M2.5 earthquake 42km E of Big Pine, CA

Magnitude

2.5 (mc), micro

Local time

Mon, Jul 27, 1981, 9:36 AM PDT

UTC

1981-07-27 16:36:53 UTC

Depth

4.0 km (2.5 mi), shallow

Epicenter

37.199° N, 117.823° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Depth from

Operator assigned

Station coverage gap

258°, poorly surrounded by stations

Stations used

0

• Big Pine, CaliforniaPopulation 1,756. Forecast42 kmE
• Exeter, CaliforniaPopulation 10,548. Forecast155 kmNE
• Visalia, CaliforniaPopulation 130,104. Forecast163 kmNE
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast352 kmN

After

1. 1.715km ESE of Mammoth Lakes, CAThu, Jul 30, 1:31 AM PDT · 16492 days ago · 4 km deep · 98 km away
2. 1.522km SE of Mammoth Lakes, CAThu, Jul 30, 8:04 AM PDT · 16491 days ago · 4 km deep · 92 km away
3. 1.524km SSE of Mammoth Lakes, CASun, Aug 2, 1:56 PM PDT · 16488 days ago · 4 km deep · 93 km away
4. 2.811 km W of Aspen Springs, CaliforniaSun, Aug 2, 2:51 PM PDT · 16488 days ago · 9 km deep · 99 km away
5. 1.515km ESE of Mammoth Lakes, CAWed, Aug 5, 4:14 AM PDT · 16485 days ago · 4 km deep · 99 km away
6. 1.619km SE of Mammoth Lakes, CAWed, Aug 5, 9:02 AM PDT · 16485 days ago · 4 km deep · 96 km away
7. 3.610 km WSW of Aspen Springs, CaliforniaThu, Aug 6, 3:31 PM PDT · 16484 days ago · 9 km deep · 96 km away
8. 1.517km SE of Mammoth Lakes, CASun, Aug 9, 2:42 AM PDT · 16481 days ago · 5 km deep · 98 km away
9. 2.56 km SW of Aspen Springs, CaliforniaSun, Aug 9, 7:22 AM PDT · 16481 days ago · 5 km deep · 90 km away
10. 2.138km NE of Dixon Lane-Meadow Creek, CASun, Aug 9, 9:09 AM PDT · 16481 days ago · 4 km deep · 60 km away
11. 1.626km NW of West Bishop, CATue, Aug 11, 9:47 AM PDT · 16479 days ago · 4 km deep · 84 km away
12. 2.9California-Nevada border regionWed, Aug 12, 4:30 PM PDT · 16478 days ago · 6 km deep · 89 km away
13. 2.910 km SW of Aspen Springs, CaliforniaFri, Aug 14, 12:19 AM PDT · 16477 days ago · 14 km deep · 92 km away
14. 1.99km NE of Bishop, CAFri, Aug 14, 3:03 PM PDT · 16476 days ago · 4 km deep · 51 km away
15. 1.68km SE of Independence, CAFri, Aug 14, 9:02 PM PDT · 16476 days ago · 5 km deep · 56 km away
16. 1.565km ENE of Bishop, CASat, Aug 15, 12:47 AM PDT · 16476 days ago · 4 km deep · 35 km away
17. 1.82 km ENE of Mesa, CaliforniaSat, Aug 15, 7:13 AM PDT · 16475 days ago · 1 km deep · 67 km away
18. 1.614km ENE of Big Pine, CASun, Aug 16, 1:24 PM PDT · 16474 days ago · 4 km deep · 28 km away
19. 1.622km E of Mammoth Lakes, CASun, Aug 16, 5:15 PM PDT · 16474 days ago · 4 km deep · 92 km away
20. 1.618km SSE of Mammoth Lakes, CATue, Aug 18, 4:50 AM PDT · 16472 days ago · 4 km deep · 98 km away
21. 1.623km SE of Mammoth Lakes, CAFri, Aug 21, 3:19 AM PDT · 16469 days ago · 4 km deep · 92 km away
22. 1.555km NNE of Dixon Lane-Meadow Creek, CASat, Aug 22, 10:11 AM PDT · 16468 days ago · 4 km deep · 80 km away
23. 1.718km ENE of Mammoth Lakes, CASat, Aug 22, 4:01 PM PDT · 16468 days ago · 4 km deep · 99 km away
24. 3.022 km NNE of Silver Peak, NevadaSat, Aug 22, 9:32 PM PDT · 16468 days ago · 6 km deep · 87 km away
25. 1.622km E of Mammoth Lakes, CASun, Aug 23, 3:35 AM PDT · 16467 days ago · 4 km deep · 93 km away
26. 1.923km SE of Mammoth Lakes, CAMon, Aug 24, 9:28 AM PDT · 16466 days ago · 4 km deep · 91 km away
27. 1.614km E of Mammoth Lakes, CAMon, Aug 24, 7:59 PM PDT · 16466 days ago · 4 km deep · 100 km away
28. 1.77km NW of Olancha, CAMon, Aug 24, 9:36 PM PDT · 16466 days ago · 5 km deep · 100 km away
29. 1.622km ESE of Mammoth Lakes, CASun, Aug 30, 10:53 AM PDT · 16460 days ago · 4 km deep · 91 km away
30. 2.9California-Nevada border regionTue, Sep 1, 6:43 AM PDT · 16458 days ago · 6 km deep · 97 km away
31. 1.530km ENE of Mammoth Lakes, CATue, Sep 1, 7:04 PM PDT · 16458 days ago · 4 km deep · 99 km away
32. 2.215km SE of Mammoth Lakes, CASat, Sep 5, 11:40 PM PDT · 16454 days ago · 5 km deep · 99 km away
33. 1.626km SE of Mammoth Lakes, CATue, Sep 8, 8:56 AM PDT · 16451 days ago · 4 km deep · 91 km away
34. 1.710 km W of Aspen Springs, CaliforniaMon, Sep 14, 11:56 AM PDT · 16445 days ago · 4 km deep · 97 km away
35. 1.910 km WNW of Aspen Springs, CaliforniaThu, Sep 17, 4:32 AM PDT · 16442 days ago · 3 km deep · 99 km away
36. 3.712 km W of Aspen Springs, CaliforniaThu, Sep 17, 5:36 AM PDT · 16442 days ago · 8 km deep · 99 km away
37. 1.79km WNW of Olancha, CASat, Sep 19, 12:17 AM PDT · 16441 days ago · 5 km deep · 100 km away
38. 2.410km E of Lone Pine, CASun, Sep 20, 6:30 AM PDT · 16439 days ago · 5 km deep · 71 km away
39. 2.418km SE of Mammoth Lakes, CASun, Sep 20, 11:08 AM PDT · 16439 days ago · 5 km deep · 97 km away
40. 3.312 km WSW of Aspen Springs, CaliforniaSun, Sep 20, 4:39 PM PDT · 16439 days ago · 7 km deep · 96 km away
41. 1.630km WSW of Tonopah, NVSun, Sep 20, 11:19 PM PDT · 16439 days ago · 4 km deep · 89 km away
42. 2.91 km WNW of Swall Meadows, CaliforniaThu, Sep 24, 4:36 AM PDT · 16435 days ago · 8 km deep · 82 km away
43. 1.540km ENE of Mammoth Lakes, CAThu, Sep 24, 3:08 PM PDT · 16435 days ago · 4 km deep · 87 km away
44. 2.260km NNE of Dixon Lane-Meadow Creek, CAThu, Sep 24, 4:01 PM PDT · 16435 days ago · 4 km deep · 89 km away
45. 2.711 km W of Aspen Springs, CaliforniaThu, Sep 24, 7:42 PM PDT · 16435 days ago · 8 km deep · 99 km away
46. 3.813 km W of Aspen Springs, CaliforniaThu, Sep 24, 11:48 PM PDT · 16435 days ago · 9 km deep · 100 km away

Before

1. 2.547km NE of Dixon Lane-Meadow Creek, CASun, Jul 26, 2:23 PM PDT · 16495 days ago · 4 km deep · 52 km away
2. 2.26km NE of Dixon Lane-Meadow Creek, CASun, Jul 26, 2:20 PM PDT · 16495 days ago · 4 km deep · 54 km away
3. 1.517km SSE of Mammoth Lakes, CAFri, Jul 24, 10:53 PM PDT · 16497 days ago · 5 km deep · 100 km away
4. 1.560km ENE of Big Pine, CAFri, Jul 24, 10:29 AM PDT · 16497 days ago · -2 km deep · 24 km away
5. 3.058km ENE of Big Pine, CAFri, Jul 24, 5:02 AM PDT · 16497 days ago · 4 km deep · 22 km away
6. 1.622km SE of Mammoth Lakes, CAThu, Jul 23, 10:51 PM PDT · 16498 days ago · 4 km deep · 93 km away
7. 2.738km NW of Beatty, NVTue, Jul 21, 9:08 PM PDT · 16500 days ago · 4 km deep · 73 km away
8. 2.515km SE of Lone Pine, CATue, Jul 21, 10:09 AM PDT · 16500 days ago · 1 km deep · 79 km away
9. 1.89km ESE of Bishop, CAMon, Jul 20, 8:26 AM PDT · 16501 days ago · 4 km deep · 45 km away
10. 1.615km ESE of Mammoth Lakes, CASat, Jul 18, 2:33 AM PDT · 16503 days ago · 4 km deep · 98 km away
11. 1.617km ESE of Mammoth Lakes, CAFri, Jul 17, 3:06 AM PDT · 16504 days ago · 4 km deep · 96 km away
12. 1.637km W of Tonopah, NVThu, Jul 16, 2:50 PM PDT · 16505 days ago · 4 km deep · 100 km away
13. 2.510 km W of Aspen Springs, CaliforniaWed, Jul 15, 9:36 PM PDT · 16506 days ago · 9 km deep · 97 km away
14. 1.667km NNE of Dixon Lane-Meadow Creek, CAWed, Jul 15, 12:38 PM PDT · 16506 days ago · 4 km deep · 92 km away
15. 2.74 km WSW of Aspen Springs, CaliforniaWed, Jul 15, 9:55 AM PDT · 16506 days ago · 5 km deep · 91 km away
16. 1.563km NE of Dixon Lane-Meadow Creek, CAWed, Jul 15, 4:12 AM PDT · 16506 days ago · 4 km deep · 71 km away
17. 1.968km NNE of Dixon Lane-Meadow Creek, CATue, Jul 14, 11:09 AM PDT · 16507 days ago · 4 km deep · 93 km away
18. 1.820km SE of Mammoth Lakes, CATue, Jul 14, 10:50 AM PDT · 16507 days ago · 4 km deep · 95 km away
19. 1.613km ESE of Mammoth Lakes, CASat, Jul 11, 10:12 PM PDT · 16510 days ago · 4 km deep · 100 km away
20. 1.530km NNW of Beatty, NVSat, Jul 11, 7:42 PM PDT · 16510 days ago · 4 km deep · 78 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci520139. Read Wed, Sep 23, 2026, 8:05 PM UTC.