M1.7 earthquake 8 km NE of Edna, California

Magnitude

1.7 (md), micro

Local time

Mon, Dec 22, 1986, 4:54 AM PST

UTC

1986-12-22 12:54:28 UTC

Depth

6.7 km (4.2 mi), shallow

Epicenter

35.261° N, 120.544° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.3 km horizontally, 1.1 km in depth

Magnitude uncertainty

±0.07

Depth from

From location

Station coverage gap

67°

Stations used

16

• San Luis Obispo, CaliforniaPopulation 47,339. Forecast11 kmESE
• Santa Maria, CaliforniaPopulation 105,093. Forecast36 kmNNW
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast250 kmWNW

After

1. 2.02 km E of San Ardo, CAMon, Dec 22, 1:10 PM PST · 14519 days ago · 11 km deep · 90 km away
2. 1.918 km SSW of Kettleman City, CaliforniaMon, Dec 22, 6:08 PM PST · 14519 days ago · 17 km deep · 81 km away
3. 2.220 km SSE of Avenal, CaliforniaMon, Dec 22, 6:10 PM PST · 14519 days ago · 16 km deep · 78 km away
4. 2.29km E of Los Alamos, CATue, Dec 23, 6:29 PM PST · 14518 days ago · 5 km deep · 67 km away
5. 1.54 km NW of Parkfield, CaliforniaWed, Dec 24, 2:19 PM PST · 14517 days ago · 5 km deep · 74 km away
6. 1.96 km W of Kettleman City, CaliforniaWed, Dec 24, 7:40 PM PST · 14517 days ago · 11 km deep · 95 km away
7. 1.78 km W of Atascadero, CaliforniaFri, Dec 26, 7:29 AM PST · 14515 days ago · 5 km deep · 31 km away
8. 2.28 km NNW of Avenal, CaliforniaMon, Dec 29, 2:37 PM PST · 14512 days ago · 3 km deep · 96 km away
9. 1.91 km ESE of San Ardo, CaliforniaTue, Dec 30, 3:39 AM PST · 14511 days ago · 10 km deep · 89 km away
10. 2.325km SSW of Alpaugh, CAWed, Jan 7, 4:03 PM PST · 14503 days ago · 5 km deep · 96 km away
11. 2.525 km NW of San Simeon, CaliforniaFri, Jan 9, 6:26 AM PST · 14501 days ago · 12 km deep · 97 km away
12. 2.09km NNW of Los Olivos, CAFri, Jan 9, 12:26 PM PST · 14501 days ago · 1 km deep · 68 km away
13. 1.527 km ESE of Shandon, CaliforniaSun, Jan 11, 8:37 AM PST · 14499 days ago · 9 km deep · 51 km away
14. 1.825 km ENE of San Ardo, CaliforniaSun, Jan 11, 6:48 PM PST · 14499 days ago · 1 km deep · 90 km away
15. 2.66 km WNW of San Simeon, CaliforniaMon, Jan 12, 1:31 PM PST · 14498 days ago · 10 km deep · 79 km away
16. 2.127 km NW of San Simeon, CaliforniaSat, Jan 17, 2:26 PM PST · 14493 days ago · 3 km deep · 100 km away
17. 2.13 km SSE of Kettleman City, CaliforniaMon, Jan 19, 1:21 AM PST · 14492 days ago · 8 km deep · 96 km away
18. 1.93 km SSE of Kettleman City, CaliforniaMon, Jan 19, 1:23 AM PST · 14492 days ago · 12 km deep · 96 km away
19. 2.522 km ENE of San Ardo, CaliforniaMon, Jan 19, 4:24 AM PST · 14491 days ago · 5 km deep · 97 km away
20. 1.917 km NW of Parkfield, CaliforniaThu, Jan 22, 11:09 AM PST · 14488 days ago · 5 km deep · 84 km away
21. 2.030km WSW of Maricopa, CASun, Jan 25, 1:23 PM PST · 14485 days ago · 3 km deep · 84 km away
22. 1.830km WSW of Maricopa, CASun, Jan 25, 3:12 PM PST · 14485 days ago · 9 km deep · 84 km away
23. 2.022km WSW of Vandenberg Air Force Base, CAThu, Jan 29, 8:08 AM PST · 14481 days ago · 6 km deep · 66 km away
24. 2.19 km NW of Parkfield, CaliforniaSun, Feb 1, 3:25 AM PST · 14478 days ago · 5 km deep · 78 km away
25. 2.013 km W of Avenal, CaliforniaSun, Feb 1, 11:27 AM PST · 14478 days ago · 9 km deep · 85 km away
26. 3.04 km NW of Parkfield, CaliforniaSun, Feb 1, 8:45 PM PST · 14478 days ago · 9 km deep · 74 km away
27. 2.05 km SE of Kettleman City, CaliforniaMon, Feb 2, 2:10 AM PST · 14478 days ago · 15 km deep · 97 km away
28. 1.94 km NW of Parkfield, CaliforniaTue, Feb 3, 6:49 AM PST · 14476 days ago · 9 km deep · 75 km away
29. 1.722 km NW of Parkfield, CaliforniaFri, Feb 6, 12:48 PM PST · 14473 days ago · 4 km deep · 88 km away
30. 3.14km NNE of Vandenberg Air Force Base, CAFri, Feb 13, 7:30 PM PST · 14466 days ago · 5 km deep · 53 km away
31. 2.322km WSW of Vandenberg Air Force Base, CAFri, Feb 13, 7:43 PM PST · 14466 days ago · 5 km deep · 65 km away
32. 1.63 km E of Coalinga, CaliforniaSat, Feb 14, 10:53 AM PST · 14465 days ago · 5 km deep · 99 km away
33. 1.714 km SE of Parkfield, CaliforniaSun, Feb 15, 12:56 AM PST · 14465 days ago · 10 km deep · 62 km away
34. 1.818 km NW of Parkfield, CaliforniaSun, Feb 15, 7:17 AM PST · 14464 days ago · 4 km deep · 84 km away
35. 2.014 km NW of San Simeon, CaliforniaWed, Feb 18, 8:57 AM PST · 14461 days ago · 10 km deep · 86 km away

Before

1. 2.017 km SSW of Kettleman City, CaliforniaSat, Dec 20, 3:33 AM PST · 14521 days ago · 15 km deep · 81 km away
2. 1.820 km S of Avenal, CaliforniaSat, Dec 20, 3:31 AM PST · 14521 days ago · 17 km deep · 74 km away
3. 1.818 km S of Kettleman City, CaliforniaSat, Dec 20, 3:29 AM PST · 14521 days ago · 17 km deep · 81 km away
4. 2.74 km SSE of Kettleman City, CaliforniaWed, Dec 17, 9:48 PM PST · 14524 days ago · 12 km deep · 96 km away
5. 2.211km N of Los Olivos, CAMon, Dec 15, 4:22 PM PST · 14526 days ago · 5 km deep · 67 km away
6. 1.69 km SW of Kettleman City, CaliforniaThu, Dec 11, 12:00 PM PST · 14530 days ago · 11 km deep · 89 km away
7. 2.17 km NNE of Avenal, CaliforniaWed, Dec 10, 3:53 PM PST · 14531 days ago · 7 km deep · 98 km away
8. 2.213km SE of Santa Ynez, CAWed, Dec 10, 3:08 PM PST · 14531 days ago · -1 km deep · 96 km away
9. 2.26 km N of Avenal, CaliforniaWed, Dec 10, 4:41 AM PST · 14531 days ago · 2 km deep · 97 km away
10. 2.36 km N of Avenal, CaliforniaTue, Dec 9, 8:42 PM PST · 14532 days ago · 2 km deep · 97 km away
11. 2.12 km SSE of Kettleman City, CaliforniaSun, Dec 7, 2:57 PM PST · 14534 days ago · 9 km deep · 97 km away
12. 3.39 km W of Morro Bay, CaliforniaSun, Dec 7, 4:33 AM PST · 14534 days ago · 2 km deep · 39 km away
13. 2.31 km SSE of Kettleman City, CaliforniaSun, Dec 7, 2:01 AM PST · 14535 days ago · 2 km deep · 97 km away
14. 1.613 km WSW of Avenal, CaliforniaSat, Dec 6, 10:12 AM PST · 14535 days ago · 15 km deep · 81 km away
15. 1.98 km WSW of Avenal, CaliforniaSat, Dec 6, 10:10 AM PST · 14535 days ago · 17 km deep · 86 km away
16. 2.710km NNW of Los Olivos, CAWed, Dec 3, 10:29 AM PST · 14538 days ago · 5 km deep · 68 km away
17. 1.911 km NE of Shandon, CaliforniaTue, Dec 2, 3:28 AM PST · 14539 days ago · 12 km deep · 58 km away
18. 2.58km NNW of Los Olivos, CAMon, Dec 1, 5:50 PM PST · 14540 days ago · 5 km deep · 69 km away
19. 1.92 km E of San Ardo, CaliforniaMon, Dec 1, 3:02 PM PST · 14540 days ago · 10 km deep · 90 km away
20. 2.58km NNW of Los Olivos, CAWed, Nov 26, 8:25 AM PST · 14545 days ago · 5 km deep · 68 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc90718 (also filed as ci714852). Read Tue, Sep 22, 2026, 10:25 PM UTC.