M2.3 earthquake 4 km SW of Morro Bay, California

Magnitude

2.3 (md), micro

Local time

Thu, Jun 27, 1985, 4:57 AM PDT

UTC

1985-06-27 11:57:12 UTC

Depth

3.2 km (2.0 mi), shallow

Epicenter

35.339° N, 120.887° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 1.7 km horizontally, 0.9 km in depth

Magnitude uncertainty

±0.09

Depth from

From location

Station coverage gap

193°, poorly surrounded by stations

Stations used

17

• Morro Bay, CaliforniaPopulation 10,639. Forecast5 kmSW
• Santa Maria, CaliforniaPopulation 105,093. Forecast59 kmNW
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast281 kmWNW

After

1. 1.726 km ESE of Shandon, CaliforniaSat, Jun 29, 8:06 PM PDT · 15059 days ago · 10 km deep · 74 km away
2. 1.88 km W of Templeton, CaliforniaTue, Jul 2, 6:53 AM PDT · 15057 days ago · 6 km deep · 24 km away
3. 1.99 km W of Templeton, CaliforniaTue, Jul 2, 7:30 AM PDT · 15057 days ago · 6 km deep · 24 km away
4. 2.249 km WSW of Guadalupe, CaliforniaTue, Jul 2, 10:43 PM PDT · 15056 days ago · 10 km deep · 60 km away
5. 1.822 km NW of Parkfield, CaliforniaFri, Jul 5, 1:19 AM PDT · 15054 days ago · 4 km deep · 83 km away
6. 3.115 km NW of Parkfield, CaliforniaThu, Jul 11, 5:47 PM PDT · 15047 days ago · 4 km deep · 79 km away
7. 1.915 km S of Lake Nacimiento, CaliforniaFri, Jul 12, 12:16 AM PDT · 15047 days ago · 5 km deep · 28 km away
8. 1.815 km NW of Parkfield, CaliforniaFri, Jul 12, 1:14 PM PDT · 15047 days ago · 5 km deep · 79 km away
9. 1.8Central CaliforniaFri, Jul 12, 6:09 PM PDT · 15046 days ago · 3 km deep · 79 km away
10. 1.615 km NW of Parkfield, CaliforniaSat, Jul 13, 10:13 AM PDT · 15046 days ago · 3 km deep · 79 km away
11. 2.023 km ENE of San Lucas, CaliforniaFri, Jul 26, 12:43 AM PDT · 15033 days ago · 6 km deep · 99 km away
12. 1.91 km SW of Coalinga, CaliforniaSun, Jul 28, 6:22 AM PDT · 15031 days ago · 12 km deep · 100 km away
13. 1.623 km ENE of San Lucas, CaliforniaTue, Jul 30, 3:40 AM PDT · 15029 days ago · 5 km deep · 99 km away
14. 1.916 km N of San Simeon, CaliforniaFri, Aug 2, 3:16 AM PDT · 15026 days ago · 6 km deep · 58 km away
15. 2.413 km SE of Avenal, CaliforniaSun, Aug 4, 6:04 AM PDT · 15024 days ago · 9 km deep · 99 km away
16. 2.413 km SSE of Avenal, CaliforniaSun, Aug 4, 6:32 AM PDT · 15024 days ago · 13 km deep · 96 km away
17. 2.58 km SSE of Avenal, CaliforniaSun, Aug 4, 7:07 AM PDT · 15024 days ago · 7 km deep · 98 km away
18. 1.63 km WSW of Avenal, CaliforniaSun, Aug 4, 11:52 AM PDT · 15024 days ago · 12 km deep · 98 km away
19. 1.72 km WNW of Avenal, CaliforniaSun, Aug 4, 12:05 PM PDT · 15024 days ago · 12 km deep · 100 km away
20. 1.713 km NE of Parkfield, CaliforniaSun, Aug 4, 2:48 PM PDT · 15024 days ago · 7 km deep · 87 km away
21. 1.91 km SW of San Ardo, CaliforniaTue, Aug 6, 10:52 AM PDT · 15022 days ago · 10 km deep · 75 km away
22. 4.31 km WNW of Avenal, CaliforniaTue, Aug 6, 5:16 PM PDT · 15022 days ago · 18 km deep · 100 km away
23. 3.23 km W of Avenal, CaliforniaTue, Aug 6, 5:28 PM PDT · 15022 days ago · 15 km deep · 98 km away
24. 3.81 km W of Avenal, CaliforniaTue, Aug 6, 5:28 PM PDT · 15022 days ago · 16 km deep · 100 km away
25. 2.23 km WSW of Avenal, CaliforniaTue, Aug 6, 5:35 PM PDT · 15022 days ago · 10 km deep · 98 km away
26. 2.22 km W of Avenal, CaliforniaTue, Aug 6, 5:42 PM PDT · 15021 days ago · 15 km deep · 100 km away
27. 2.01 km W of Avenal, CaliforniaTue, Aug 6, 6:38 PM PDT · 15021 days ago · 18 km deep · 100 km away
28. 2.22 km W of Avenal, CaliforniaTue, Aug 6, 8:10 PM PDT · 15021 days ago · 12 km deep · 99 km away
29. 2.92 km WNW of Avenal, CaliforniaTue, Aug 6, 8:12 PM PDT · 15021 days ago · 15 km deep · 100 km away
30. 1.67 km WNW of Avenal, CaliforniaTue, Aug 6, 8:56 PM PDT · 15021 days ago · 4 km deep · 98 km away
31. 2.03 km WNW of Avenal, CaliforniaTue, Aug 6, 9:12 PM PDT · 15021 days ago · 16 km deep · 100 km away
32. 2.32 km WNW of Avenal, CaliforniaWed, Aug 7, 7:31 AM PDT · 15021 days ago · 14 km deep · 100 km away
33. 1.62 km W of Avenal, CaliforniaWed, Aug 7, 12:32 PM PDT · 15021 days ago · 12 km deep · 100 km away
34. 2.015 km NW of Parkfield, CaliforniaWed, Aug 7, 9:58 PM PDT · 15020 days ago · 5 km deep · 79 km away
35. 2.00 km ESE of Garden Farms, CaliforniaFri, Aug 9, 4:51 PM PDT · 15019 days ago · 6 km deep · 27 km away
36. 2.56 km SE of Avenal, CaliforniaMon, Aug 12, 7:21 AM PDT · 15016 days ago · 12 km deep · 100 km away
37. 2.11 km SSW of Avenal, CaliforniaMon, Aug 12, 7:59 AM PDT · 15016 days ago · 13 km deep · 99 km away
38. 2.41 km SW of Avenal, CaliforniaMon, Aug 12, 8:08 AM PDT · 15016 days ago · 13 km deep · 100 km away
39. 2.55 km WNW of Avenal, CaliforniaMon, Aug 12, 2:23 PM PDT · 15016 days ago · 10 km deep · 100 km away
40. 2.17 km SW of Avenal, CaliforniaMon, Aug 12, 2:44 PM PDT · 15016 days ago · 14 km deep · 93 km away
41. 2.92 km W of Avenal, CaliforniaMon, Aug 12, 4:49 PM PDT · 15016 days ago · 9 km deep · 99 km away
42. 1.78 km WNW of Coalinga, CaliforniaTue, Aug 13, 9:55 AM PDT · 15015 days ago · 10 km deep · 99 km away
43. 2.21 km SSE of Avenal, CaliforniaWed, Aug 14, 2:25 PM PDT · 15014 days ago · 15 km deep · 100 km away
44. 2.72 km WNW of Avenal, CaliforniaMon, Aug 19, 7:06 AM PDT · 15009 days ago · 16 km deep · 100 km away
45. 1.72 km WNW of Avenal, CaliforniaMon, Aug 19, 12:40 PM PDT · 15009 days ago · 13 km deep · 100 km away
46. 1.812 km SSE of Avenal, CaliforniaTue, Aug 20, 1:39 AM PDT · 15008 days ago · 18 km deep · 94 km away
47. 2.110 km SSE of Avenal, CaliforniaTue, Aug 20, 1:47 AM PDT · 15008 days ago · 13 km deep · 96 km away
48. 1.718 km SSW of Avenal, CaliforniaTue, Aug 20, 3:05 AM PDT · 15008 days ago · 6 km deep · 83 km away

Before

1. 2.412 km N of Parkfield, CaliforniaWed, Jun 26, 11:52 AM PDT · 15063 days ago · 0 km deep · 87 km away
2. 2.021 km NW of Parkfield, CaliforniaMon, Jun 24, 1:52 AM PDT · 15065 days ago · 5 km deep · 83 km away
3. 2.224 km ENE of San Lucas, CaliforniaSun, Jun 23, 7:59 AM PDT · 15066 days ago · 6 km deep · 98 km away
4. 1.939 km W of Lockwood, CaliforniaFri, Jun 21, 3:42 PM PDT · 15068 days ago · 7 km deep · 85 km away
5. 1.92 km S of Oak Shores, CaliforniaWed, Jun 19, 3:16 AM PDT · 15070 days ago · 7 km deep · 46 km away
6. 2.43km SW of Orcutt, CASun, Jun 9, 1:22 PM PDT · 15080 days ago · 5 km deep · 68 km away
7. 1.810 km NW of Parkfield, CaliforniaFri, Jun 7, 6:45 PM PDT · 15081 days ago · 7 km deep · 78 km away
8. 2.116 km NW of Parkfield, CaliforniaTue, Jun 4, 7:09 AM PDT · 15085 days ago · 5 km deep · 80 km away
9. 2.127 km WSW of Lockwood, CaliforniaThu, May 30, 7:34 AM PDT · 15090 days ago · 8 km deep · 71 km away
10. 1.515 km NW of Parkfield, CaliforniaThu, May 30, 5:21 AM PDT · 15090 days ago · 4 km deep · 79 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc50252 (also filed as ci69073). Read Tue, Sep 22, 2026, 12:10 PM UTC.