753 days ago · 6 km deep · 64 km away
30. 1.87km SW of Littlerock, CAThu, Aug 18, 2:43 AM PDT · 15752 days ago · 6 km deep · 64 km away
31. 1.822km WSW of Rancho Palos Verdes, CASun, Aug 21, 9:25 AM PDT · 15749 days ago · 6 km deep · 49 km away
32. 1.76km ESE of San Juan Capistrano, CAMon, Aug 22, 6:01 PM PDT · 15748 days ago · 14 km deep · 68 km away
33. 2.13km NNE of Lytle Creek, CAMon, Aug 22, 8:28 PM PDT · 15748 days ago · 13 km deep · 75 km away
34. 1.71km NW of Castaic, CATue, Aug 23, 2:05 AM PDT · 15747 days ago · 5 km deep · 79 km away
35. 2.029km NNW of Santa Barbara Is., CATue, Aug 23, 4:22 AM PDT · 15747 days ago · 5 km deep · 100 km away
36. 2.14km NNE of Moreno Valley, CATue, Aug 23, 11:42 AM PDT · 15747 days ago · 12 km deep · 87 km away
37. 1.51km SSE of Redlands, CAThu, Aug 25, 11:38 PM PDT · 15744 days ago · 10 km deep · 91 km away
38. 2.67km NE of Santa Paula, CAFri, Aug 26, 1:06 PM PDT · 15744 days ago · 5 km deep · 95 km away
39. 1.61km N of Colton, CAFri, Aug 26, 2:05 PM PDT · 15744 days ago · 10 km deep · 80 km away
40. 2.11km ESE of Redlands, CAFri, Aug 26, 2:27 PM PDT · 15744 days ago · 9 km deep · 92 km away
41. 2.31km ESE of Redlands, CAFri, Aug 26, 2:39 PM PDT · 15744 days ago · 8 km deep · 92 km away
42. 2.22km SE of Redlands, CAFri, Aug 26, 2:40 PM PDT · 15744 days ago · 7 km deep · 92 km away
43. 1.81km ESE of Redlands, CAFri, Aug 26, 2:48 PM PDT · 15744 days ago · 10 km deep · 92 km away
44. 1.51km S of Temple City, CASat, Aug 27, 6:41 PM PDT · 15743 days ago · 5 km deep · 24 km away
45. 1.99km ENE of Santa Clarita, CASun, Aug 28, 11:44 PM PDT · 15741 days ago · 7 km deep · 65 km away
46. 2.110km E of Yorba Linda, CAMon, Aug 29, 1:33 PM PDT · 15741 days ago · 5 km deep · 42 km away
47. 1.66km E of Vincent, CAFri, Sep 2, 7:43 AM PDT · 15737 days ago · 10 km deep · 67 km away
48. 1.65km ESE of Oak Park, CAFri, Sep 2, 8:44 AM PDT · 15737 days ago · 7 km deep · 59 km away
49. 1.85km NNW of Santa Monica, CASat, Sep 3, 4:41 AM PDT · 15736 days ago · 13 km deep · 37 km away
50. 2.618km SSW of San Pedro, CASun, Sep 4, 2:22 PM PDT · 15735 days ago · 5 km deep · 40 km away
51. 1.62km NW of Loma Linda, CATue, Sep 6, 6:28 PM PDT · 15733 days ago · 11 km deep · 83 km away
52. 2.08km NNE of Nuevo, CATue, Sep 6, 10:46 PM PDT · 15732 days ago · 9 km deep · 96 km away
53. 1.514km WNW of Malibu, CAWed, Sep 7, 11:07 AM PDT · 15732 days ago · 11 km deep · 76 km away
54. 1.93km NNW of Fontana, CAFri, Sep 9, 12:56 PM PDT · 15730 days ago · 9 km deep · 68 km away
55. 1.721km SSE of Port Hueneme, CASat, Sep 10, 10:17 AM PDT · 15729 days ago · 8 km deep · 89 km away
56. 3.70km E of Loma Linda, CAMon, Sep 12, 5:08 AM PDT · 15727 days ago · 14 km deep · 84 km away
57. 1.66km ENE of Moreno Valley, CAMon, Sep 12, 6:47 AM PDT · 15727 days ago · 15 km deep · 91 km away
58. 2.11km S of San Bernardino, CAMon, Sep 12, 10:36 AM PDT · 15727 days ago · 4 km deep · 83 km away
59. 1.81km SE of San Bernardino, CAMon, Sep 12, 10:36 AM PDT · 15727 days ago · 3 km deep · 83 km away
60. 2.214km SSE of Malibu, CATue, Sep 13, 2:00 AM PDT · 15726 days ago · 11 km deep · 55 km away

The first 60 of 65.

Before

1. 1.92km WNW of Devore, CAFri, Jul 15, 2:05 AM PDT · 15786 days ago · 11 km deep · 77 km away
2. 3.01km E of Silver Lake, CAThu, Jul 14, 7:59 AM PDT · 15787 days ago · 8 km deep · 24 km away
3. 1.618km ENE of Santa Barbara Is., CAWed, Jul 13, 5:07 PM PDT · 15788 days ago · 6 km deep · 79 km away
4. 2.47km SW of Huntington Beach, CAWed, Jul 13, 4:53 PM PDT · 15788 days ago · 5 km deep · 30 km away
5. 1.53km SE of Elizabeth Lake, CAWed, Jul 13, 1:27 PM PDT · 15788 days ago · -1 km deep · 85 km away
6. 1.83km S of Santa Clarita, CATue, Jul 12, 10:11 AM PDT · 15789 days ago · 12 km deep · 63 km away
7. 2.023km NNE of Avalon, CATue, Jul 12, 6:28 AM PDT · 15789 days ago · 0 km deep · 41 km away
8. 1.96km S of Redlands, CAFri, Jul 8, 9:56 AM PDT · 15793 days ago · 10 km deep · 89 km away
9. 2.034km SE of Avalon, CAFri, Jul 8, 5:50 AM PDT · 15793 days ago · 6 km deep · 87 km away
10. 1.64km NNW of Santa Clarita, CAWed, Jul 6, 1:07 AM PDT · 15795 days ago · 9 km deep · 70 km away
11. 2.14km E of Brea, CAWed, Jul 6, 12:48 AM PDT · 15795 days ago · 2 km deep · 27 km away
12. 1.85km ENE of Brea, CATue, Jul 5, 10:57 PM PDT · 15795 days ago · 5 km deep · 28 km away
13. 2.63km NNE of Fontana, CAMon, Jul 4, 7:50 PM PDT · 15797 days ago · 3 km deep · 70 km away
14. 2.541km SSW of San Clemente, CAFri, Jul 1, 7:00 PM PDT · 15800 days ago · 6 km deep · 93 km away
15. 2.024km NNE of Avalon, CAWed, Jun 29, 7:42 AM PDT · 15802 days ago · 6 km deep · 42 km away
16. 1.87km NNE of Moreno Valley, CAWed, Jun 29, 3:22 AM PDT · 15802 days ago · 10 km deep · 88 km away
17. 1.87km NNE of Moreno Valley, CATue, Jun 28, 12:36 AM PDT · 15803 days ago · 9 km deep · 88 km away
18. 1.91km ENE of Muscoy, CASun, Jun 26, 5:57 AM PDT · 15805 days ago · 5 km deep · 81 km away
19. 1.63km SE of Loma Linda, CASat, Jun 25, 4:15 PM PDT · 15806 days ago · 14 km deep · 85 km away
20. 1.86km NNE of Moreno Valley, CASat, Jun 25, 6:11 AM PDT · 15806 days ago · 5 km deep · 88 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci10692. Read Sat, Oct 3, 2026, 5:16 PM UTC.