M1.7 earthquake 5km NE of Oxnard, CA

Magnitude

1.7 (mh), micro

Local time

Wed, Mar 18, 1981, 6:06 PM PST

UTC

1981-03-19 02:06:23 UTC

Depth

5.6 km (3.5 mi), shallow

Epicenter

34.230° N, 119.150° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 3.7 km horizontally, 31.6 km in depth

Magnitude uncertainty

±0.60

Depth from

Operator assigned

Station coverage gap

284°, poorly surrounded by stations

Stations used

2

• El Rio, CaliforniaPopulation 7,198. Forecast1 kmESE
• Oxnard, CaliforniaPopulation 207,254. Forecast4 kmNE
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast86 kmWNW

After

1. 1.823km SW of Maricopa, CAFri, Mar 20, 3:02 AM PST · 16629 days ago · 4 km deep · 82 km away
2. 2.05km NW of Castaic, CAFri, Mar 20, 6:38 AM PST · 16629 days ago · 5 km deep · 55 km away
3. 2.14km NNW of Vincent, CAMon, Mar 23, 8:06 AM PST · 16626 days ago · 0 km deep · 100 km away
4. 2.08km SSW of Malibu Beach, CAFri, Mar 27, 4:57 PM PST · 16622 days ago · 15 km deep · 49 km away
5. 2.316km WNW of Malibu, CATue, Mar 31, 3:36 AM PST · 16618 days ago · 5 km deep · 25 km away
6. 1.68km NE of Santa Clarita, CAWed, Apr 1, 8:06 AM PST · 16617 days ago · 14 km deep · 70 km away
7. 2.012km SW of Rancho Palos Verdes, CAThu, Apr 2, 9:00 AM PST · 16616 days ago · 6 km deep · 87 km away
8. 1.54km NE of Thousand Oaks, CASat, Apr 4, 2:05 PM PST · 16614 days ago · 17 km deep · 28 km away
9. 2.12km NE of Thousand Oaks, CASat, Apr 4, 2:05 PM PST · 16614 days ago · 24 km deep · 27 km away
10. 1.710km W of Palos Verdes Estates, CAWed, Apr 8, 6:10 PM PST · 16610 days ago · 10 km deep · 77 km away
11. 1.517km S of Santa Barbara, CAThu, Apr 9, 11:50 AM PST · 16609 days ago · -1 km deep · 48 km away
12. 1.712km SW of Port Hueneme, CASun, Apr 12, 8:33 PM PST · 16606 days ago · 20 km deep · 21 km away
13. 1.512km NW of Fillmore, CATue, Apr 14, 5:23 PM PST · 16604 days ago · 4 km deep · 29 km away
14. 2.018km N of Pine Mountain Club, CATue, Apr 14, 8:29 PM PST · 16604 days ago · 1 km deep · 86 km away
15. 1.88km W of El Segundo, CATue, Apr 21, 4:44 AM PST · 16597 days ago · 10 km deep · 69 km away
16. 1.719km SSE of Arvin, CATue, Apr 21, 9:06 PM PST · 16597 days ago · 9 km deep · 100 km away
17. 1.511km NW of Fillmore, CAWed, Apr 22, 1:22 AM PST · 16596 days ago · 1 km deep · 31 km away
18. 1.619km SSW of Lamont, CAWed, Apr 22, 9:24 AM PST · 16596 days ago · 2 km deep · 98 km away
19. 2.56km NW of Santa Cruz Is. (E end), CAFri, Apr 24, 11:53 AM PST · 16594 days ago · 17 km deep · 41 km away
20. 2.25km NW of Santa Cruz Is. (E end), CAFri, Apr 24, 11:56 AM PST · 16594 days ago · 21 km deep · 43 km away
21. 2.019km NW of Grapevine, CASat, Apr 25, 12:09 AM PST · 16593 days ago · -1 km deep · 92 km away
22. 1.54km N of Huntington Park, CAMon, Apr 27, 1:47 PM PDT · 16591 days ago · 11 km deep · 88 km away
23. 3.07km SSW of Solvang, CATue, Apr 28, 8:55 AM PDT · 16590 days ago · -1 km deep · 99 km away
24. 1.731km NNE of Santa Barbara Is., CATue, Apr 28, 12:32 PM PDT · 16590 days ago · 6 km deep · 56 km away
25. 1.55km ESE of Santa Clarita, CAWed, Apr 29, 1:18 AM PDT · 16589 days ago · 15 km deep · 66 km away
26. 2.020km SSE of Carpinteria, CAWed, Apr 29, 11:54 AM PDT · 16589 days ago · 12 km deep · 28 km away
27. 1.720km SSE of Carpinteria, CAWed, Apr 29, 12:15 PM PDT · 16589 days ago · 15 km deep · 28 km away
28. 1.79km NNE of Grapevine, CAWed, Apr 29, 11:51 PM PDT · 16589 days ago · 13 km deep · 91 km away
29. 1.61km SE of MacArthur Park, CAFri, May 1, 4:18 AM PDT · 16587 days ago · 10 km deep · 84 km away
30. 2.028km S of Malibu, CAFri, May 1, 12:14 PM PDT · 16587 days ago · 6 km deep · 59 km away
31. 1.72km SW of Los Angeles, CASat, May 2, 3:40 AM PDT · 16586 days ago · 10 km deep · 84 km away
32. 2.15km N of Sunland, CASun, May 3, 11:44 PM PDT · 16585 days ago · 3 km deep · 78 km away
33. 2.51km WSW of Port Hueneme, CAMon, May 4, 4:10 PM PDT · 16584 days ago · 10 km deep · 11 km away
34. 1.913km SSE of Malibu Beach, CAThu, May 7, 3:26 AM PDT · 16581 days ago · 13 km deep · 57 km away
35. 2.13km NNW of Maywood, CAFri, May 8, 1:03 PM PDT · 16580 days ago · 14 km deep · 91 km away
36. 2.511km E of Santa Clarita, CAFri, May 8, 9:38 PM PDT · 16580 days ago · 5 km deep · 72 km away
37. 1.65km NW of Frazier Park, CASun, May 10, 12:01 AM PDT · 16579 days ago · 1 km deep · 72 km away
38. 2.09km W of Grapevine, CAFri, May 15, 8:41 PM PDT · 16573 days ago · 11 km deep · 81 km away
39. 2.23km SSW of Los Angeles, CASat, May 16, 6:56 PM PDT · 16572 days ago · 4 km deep · 85 km away

Before

1. 1.74km SW of Valencia, CAWed, Mar 18, 2:16 AM PST · 16631 days ago · 2 km deep · 55 km away
2. 1.822km SSW of Rancho Palos Verdes, CAMon, Mar 16, 11:15 PM PST · 16633 days ago · 5 km deep · 94 km away
3. 1.611km S of Montecito, CAMon, Mar 16, 4:24 AM PST · 16633 days ago · 5 km deep · 45 km away
4. 1.614km SSE of Santa Barbara, CAMon, Mar 16, 3:52 AM PST · 16633 days ago · 5 km deep · 46 km away
5. 1.912km SSW of Santa Barbara, CAWed, Mar 11, 12:02 PM PST · 16638 days ago · 1 km deep · 55 km away
6. 1.715km WSW of Isla Vista, CATue, Mar 10, 9:02 PM PST · 16639 days ago · 5 km deep · 80 km away
7. 1.815km S of Camarillo, CATue, Mar 10, 6:57 AM PST · 16639 days ago · 16 km deep · 20 km away
8. 1.718km ENE of Grapevine, CATue, Mar 10, 12:43 AM PST · 16639 days ago · 3 km deep · 92 km away
9. 1.64km SSW of Culver City, CATue, Mar 10, 12:20 AM PST · 16639 days ago · 5 km deep · 73 km away
10. 2.02km WNW of Compton, CAMon, Mar 9, 7:24 PM PST · 16640 days ago · 14 km deep · 92 km away
11. 2.47km SW of Santa Clarita, CASat, Mar 7, 4:16 PM PST · 16642 days ago · -1 km deep · 56 km away
12. 1.63km W of Inglewood, CASat, Mar 7, 1:51 PM PST · 16642 days ago · 3 km deep · 77 km away
13. 2.522km SW of Lamont, CASat, Mar 7, 9:31 AM PST · 16642 days ago · -1 km deep · 99 km away
14. 1.613km WNW of Malibu, CAFri, Mar 6, 10:35 PM PST · 16643 days ago · 10 km deep · 28 km away
15. 1.612km SSE of Rancho Palos Verdes, CAFri, Mar 6, 6:33 AM PST · 16643 days ago · 5 km deep · 99 km away
16. 1.621km NNW of Santa Cruz Is. (NW end), CAThu, Mar 5, 5:16 PM PST · 16644 days ago · 5 km deep · 83 km away
17. 1.723km NW of Grapevine, CAMon, Mar 2, 5:32 AM PST · 16647 days ago · 5 km deep · 95 km away
18. 2.04km SE of Santa Clarita, CASun, Mar 1, 10:28 AM PST · 16648 days ago · 13 km deep · 64 km away
19. 2.919km WSW of Maricopa, CASat, Feb 28, 7:02 PM PST · 16649 days ago · -1 km deep · 92 km away
20. 1.719km NW of Grapevine, CASat, Feb 28, 1:04 PM PST · 16649 days ago · 10 km deep · 92 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci12262231. Read Tue, Sep 29, 2026, 7:04 PM UTC.