M1.7 earthquake 7km S of Montecito, CA

Magnitude

1.7 (ML, local (Richter)), micro

Magnitude from

Southern California Seismic Network

Local time

Mon, Apr 28, 1980, 12:33 PM PDT

UTC

1980-04-28 19:33:26 UTC

Depth

7.1 km (4.4 mi), shallow

Epicenter

34.371° N, 119.629° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 1.4 km horizontally, 3.1 km in depth

Magnitude uncertainty

±0.02

Depth from

From location

Station coverage gap

118°

Stations used

16

• Summerland, CaliforniaPopulation 1,448. Forecast6 kmSSW
• Santa Barbara, CaliforniaPopulation 91,842. Forecast8 kmSE
• Oxnard, CaliforniaPopulation 207,254. Forecast46 kmWNW
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast132 kmWNW

After

1. 1.72km SW of Valencia, CAMon, Apr 28, 1:08 PM PDT · 16958 days ago · 6 km deep · 95 km away
2. 2.110km S of Malibu Beach, CAMon, Apr 28, 10:42 PM PDT · 16957 days ago · 11 km deep · 100 km away
3. 2.34km W of Fillmore, CATue, Apr 29, 2:22 PM PDT · 16957 days ago · 19 km deep · 61 km away
4. 1.63km SSE of Valencia, CAWed, Apr 30, 5:10 AM PDT · 16956 days ago · 14 km deep · 99 km away
5. 2.09km S of Malibu Beach, CAWed, Apr 30, 6:54 AM PDT · 16956 days ago · 8 km deep · 97 km away
6. 1.515km SSE of Isla Vista, CASun, May 4, 4:15 AM PDT · 16952 days ago · 0 km deep · 20 km away
7. 2.124km WSW of Pine Mountain Club, CAMon, May 5, 2:42 PM PDT · 16951 days ago · 3 km deep · 52 km away
8. 2.010km WNW of Frazier Park, CAMon, May 5, 4:03 PM PDT · 16951 days ago · 9 km deep · 78 km away
9. 2.710km N of Fillmore, CAMon, May 5, 4:10 PM PDT · 16951 days ago · 8 km deep · 66 km away
10. 2.220km SSW of Port Hueneme, CATue, May 13, 4:38 PM PDT · 16943 days ago · 5 km deep · 56 km away
11. 2.233km NNE of Montecito, CAFri, May 16, 8:39 PM PDT · 16940 days ago · 6 km deep · 39 km away
12. 2.38km SSW of Malibu Beach, CAFri, May 16, 10:39 PM PDT · 16939 days ago · 15 km deep · 95 km away
13. 3.916km NW of Grapevine, CAMon, May 19, 5:50 PM PDT · 16937 days ago · 0 km deep · 94 km away
14. 3.117km NW of Grapevine, CAMon, May 19, 6:32 PM PDT · 16937 days ago · 1 km deep · 93 km away
15. 2.030km SSW of Solvang, CATue, May 20, 11:04 PM PDT · 16935 days ago · 6 km deep · 57 km away
16. 2.233km WNW of San Miguel Is., CAThu, May 22, 4:55 AM PDT · 16934 days ago · 15 km deep · 99 km away
17. 2.123km SSE of Santa Rosa Is., CAThu, May 22, 7:48 AM PDT · 16934 days ago · 6 km deep · 79 km away
18. 1.514km S of Santa Barbara, CASat, May 24, 11:04 AM PDT · 16932 days ago · 16 km deep · 12 km away
19. 1.816km NW of Grapevine, CASun, Jun 1, 11:39 AM PDT · 16924 days ago · 6 km deep · 93 km away
20. 2.316km S of Carpinteria, CAMon, Jun 2, 2:26 PM PDT · 16923 days ago · 13 km deep · 18 km away
21. 1.819km S of Carpinteria, CAMon, Jun 2, 4:20 PM PDT · 16923 days ago · 9 km deep · 20 km away
22. 1.619km N of Santa Cruz Is. (E end), CAMon, Jun 2, 5:54 PM PDT · 16923 days ago · 12 km deep · 21 km away
23. 2.08km ENE of Carpinteria, CATue, Jun 3, 7:28 AM PDT · 16922 days ago · 6 km deep · 18 km away
24. 1.916km S of Carpinteria, CATue, Jun 3, 4:30 PM PDT · 16922 days ago · 6 km deep · 17 km away
25. 1.517km S of Carpinteria, CATue, Jun 3, 5:34 PM PDT · 16922 days ago · 6 km deep · 17 km away
26. 1.520km S of Carpinteria, CAWed, Jun 4, 3:26 PM PDT · 16921 days ago · 6 km deep · 19 km away
27. 2.211km WNW of Malibu, CASat, Jun 7, 12:23 PM PDT · 16918 days ago · 10 km deep · 75 km away
28. 2.516km S of Santa Barbara, CASat, Jun 7, 7:56 PM PDT · 16918 days ago · 20 km deep · 13 km away
29. 2.217km S of Santa Barbara, CASun, Jun 8, 12:38 PM PDT · 16917 days ago · 6 km deep · 12 km away
30. 1.515km SSW of Port Hueneme, CAMon, Jun 9, 1:46 PM PDT · 16916 days ago · 14 km deep · 51 km away
31. 2.39km ESE of Orcutt, CAWed, Jun 11, 4:08 AM PDT · 16914 days ago · 6 km deep · 84 km away
32. 2.117km SSE of Carpinteria, CAWed, Jun 11, 5:34 AM PDT · 16914 days ago · 5 km deep · 20 km away
33. 2.117km S of Santa Barbara, CAMon, Jun 16, 8:00 AM PDT · 16909 days ago · 1 km deep · 13 km away
34. 1.619km S of Santa Barbara, CAThu, Jun 19, 7:16 AM PDT · 16906 days ago · 0 km deep · 16 km away
35. 2.14km E of Goleta, CAThu, Jun 19, 11:53 PM PDT · 16905 days ago · 12 km deep · 16 km away
36. 2.57km NE of Ojai, CASat, Jun 21, 4:15 AM PDT · 16904 days ago · 17 km deep · 43 km away
37. 2.08km NNW of Ojai, CASat, Jun 21, 4:30 AM PDT · 16904 days ago · 6 km deep · 35 km away
38. 1.52km SE of Simi Valley, CASun, Jun 22, 10:52 PM PDT · 16902 days ago · 16 km deep · 84 km away
39. 1.613km NNW of Grapevine, CATue, Jun 24, 1:08 AM PDT · 16901 days ago · 6 km deep · 98 km away
40. 2.414km N of Grapevine, CAWed, Jun 25, 9:08 PM PDT · 16900 days ago · 6 km deep · 99 km away
41. 1.519km S of Carpinteria, CAThu, Jun 26, 1:34 PM PDT · 16899 days ago · 16 km deep · 21 km away
42. 1.619km S of Carpinteria, CAThu, Jun 26, 3:54 PM PDT · 16899 days ago · 14 km deep · 20 km away

Before

1. 1.82km SSW of Valencia, CAMon, Apr 28, 5:00 AM PDT · 16958 days ago · 2 km deep · 97 km away
2. 1.54km N of Fillmore, CASun, Apr 27, 7:26 PM PDT · 16959 days ago · 3 km deep · 66 km away
3. 2.218km NW of Grapevine, CASun, Apr 27, 11:09 AM PDT · 16959 days ago · 19 km deep · 92 km away
4. 1.53km NW of Castaic, CAFri, Apr 25, 7:45 AM PST · 16961 days ago · 21 km deep · 91 km away
5. 1.822km NW of Santa Barbara Is., CAWed, Apr 23, 6:53 AM PST · 16963 days ago · 6 km deep · 94 km away
6. 2.020km NW of Grapevine, CAWed, Apr 23, 6:43 AM PST · 16963 days ago · 6 km deep · 93 km away
7. 2.48km SSE of Malibu Beach, CAWed, Apr 23, 3:35 AM PST · 16963 days ago · 11 km deep · 100 km away
8. 1.612km SW of Ojai, CAWed, Apr 23, 1:47 AM PST · 16963 days ago · 11 km deep · 28 km away
9. 2.010km SW of Ojai, CAWed, Apr 23, 1:45 AM PST · 16963 days ago · 9 km deep · 29 km away
10. 1.810km SW of Ojai, CAWed, Apr 23, 1:45 AM PST · 16963 days ago · 8 km deep · 28 km away
11. 1.58km W of Pine Mountain Club, CAMon, Apr 21, 5:27 PM PST · 16965 days ago · 11 km deep · 64 km away
12. 2.42km ENE of Frazier Park, CAMon, Apr 21, 4:56 AM PST · 16965 days ago · 13 km deep · 83 km away
13. 1.722km W of Pine Mountain Club, CASun, Apr 20, 2:46 PM PST · 16966 days ago · 6 km deep · 58 km away
14. 1.514km ESE of Carpinteria, CASun, Apr 20, 10:50 AM PST · 16966 days ago · 12 km deep · 23 km away
15. 2.28km SW of Ojai, CASun, Apr 20, 10:01 AM PST · 16966 days ago · 7 km deep · 30 km away
16. 2.112km SW of Ojai, CASun, Apr 20, 9:58 AM PST · 16966 days ago · 10 km deep · 26 km away
17. 2.42km SSE of Lompoc, CAFri, Apr 18, 7:28 PM PST · 16968 days ago · 3 km deep · 80 km away
18. 1.52km WNW of Frazier Park, CAFri, Apr 18, 4:33 PM PST · 16968 days ago · 14 km deep · 80 km away
19. 1.820km N of Pine Mountain Club, CAFri, Apr 18, 8:37 AM PST · 16968 days ago · 14 km deep · 86 km away
20. 1.812km SW of Port Hueneme, CAThu, Apr 17, 11:12 AM PST · 16969 days ago · 0 km deep · 48 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci3328397. Read Fri, Oct 2, 2026, 4:29 PM UTC.