M1.9 earthquake 8 km WSW of Atascadero, California

Magnitude

1.9 (md), micro

Local time

Sun, Oct 11, 1981, 2:05 PM PDT

UTC

1981-10-11 21:05:27 UTC

Depth

5.9 km (3.7 mi), shallow

Epicenter

35.469° N, 120.765° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.8 km horizontally, 0.9 km in depth

Magnitude uncertainty

±0.43

Depth from

From location

Station coverage gap

138°

Stations used

13

• Atascadero, CaliforniaPopulation 29,819. Forecast9 kmWSW
• Santa Maria, CaliforniaPopulation 105,093. Forecast65 kmNNW
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast279 kmNW

After

1. 1.68 km W of Oak Shores, CaliforniaMon, Oct 12, 12:28 PM PDT · 16416 days ago · 7 km deep · 44 km away
2. 1.822 km ENE of San Ardo, CaliforniaTue, Oct 13, 6:59 PM PDT · 16414 days ago · 2 km deep · 72 km away
3. 1.528 km NE of San Lucas, CaliforniaThu, Oct 15, 11:19 PM PDT · 16412 days ago · 9 km deep · 93 km away
4. 1.78km W of Los Alamos, CAWed, Oct 21, 6:43 AM PDT · 16407 days ago · 5 km deep · 88 km away
5. 1.922 km NW of Parkfield, CaliforniaSun, Oct 25, 12:53 PM PST · 16403 days ago · 4 km deep · 66 km away
6. 2.579km WSW of Avila Beach, CAMon, Oct 26, 1:29 AM PST · 16402 days ago · 6 km deep · 97 km away
7. 1.519 km NW of Parkfield, CaliforniaTue, Oct 27, 12:24 AM PST · 16401 days ago · 4 km deep · 64 km away
8. 2.213 km SE of Parkfield, CaliforniaTue, Oct 27, 9:52 AM PST · 16401 days ago · 10 km deep · 52 km away
9. 1.86 km NE of Cambria, CaliforniaTue, Oct 27, 3:09 PM PST · 16401 days ago · 3 km deep · 28 km away
10. 2.816 km NW of Parkfield, CaliforniaWed, Oct 28, 2:16 PM PST · 16400 days ago · 5 km deep · 63 km away
11. 1.531 km WNW of Coalinga, CaliforniaThu, Oct 29, 4:09 PM PST · 16399 days ago · 10 km deep · 86 km away
12. 1.62 km S of Parkfield, CaliforniaFri, Oct 30, 8:20 PM PST · 16397 days ago · 10 km deep · 54 km away
13. 2.411 km WSW of Huron, CaliforniaWed, Nov 4, 12:53 PM PST · 16393 days ago · 8 km deep · 91 km away
14. 1.87 km SW of Templeton, CaliforniaWed, Nov 4, 5:47 PM PST · 16392 days ago · 5 km deep · 4 km away
15. 1.62 km ESE of San Ardo, CaliforniaWed, Nov 4, 5:52 PM PST · 16392 days ago · 10 km deep · 61 km away
16. 1.524 km ENE of San Lucas, CaliforniaFri, Nov 6, 4:56 PM PST · 16390 days ago · 5 km deep · 84 km away
17. 2.022 km NE of San Lucas, CaliforniaSun, Nov 8, 7:40 PM PST · 16388 days ago · 7 km deep · 89 km away
18. 1.726 km NE of San Ardo, CaliforniaMon, Nov 9, 7:45 AM PST · 16388 days ago · 5 km deep · 81 km away
19. 1.822 km NNE of San Lucas, CaliforniaWed, Nov 11, 6:31 PM PST · 16385 days ago · 4 km deep · 94 km away
20. 1.625 km NE of San Lucas, CaliforniaThu, Nov 19, 11:24 PM PST · 16377 days ago · 7 km deep · 90 km away
21. 1.921 km NW of San Simeon, CaliforniaSat, Nov 21, 12:34 PM PST · 16376 days ago · 1 km deep · 65 km away
22. 2.116 km NW of Parkfield, CaliforniaThu, Nov 26, 2:58 AM PST · 16371 days ago · 5 km deep · 62 km away
23. 2.423 km ENE of San Lucas, CaliforniaThu, Nov 26, 10:48 AM PST · 16371 days ago · 5 km deep · 83 km away
24. 2.315 km W of Guadalupe, CaliforniaFri, Nov 27, 1:09 PM PST · 16370 days ago · 1 km deep · 57 km away
25. 1.76 km WNW of San Ardo, CaliforniaFri, Nov 27, 1:21 PM PST · 16370 days ago · 6 km deep · 67 km away
26. 1.86 km WNW of San Ardo, CaliforniaFri, Nov 27, 10:06 PM PST · 16369 days ago · 6 km deep · 67 km away
27. 1.68 km SW of Templeton, CaliforniaMon, Nov 30, 4:52 AM PST · 16367 days ago · 4 km deep · 4 km away
28. 1.814 km SSE of Avenal, CaliforniaTue, Dec 1, 1:03 AM PST · 16366 days ago · 22 km deep · 79 km away
29. 3.122 km NE of San Ardo, CaliforniaFri, Dec 4, 5:34 AM PST · 16363 days ago · 8 km deep · 78 km away
30. 1.6Near the coast of Central CaliforniaSun, Dec 6, 1:14 PM PST · 16361 days ago · 8 km deep · 40 km away
31. 1.97 km NE of Cambria, CaliforniaThu, Dec 10, 8:07 AM PST · 16357 days ago · 2 km deep · 28 km away

Before

1. 2.1Central CaliforniaSun, Oct 11, 12:40 AM PDT · 16417 days ago · 11 km deep · 62 km away
2. 2.423km ENE of Santa Maria, CASat, Oct 10, 2:40 PM PDT · 16418 days ago · 11 km deep · 67 km away
3. 1.923 km NE of King City, CaliforniaFri, Oct 9, 6:55 AM PDT · 16419 days ago · 4 km deep · 100 km away
4. 1.56 km WSW of Paso Robles, CaliforniaTue, Oct 6, 5:33 AM PDT · 16422 days ago · 5 km deep · 15 km away
5. 2.08 km W of Huron, CaliforniaMon, Oct 5, 10:57 PM PDT · 16422 days ago · 9 km deep · 96 km away
6. 2.015km S of Kettleman City, CAMon, Oct 5, 2:30 PM PDT · 16423 days ago · 5 km deep · 88 km away
7. 1.621 km NW of Parkfield, CaliforniaFri, Oct 2, 9:21 AM PDT · 16426 days ago · 2 km deep · 65 km away
8. 2.514 km SSW of Lockwood, CaliforniaWed, Sep 30, 2:13 PM PDT · 16428 days ago · 6 km deep · 51 km away
9. 1.623 km NE of San Lucas, CaliforniaWed, Sep 30, 6:04 AM PDT · 16428 days ago · 5 km deep · 92 km away
10. 1.810 km NNE of Cayucos, CaliforniaMon, Sep 28, 7:25 PM PDT · 16429 days ago · 5 km deep · 9 km away
11. 1.927 km ENE of King City, CaliforniaSun, Sep 27, 1:01 AM PDT · 16431 days ago · 9 km deep · 98 km away
12. 3.014 km SSE of Coalinga, CaliforniaSat, Sep 26, 7:03 AM PDT · 16432 days ago · 0 km deep · 74 km away
13. 2.112 km SE of Coalinga, CaliforniaSat, Sep 26, 7:03 AM PDT · 16432 days ago · 9 km deep · 79 km away
14. 2.2Central CaliforniaFri, Sep 25, 3:23 PM PDT · 16433 days ago · 6 km deep · 98 km away
15. 2.123 km NE of San Lucas, CaliforniaFri, Sep 25, 12:42 PM PDT · 16433 days ago · 7 km deep · 87 km away
16. 1.725 km WSW of Coalinga, CaliforniaFri, Sep 25, 9:43 AM PDT · 16433 days ago · 2 km deep · 68 km away
17. 1.9Central CaliforniaThu, Sep 24, 7:30 PM PDT · 16433 days ago · 2 km deep · 69 km away
18. 1.59 km WSW of Atascadero, CaliforniaThu, Sep 24, 5:47 AM PDT · 16434 days ago · 5 km deep · 0 km away
19. 2.217 km NNW of San Simeon, CaliforniaThu, Sep 24, 2:29 AM PDT · 16434 days ago · 4 km deep · 58 km away
20. 2.337 km WSW of Guadalupe, CaliforniaWed, Sep 23, 5:33 AM PDT · 16435 days ago · 0 km deep · 70 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc1068539. Read Tue, Sep 22, 2026, 12:14 PM UTC.