M1.6 earthquake 11km S of Montecito, CA

Magnitude

1.6 (mh), micro

Local time

Mon, Mar 16, 1981, 4:24 AM PST

UTC

1981-03-16 12:24:08 UTC

Depth

4.8 km (3.0 mi), shallow

Epicenter

34.334° N, 119.625° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 2.8 km horizontally, 19.0 km in depth

Magnitude uncertainty

±0.12

Depth from

From location

Station coverage gap

255°, poorly surrounded by stations

Stations used

6

• Summerland, CaliforniaPopulation 1,448. Forecast10 kmSSW
• Santa Barbara, CaliforniaPopulation 91,842. Forecast12 kmSE
• Oxnard, CaliforniaPopulation 207,254. Forecast44 kmWNW
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast131 kmWNW

After

1. 1.74km SW of Valencia, CAWed, Mar 18, 2:16 AM PST · 16633 days ago · 2 km deep · 94 km away
2. 1.75km NE of Oxnard, CAWed, Mar 18, 6:06 PM PST · 16632 days ago · 6 km deep · 45 km away
3. 1.823km SW of Maricopa, CAFri, Mar 20, 3:02 AM PST · 16631 days ago · 4 km deep · 63 km away
4. 2.05km NW of Castaic, CAFri, Mar 20, 6:38 AM PST · 16630 days ago · 5 km deep · 91 km away
5. 2.141km S of Santa Rosa Is., CAWed, Mar 25, 5:43 AM PST · 16625 days ago · 6 km deep · 96 km away
6. 2.08km SSW of Malibu Beach, CAFri, Mar 27, 4:57 PM PST · 16623 days ago · 15 km deep · 92 km away
7. 2.316km WNW of Malibu, CATue, Mar 31, 3:36 AM PST · 16619 days ago · 5 km deep · 68 km away
8. 1.54km NE of Thousand Oaks, CASat, Apr 4, 2:05 PM PST · 16615 days ago · 17 km deep · 73 km away
9. 2.12km NE of Thousand Oaks, CASat, Apr 4, 2:05 PM PST · 16615 days ago · 24 km deep · 72 km away
10. 1.517km S of Santa Barbara, CAThu, Apr 9, 11:50 AM PST · 16610 days ago · -1 km deep · 8 km away
11. 2.24km S of Santa Maria, CAFri, Apr 10, 6:24 AM PST · 16609 days ago · -1 km deep · 98 km away
12. 1.712km SW of Port Hueneme, CASun, Apr 12, 8:33 PM PST · 16607 days ago · 20 km deep · 43 km away
13. 1.512km NW of Fillmore, CATue, Apr 14, 5:23 PM PST · 16605 days ago · 4 km deep · 57 km away
14. 2.018km N of Pine Mountain Club, CATue, Apr 14, 8:29 PM PST · 16605 days ago · 1 km deep · 88 km away
15. 2.122km N of Los Olivos, CAWed, Apr 15, 11:01 PM PST · 16604 days ago · 1 km deep · 72 km away
16. 1.511km NW of Fillmore, CAWed, Apr 22, 1:22 AM PST · 16598 days ago · 1 km deep · 59 km away
17. 2.56km NW of Santa Cruz Is. (E end), CAFri, Apr 24, 11:53 AM PST · 16595 days ago · 17 km deep · 29 km away
18. 2.25km NW of Santa Cruz Is. (E end), CAFri, Apr 24, 11:56 AM PST · 16595 days ago · 21 km deep · 31 km away
19. 2.019km NW of Grapevine, CASat, Apr 25, 12:09 AM PST · 16595 days ago · -1 km deep · 94 km away
20. 2.81km S of Vandenberg Air Force Base, CASat, Apr 25, 4:13 AM PST · 16594 days ago · 8 km deep · 94 km away
21. 3.07km SSW of Solvang, CATue, Apr 28, 8:55 AM PDT · 16591 days ago · -1 km deep · 55 km away
22. 1.731km NNE of Santa Barbara Is., CATue, Apr 28, 12:32 PM PDT · 16591 days ago · 6 km deep · 88 km away
23. 2.020km SSE of Carpinteria, CAWed, Apr 29, 11:54 AM PDT · 16590 days ago · 12 km deep · 20 km away
24. 1.720km SSE of Carpinteria, CAWed, Apr 29, 12:15 PM PDT · 16590 days ago · 15 km deep · 19 km away
25. 2.028km S of Malibu, CAFri, May 1, 12:14 PM PDT · 16588 days ago · 6 km deep · 96 km away
26. 2.51km WSW of Port Hueneme, CAMon, May 4, 4:10 PM PDT · 16585 days ago · 10 km deep · 44 km away
27. 1.913km SSE of Malibu Beach, CAThu, May 7, 3:26 AM PDT · 16583 days ago · 13 km deep · 100 km away
28. 1.65km NW of Frazier Park, CASun, May 10, 12:01 AM PDT · 16580 days ago · 1 km deep · 83 km away
29. 1.85km SSE of Santa Maria, CASun, May 10, 10:39 AM PDT · 16579 days ago · 5 km deep · 96 km away

Before

1. 1.614km SSE of Santa Barbara, CAMon, Mar 16, 3:52 AM PST · 16634 days ago · 5 km deep · 3 km away
2. 1.912km SSW of Santa Barbara, CAWed, Mar 11, 12:02 PM PST · 16639 days ago · 1 km deep · 11 km away
3. 1.715km WSW of Isla Vista, CATue, Mar 10, 9:02 PM PST · 16640 days ago · 5 km deep · 35 km away
4. 1.815km S of Camarillo, CATue, Mar 10, 6:57 AM PST · 16640 days ago · 16 km deep · 61 km away
5. 2.47km SW of Santa Clarita, CASat, Mar 7, 4:16 PM PST · 16643 days ago · -1 km deep · 97 km away
6. 1.613km WNW of Malibu, CAFri, Mar 6, 10:35 PM PST · 16644 days ago · 10 km deep · 70 km away
7. 1.621km NNW of Santa Cruz Is. (NW end), CAThu, Mar 5, 5:16 PM PST · 16645 days ago · 5 km deep · 41 km away
8. 1.723km NW of Grapevine, CAMon, Mar 2, 5:32 AM PST · 16648 days ago · 5 km deep · 95 km away
9. 2.919km WSW of Maricopa, CASat, Feb 28, 7:02 PM PST · 16650 days ago · -1 km deep · 72 km away
10. 1.719km NW of Grapevine, CASat, Feb 28, 1:04 PM PST · 16650 days ago · 10 km deep · 94 km away
11. 3.42km SSE of Woodland Hills, CAFri, Feb 27, 7:11 AM PST · 16651 days ago · 13 km deep · 97 km away
12. 1.718km S of Port Hueneme, CAThu, Feb 26, 2:51 PM PST · 16652 days ago · 1 km deep · 53 km away
13. 2.120km S of Santa Barbara, CAWed, Feb 25, 12:28 AM PST · 16654 days ago · 10 km deep · 10 km away
14. 2.019km S of Santa Barbara, CATue, Feb 24, 10:18 PM PST · 16654 days ago · 2 km deep · 9 km away
15. 1.617km S of Santa Barbara, CATue, Feb 24, 7:40 PM PST · 16654 days ago · 0 km deep · 8 km away
16. 1.817km S of Santa Barbara, CATue, Feb 24, 7:11 PM PST · 16654 days ago · 5 km deep · 9 km away
17. 2.39km SSE of Malibu Beach, CATue, Feb 24, 12:49 PM PST · 16654 days ago · 4 km deep · 98 km away
18. 1.915km S of Santa Barbara, CASun, Feb 22, 1:24 AM PST · 16657 days ago · 12 km deep · 8 km away
19. 1.915km E of Santa Cruz Is. (NW end), CASun, Feb 22, 12:04 AM PST · 16657 days ago · 5 km deep · 32 km away
20. 2.120km S of Santa Barbara, CASat, Feb 21, 10:54 PM PST · 16657 days ago · 8 km deep · 10 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci12262019. Read Wed, Sep 30, 2026, 10:44 PM UTC.