M2.5 earthquake 12 km SE of Walker, California

Magnitude

2.5 (md), micro

Local time

Mon, Jan 19, 1987, 1:00 PM PST

UTC

1987-01-19 21:00:20 UTC

Depth

0.9 km (0.6 mi), shallow

Epicenter

38.438° N, 119.372° 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

±0.17

Depth from

From location

Station coverage gap

92°

Stations used

16

• Walker, CaliforniaPopulation 721. Forecast13 kmSE
• Gardnerville Ranchos, NevadaPopulation 11,312. Forecast59 kmSSE
• Reno, NevadaPopulation 264,165. Forecast127 kmSSE
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast498 kmNNW

After

1. 1.94 km WSW of Mammoth Lakes, CaliforniaMon, Jan 19, 10:12 PM PST · 14490 days ago · 2 km deep · 95 km away
2. 1.7California-Nevada border regionTue, Jan 20, 5:40 PM PST · 14490 days ago · 4 km deep · 51 km away
3. 1.84 km WSW of Mammoth Lakes, CaliforniaThu, Jan 22, 10:18 AM PST · 14488 days ago · 3 km deep · 96 km away
4. 2.120 km ENE of Mono City, CaliforniaFri, Jan 23, 3:50 PM PST · 14487 days ago · 2 km deep · 51 km away
5. 1.98 km NE of Mono City, CaliforniaSat, Jan 24, 6:00 AM PST · 14486 days ago · 12 km deep · 47 km away
6. 2.119 km ENE of Mono City, CaliforniaSat, Jan 24, 7:18 PM PST · 14486 days ago · 5 km deep · 51 km away
7. 2.019 km ENE of Mono City, CaliforniaSun, Jan 25, 11:28 AM PST · 14485 days ago · 7 km deep · 52 km away
8. 1.527 km E of Mono City, CaliforniaSun, Jan 25, 11:40 AM PST · 14485 days ago · 4 km deep · 63 km away
9. 1.918 km ENE of Mono City, CaliforniaMon, Jan 26, 12:51 AM PST · 14484 days ago · 2 km deep · 51 km away
10. 2.120 km ENE of Mono City, CaliforniaMon, Jan 26, 10:04 AM PST · 14484 days ago · 6 km deep · 52 km away
11. 1.819 km ENE of Mono City, CaliforniaMon, Jan 26, 10:57 PM PST · 14483 days ago · 2 km deep · 51 km away
12. 1.5California-Nevada border regionTue, Jan 27, 3:42 AM PST · 14483 days ago · 3 km deep · 96 km away
13. 1.920 km ENE of Mono City, CaliforniaWed, Jan 28, 12:19 PM PST · 14482 days ago · 5 km deep · 52 km away
14. 1.613 km WSW of Benton, CaliforniaThu, Jan 29, 3:39 PM PST · 14481 days ago · -2 km deep · 99 km away
15. 1.926 km E of Mono City, CAThu, Jan 29, 6:16 PM PST · 14481 days ago · 11 km deep · 62 km away
16. 1.718 km NW of Benton, CaliforniaFri, Jan 30, 9:27 AM PST · 14480 days ago · 0 km deep · 86 km away
17. 2.04 km NNE of Greeley Hill, CaliforniaFri, Jan 30, 11:17 AM PST · 14480 days ago · 29 km deep · 98 km away
18. 1.51 km S of Mammoth Lakes, CaliforniaFri, Jan 30, 8:56 PM PST · 14480 days ago · 6 km deep · 96 km away
19. 1.920 km ENE of Mono City, CaliforniaSat, Jan 31, 12:06 AM PST · 14479 days ago · 8 km deep · 53 km away
20. 2.03 km E of Forest Meadows, CaliforniaSat, Feb 7, 6:32 AM PST · 14472 days ago · 22 km deep · 92 km away
21. 1.930 km ENE of Lee Vining, CaliforniaSat, Feb 7, 11:33 AM PST · 14472 days ago · 2 km deep · 67 km away
22. 1.530 km ENE of Lee Vining, CaliforniaWed, Feb 11, 9:16 AM PST · 14468 days ago · 2 km deep · 67 km away
23. 1.623 km E of Mono City, CaliforniaWed, Feb 11, 11:55 AM PST · 14468 days ago · 2 km deep · 61 km away
24. 1.511 km E of Mammoth Lakes, CaliforniaWed, Feb 11, 11:17 PM PST · 14467 days ago · 5 km deep · 99 km away
25. 2.215 km ENE of Yosemite Valley, CaliforniaMon, Feb 16, 9:18 AM PST · 14463 days ago · 24 km deep · 73 km away
26. 2.25 km SSW of Markleeville, CaliforniaWed, Feb 18, 5:58 PM PST · 14461 days ago · -2 km deep · 43 km away
27. 1.830 km NW of Benton, CaliforniaFri, Feb 20, 2:10 AM PST · 14459 days ago · 7 km deep · 74 km away
28. 2.97 km S of Bridgeport, CaliforniaMon, Feb 23, 4:48 PM PST · 14456 days ago · 7 km deep · 30 km away
29. 2.35 km SSE of Markleeville, CaliforniaTue, Feb 24, 11:17 PM PST · 14454 days ago · 5 km deep · 41 km away
30. 1.736 km E of Mono City, CaliforniaSun, Mar 1, 2:02 PM PST · 14450 days ago · 1 km deep · 68 km away
31. 2.033 km ENE of Lee Vining, CaliforniaMon, Mar 2, 7:25 AM PST · 14449 days ago · 9 km deep · 70 km away
32. 1.820 km SE of Yosemite Valley, CaliforniaTue, Mar 3, 2:57 PM PST · 14448 days ago · 4 km deep · 90 km away
33. 1.817 km SE of Yosemite Valley, CaliforniaSat, Mar 7, 1:26 PM PST · 14444 days ago · -2 km deep · 89 km away
34. 2.023 km ESE of Yosemite Valley, CaliforniaFri, Mar 13, 11:41 AM PST · 14438 days ago · 21 km deep · 89 km away
35. 2.315 km ESE of Yosemite Valley, CaliforniaFri, Mar 13, 11:00 PM PST · 14437 days ago · 27 km deep · 83 km away
36. 1.88 km NNW of Benton, CaliforniaSat, Mar 14, 5:18 AM PST · 14437 days ago · 3 km deep · 97 km away
37. 1.720 km ENE of Mono City, CaliforniaSat, Mar 14, 5:57 AM PST · 14437 days ago · 4 km deep · 52 km away
38. 1.58 km NNW of Benton, CaliforniaSat, Mar 14, 7:40 AM PST · 14437 days ago · 1 km deep · 97 km away
39. 1.67 km ESE of Mammoth Lakes, CaliforniaSun, Mar 15, 1:17 AM PST · 14436 days ago · 3 km deep · 100 km away
40. 1.812 km ESE of Kirkwood, CaliforniaSun, Mar 15, 12:04 PM PST · 14436 days ago · -1 km deep · 55 km away
41. 2.018 km ESE of Walker, CaliforniaTue, Mar 17, 8:48 AM PST · 14434 days ago · 0 km deep · 6 km away
42. 1.713 km NNW of Benton, CaliforniaTue, Mar 17, 10:04 AM PST · 14434 days ago · 5 km deep · 92 km away
43. 1.84 km E of Mammoth Lakes, CaliforniaThu, Mar 19, 4:36 PM PST · 14432 days ago · 7 km deep · 96 km away
44. 1.919 km ENE of Mono City, CaliforniaFri, Mar 20, 12:07 AM PST · 14431 days ago · 7 km deep · 53 km away
45. 3.710 km SSE of Walker, CaliforniaFri, Mar 20, 7:45 AM PST · 14431 days ago · 3 km deep · 5 km away

Before

1. 1.920 km ESE of Yosemite Valley, CaliforniaSat, Jan 17, 11:06 PM PST · 14492 days ago · 5 km deep · 89 km away
2. 1.831 km E of Mono City, CaliforniaWed, Jan 14, 6:58 PM PST · 14496 days ago · 3 km deep · 66 km away
3. 1.67 km WSW of Mammoth Lakes, CaliforniaWed, Jan 14, 1:49 PM PST · 14496 days ago · 3 km deep · 96 km away
4. 1.533 km NNW of Benton, CaliforniaWed, Jan 14, 12:05 AM PST · 14496 days ago · 3 km deep · 72 km away
5. 1.530 km NNW of Benton, CaliforniaTue, Jan 13, 7:21 PM PST · 14497 days ago · 2 km deep · 75 km away
6. 2.033 km NNW of Benton, CaliforniaTue, Jan 13, 12:41 PM PST · 14497 days ago · 3 km deep · 73 km away
7. 2.67 km WSW of Mammoth Lakes, CaliforniaTue, Jan 13, 9:07 AM PST · 14497 days ago · 3 km deep · 96 km away
8. 1.925 km NW of Benton, CaliforniaMon, Jan 12, 6:33 AM PST · 14498 days ago · 3 km deep · 79 km away
9. 1.628 km E of Mono City, CaliforniaSat, Jan 10, 2:23 PM PST · 14500 days ago · 8 km deep · 62 km away
10. 1.925 km E of Mono City, CaliforniaSat, Jan 10, 3:07 AM PST · 14500 days ago · 5 km deep · 60 km away
11. 2.44 km E of Buck Meadows, CaliforniaThu, Jan 8, 12:15 PM PST · 14502 days ago · 27 km deep · 89 km away
12. 1.718 km ENE of Mono City, CaliforniaSun, Jan 4, 11:39 PM PST · 14505 days ago · 6 km deep · 52 km away
13. 1.819 km ESE of Yosemite Valley, CaliforniaWed, Dec 31, 8:48 PM PST · 14510 days ago · 4 km deep · 86 km away
14. 1.913 km WNW of Benton, CaliforniaWed, Dec 31, 6:47 AM PST · 14510 days ago · 2 km deep · 91 km away
15. 1.919 km ENE of Mono City, CaliforniaTue, Dec 30, 8:39 PM PST · 14511 days ago · 4 km deep · 52 km away
16. 2.118 km ENE of Mono City, CaliforniaSun, Dec 28, 8:37 PM PST · 14513 days ago · 4 km deep · 52 km away
17. 1.517 km ENE of Mono City, CaliforniaSun, Dec 28, 9:50 AM PST · 14513 days ago · 6 km deep · 52 km away
18. 2.218 km NNW of Bridgeport, CaliforniaSat, Dec 27, 10:15 PM PST · 14513 days ago · 2 km deep · 7 km away
19. 2.519 km ENE of Mono City, CaliforniaSat, Dec 27, 9:50 PM PST · 14513 days ago · 3 km deep · 52 km away
20. 2.120 km ENE of Mono City, CaliforniaSat, Dec 27, 6:04 PM PST · 14514 days ago · 7 km deep · 53 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc92842. Read Tue, Sep 22, 2026, 5:16 PM UTC.