M2.1 earthquake 4km N of Buttonwillow, CA

Magnitude

2.1 (mc), micro

Local time

Tue, Dec 4, 1984, 4:17 AM PST

UTC

1984-12-04 12:17:39 UTC

Depth

5.1 km (3.2 mi), shallow

Epicenter

35.435° N, 119.470° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Depth from

Operator assigned

Station coverage gap

142°

Stations used

0

• Buttonwillow, CaliforniaPopulation 1,508. Forecast4 kmN
• Shafter, CaliforniaPopulation 18,336. Forecast19 kmWSW
• Bakersfield, CaliforniaPopulation 373,640. Forecast41 kmW
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast190 kmNW

After

1. 1.520km SW of Lamont, CATue, Dec 4, 8:45 AM PST · 15267 days ago · 12 km deep · 53 km away
2. 2.67km NNW of Los Olivos, CATue, Dec 4, 11:56 PM PST · 15266 days ago · 12 km deep · 100 km away
3. 2.019km SW of Lamont, CAFri, Dec 7, 4:43 AM PST · 15264 days ago · 14 km deep · 52 km away
4. 2.120km SW of Lamont, CASat, Dec 8, 12:13 AM PST · 15263 days ago · 13 km deep · 51 km away
5. 2.119km SW of Lamont, CASat, Dec 8, 12:13 AM PST · 15263 days ago · 11 km deep · 48 km away
6. 2.19km NNE of Shafter, CASat, Dec 8, 1:10 AM PST · 15263 days ago · 5 km deep · 27 km away
7. 1.619km SSW of Lamont, CAMon, Dec 10, 4:44 PM PST · 15260 days ago · 16 km deep · 54 km away
8. 1.919km SW of Lamont, CAWed, Dec 12, 12:52 AM PST · 15259 days ago · 15 km deep · 51 km away
9. 2.04km W of Frazier Park, CAWed, Dec 12, 1:09 AM PST · 15259 days ago · 12 km deep · 81 km away
10. 1.710 km SSE of Avenal, CaliforniaWed, Dec 12, 10:42 AM PST · 15259 days ago · 23 km deep · 77 km away
11. 1.612km N of Pine Mountain Club, CASun, Dec 16, 8:42 PM PST · 15254 days ago · 19 km deep · 61 km away
12. 1.89km NE of Pine Mountain Club, CATue, Dec 18, 4:25 PM PST · 15252 days ago · 16 km deep · 68 km away
13. 1.622km NNW of Tehachapi, CATue, Dec 18, 10:30 PM PST · 15252 days ago · 4 km deep · 84 km away
14. 2.19km NNW of Grapevine, CAThu, Dec 20, 2:11 AM PST · 15251 days ago · 11 km deep · 65 km away
15. 1.813km NNE of Grapevine, CAThu, Dec 20, 9:16 AM PST · 15251 days ago · 15 km deep · 70 km away
16. 1.618km NW of Tehachapi, CAThu, Dec 20, 9:20 AM PST · 15251 days ago · 5 km deep · 84 km away
17. 2.19km N of Simmler, CAThu, Dec 20, 10:52 AM PST · 15251 days ago · 6 km deep · 47 km away
18. 1.618km NW of Grapevine, CAThu, Dec 20, 7:49 PM PST · 15250 days ago · 15 km deep · 56 km away
19. 3.123km ENE of Simmler, CAFri, Dec 21, 2:09 PM PST · 15249 days ago · -1 km deep · 28 km away
20. 1.815km SSW of Maricopa, CAFri, Dec 21, 10:10 PM PST · 15249 days ago · 10 km deep · 57 km away
21. 2.623km NNW of Tehachapi, CASat, Dec 22, 7:15 AM PST · 15249 days ago · 4 km deep · 87 km away
22. 1.79km WSW of Grapevine, CASat, Dec 22, 8:17 PM PST · 15248 days ago · 13 km deep · 72 km away
23. 1.63km NW of Frazier Park, CASun, Dec 23, 2:38 PM PST · 15247 days ago · 4 km deep · 80 km away
24. 2.111 km SSW of Stratford, CaliforniaSun, Dec 23, 10:06 PM PST · 15247 days ago · 19 km deep · 81 km away
25. 1.96km SE of Oildale, CAMon, Dec 24, 5:58 PM PST · 15246 days ago · 5 km deep · 45 km away
26. 2.226km NNW of Tehachapi, CATue, Dec 25, 12:37 PM PST · 15245 days ago · 5 km deep · 82 km away
27. 2.813km W of Grapevine, CATue, Dec 25, 4:56 PM PST · 15245 days ago · 15 km deep · 64 km away
28. 1.722km NNW of Tehachapi, CAThu, Dec 27, 10:16 AM PST · 15244 days ago · 5 km deep · 85 km away
29. 2.121km NE of Los Alamos, CASat, Dec 29, 2:47 AM PST · 15242 days ago · -1 km deep · 85 km away
30. 2.28km WSW of Grapevine, CASat, Dec 29, 3:46 AM PST · 15242 days ago · 13 km deep · 71 km away
31. 1.523km NE of Arvin, CAWed, Jan 2, 7:23 PM PST · 15237 days ago · 5 km deep · 78 km away
32. 1.93km SE of Gorman, CAThu, Jan 3, 4:37 AM PST · 15237 days ago · 11 km deep · 93 km away
33. 1.69km SE of Lake Isabella, CAThu, Jan 3, 6:06 PM PST · 15236 days ago · 2 km deep · 98 km away
34. 2.421km NE of Los Alamos, CAMon, Jan 7, 9:25 AM PST · 15233 days ago · -1 km deep · 85 km away
35. 1.510km WNW of Bodfish, CAMon, Jan 7, 12:34 PM PST · 15232 days ago · 5 km deep · 81 km away
36. 1.717km NW of Tehachapi, CAFri, Jan 11, 7:55 AM PST · 15229 days ago · 5 km deep · 85 km away
37. 1.617km SSW of Bodfish, CAFri, Jan 11, 11:15 PM PST · 15228 days ago · 4 km deep · 85 km away
38. 1.517km SSW of Bodfish, CASat, Jan 12, 6:41 AM PST · 15228 days ago · 4 km deep · 85 km away
39. 2.117km S of Bodfish, CASat, Jan 12, 8:27 AM PST · 15228 days ago · 2 km deep · 85 km away
40. 1.57km SE of Wofford Heights, CAMon, Jan 14, 3:20 AM PST · 15226 days ago · 8 km deep · 100 km away
41. 2.221km N of Pine Mountain Club, CAWed, Jan 16, 1:31 PM PST · 15223 days ago · 13 km deep · 53 km away
42. 2.228km E of Porterville, CAWed, Jan 16, 11:41 PM PST · 15223 days ago · 5 km deep · 96 km away
43. 1.710km WNW of Lake Isabella, CAFri, Jan 18, 1:03 PM PST · 15221 days ago · 4 km deep · 84 km away
44. 1.521km ENE of Arvin, CAFri, Jan 18, 4:25 PM PST · 15221 days ago · 5 km deep · 78 km away
45. 1.811km NW of Pine Mountain Club, CASun, Jan 20, 3:00 PM PST · 15219 days ago · 6 km deep · 61 km away
46. 1.811 km W of Avenal, CaliforniaSun, Jan 20, 3:41 PM PST · 15219 days ago · 8 km deep · 95 km away
47. 2.43km N of Buttonwillow, CAMon, Jan 21, 3:02 PM PST · 15218 days ago · 5 km deep · 1 km away
48. 2.310km E of Oildale, CATue, Jan 22, 6:18 AM PST · 15218 days ago · 5 km deep · 50 km away
49. 1.610km N of Grapevine, CATue, Jan 22, 8:10 PM PST · 15217 days ago · 5 km deep · 67 km away
50. 2.011km S of Bodfish, CAThu, Jan 24, 8:54 AM PST · 15216 days ago · 8 km deep · 90 km away
51. 1.66km WSW of Frazier Park, CAThu, Jan 24, 2:59 PM PST · 15215 days ago · 9 km deep · 82 km away
52. 1.67 km NNW of Avenal, CaliforniaThu, Jan 24, 9:43 PM PST · 15215 days ago · 2 km deep · 93 km away
53. 2.118 km S of Avenal, CaliforniaFri, Jan 25, 12:13 AM PST · 15215 days ago · 12 km deep · 77 km away
54. 1.615km SSE of Arvin, CASun, Jan 27, 4:25 AM PST · 15213 days ago · 6 km deep · 76 km away
55. 2.313km SE of Pixley, CASun, Jan 27, 8:32 PM PST · 15212 days ago · 5 km deep · 58 km away
56. 2.39 km SSW of Huron, CaliforniaTue, Jan 29, 2:58 PM PST · 15210 days ago · 4 km deep · 97 km away

Before

1. 1.820km SW of Lamont, CATue, Dec 4, 2:08 AM PST · 15267 days ago · 12 km deep · 51 km away
2. 2.219km SW of Lamont, CATue, Dec 4, 2:07 AM PST · 15267 days ago · 13 km deep · 52 km away
3. 1.920km SW of Lamont, CATue, Dec 4, 2:05 AM PST · 15267 days ago · 13 km deep · 52 km away
4. 2.010km SSW of Arvin, CAMon, Dec 3, 11:02 PM PST · 15267 days ago · 6 km deep · 65 km away
5. 2.421km NNW of Tehachapi, CASun, Dec 2, 12:12 PM PST · 15268 days ago · 4 km deep · 85 km away
6. 1.810 km N of Avenal, CaliforniaFri, Nov 30, 8:46 AM PST · 15271 days ago · 6 km deep · 93 km away
7. 1.92km NW of Frazier Park, CAThu, Nov 29, 5:57 PM PST · 15271 days ago · 13 km deep · 81 km away
8. 2.211 km S of Huron, CaliforniaThu, Nov 29, 2:51 AM PST · 15272 days ago · 0 km deep · 92 km away
9. 2.010 km NNE of Avenal, CaliforniaThu, Nov 29, 2:37 AM PST · 15272 days ago · 3 km deep · 93 km away
10. 1.88 km NNW of Avenal, CaliforniaTue, Nov 27, 10:27 AM PST · 15274 days ago · 5 km deep · 95 km away
11. 1.610 km SSW of Huron, CaliforniaTue, Nov 27, 8:14 AM PST · 15274 days ago · 11 km deep · 97 km away
12. 1.618 km ESE of Parkfield, CaliforniaMon, Nov 26, 9:48 PM PST · 15274 days ago · 7 km deep · 83 km away
13. 1.710 km N of Avenal, CaliforniaMon, Nov 26, 12:09 PM PST · 15274 days ago · 6 km deep · 94 km away
14. 1.710 km S of Huron, CaliforniaMon, Nov 26, 4:51 AM PST · 15275 days ago · 3 km deep · 95 km away
15. 2.811 km S of Huron, CaliforniaMon, Nov 26, 1:45 AM PST · 15275 days ago · 7 km deep · 94 km away
16. 1.73 km ESE of Avenal, CaliforniaMon, Nov 26, 12:57 AM PST · 15275 days ago · 9 km deep · 84 km away
17. 2.31km ESE of Grapevine, CASun, Nov 25, 9:25 PM PST · 15275 days ago · 14 km deep · 75 km away
18. 1.68 km NNE of Avenal, CaliforniaSun, Nov 25, 2:15 PM PST · 15275 days ago · 6 km deep · 91 km away
19. 1.810 km S of Huron, CaliforniaSun, Nov 25, 1:01 PM PST · 15275 days ago · 7 km deep · 94 km away
20. 1.710 km NNE of Avenal, CaliforniaSun, Nov 25, 11:20 AM PST · 15275 days ago · 7 km deep · 92 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci56124. Read Tue, Sep 22, 2026, 6:27 AM UTC.