M2.5 earthquake 9km ENE of Pala, CA

Magnitude

2.5 (mh), micro

Local time

Sun, Apr 29, 1973, 8:02 PM PDT

UTC

1973-04-30 03:02:32 UTC

Depth

3.0 km (1.9 mi), shallow

Epicenter

33.390° N, 116.984° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 1.2 km horizontally, 3.0 km in depth

Magnitude uncertainty

±0.18

Depth from

From location

Station coverage gap

122°

Stations used

10

• Aguanga, CaliforniaPopulation 1,128. Forecast12 kmWSW
• Temecula, CaliforniaPopulation 110,003. Forecast19 kmSE
• San Diego, CaliforniaPopulation 1,404,452. Forecast77 kmNNE

After

1. 2.816km N of Borrego Springs, CASun, Apr 29, 9:01 PM PDT · 19504 days ago · 6 km deep · 58 km away
2. 2.613km E of Borrego Springs, CATue, May 1, 8:32 PM PDT · 19502 days ago · 6 km deep · 71 km away
3. 3.011km ENE of Desert Hot Springs, CAWed, May 2, 12:25 PM PDT · 19501 days ago · 0 km deep · 86 km away
4. 1.72km WSW of Fountain Valley, CAThu, May 3, 8:58 AM PDT · 19500 days ago · 9 km deep · 98 km away
5. 1.70km NW of Loma Linda, CAThu, May 3, 2:22 PM PDT · 19500 days ago · 6 km deep · 78 km away
6. 2.313km E of Borrego Springs, CASun, May 6, 1:52 AM PDT · 19498 days ago · 6 km deep · 71 km away
7. 2.810km NE of Julian, CASun, May 6, 8:18 PM PDT · 19497 days ago · 6 km deep · 52 km away
8. 1.73km SSE of Ontario, CATue, May 8, 1:08 AM PDT · 19496 days ago · 6 km deep · 92 km away
9. 2.511km NE of Indio, CATue, May 8, 6:57 AM PDT · 19495 days ago · 4 km deep · 91 km away
10. 2.916km NE of Borrego Springs, CAThu, May 10, 6:30 AM PDT · 19493 days ago · 6 km deep · 66 km away
11. 1.76km WNW of Mira Loma, CAThu, May 10, 6:51 AM PDT · 19493 days ago · 6 km deep · 88 km away
12. 2.24km SSW of Idyllwild, CAMon, May 14, 9:56 PM PDT · 19489 days ago · 6 km deep · 42 km away
13. 2.04km WSW of Pine Valley, CATue, May 15, 5:22 PM PDT · 19488 days ago · 5 km deep · 75 km away
14. 2.621km NNW of Borrego Springs, CAThu, May 17, 4:30 AM PDT · 19486 days ago · 2 km deep · 51 km away
15. 1.76km SSE of Loma Linda, CAThu, May 17, 11:35 PM PDT · 19486 days ago · 6 km deep · 72 km away
16. 3.26km W of Calimesa, CAThu, May 17, 11:35 PM PDT · 19486 days ago · 10 km deep · 67 km away
17. 2.57km N of Anza, CAFri, May 18, 5:24 PM PDT · 19485 days ago · 16 km deep · 39 km away
18. 2.45km E of Cabazon, CASun, May 20, 10:50 AM PDT · 19483 days ago · 6 km deep · 63 km away
19. 2.010km NE of Aguanga, CATue, May 22, 2:22 AM PDT · 19482 days ago · 6 km deep · 22 km away
20. 2.34km N of Foothill Ranch, CATue, May 22, 5:13 AM PDT · 19481 days ago · 6 km deep · 73 km away
21. 1.77km NE of North Tustin, CATue, May 22, 5:24 AM PDT · 19481 days ago · 3 km deep · 83 km away
22. 2.11km WNW of Lake Arrowhead, CAWed, May 23, 12:47 AM PDT · 19481 days ago · 6 km deep · 98 km away
23. 2.77km S of Idyllwild, CAWed, May 23, 10:20 AM PDT · 19480 days ago · 5 km deep · 40 km away
24. 2.89km SW of Idyllwild, CAFri, May 25, 1:09 PM PDT · 19478 days ago · 6 km deep · 38 km away
25. 2.410km NE of Aguanga, CAFri, May 25, 2:21 PM PDT · 19478 days ago · 6 km deep · 23 km away
26. 1.74km SE of Ontario, CAFri, May 25, 3:56 PM PDT · 19478 days ago · 7 km deep · 91 km away
27. 3.122km SW of Ocotillo Wells, CASun, May 27, 1:22 PM PDT · 19476 days ago · 6 km deep · 81 km away
28. 3.010km ENE of Borrego Springs, CAMon, May 28, 8:42 AM PDT · 19475 days ago · 6 km deep · 67 km away
29. 3.020km SSW of Ocotillo Wells, CAWed, May 30, 2:40 AM PDT · 19473 days ago · 7 km deep · 81 km away
30. 2.22km SSW of Fontana, CAWed, May 30, 12:53 PM PDT · 19473 days ago · 10 km deep · 89 km away
31. 2.712km E of Borrego Springs, CAThu, May 31, 6:01 PM PDT · 19472 days ago · 6 km deep · 70 km away
32. 1.710km SW of Mead Valley, CASat, Jun 2, 10:07 AM PDT · 19470 days ago · 6 km deep · 57 km away
33. 1.72km NE of Costa Mesa, CATue, Jun 5, 9:19 PM PDT · 19467 days ago · 9 km deep · 91 km away
34. 1.72km NNW of Villa Park, CAThu, Jun 7, 12:23 AM PDT · 19466 days ago · 7 km deep · 92 km away
35. 2.25km E of Villa Park, CAThu, Jun 7, 4:04 PM PDT · 19465 days ago · 6 km deep · 85 km away
36. 2.64km W of Calimesa, CASat, Jun 9, 5:10 AM PDT · 19463 days ago · 5 km deep · 68 km away
37. 2.56km WNW of Mira Loma, CAFri, Jun 15, 12:42 PM PDT · 19457 days ago · 3 km deep · 88 km away
38. 3.322km SSW of Ocotillo Wells, CASat, Jun 16, 10:40 AM PDT · 19456 days ago · 16 km deep · 83 km away
39. 3.834km W of La Jolla, CATue, Jun 19, 3:26 AM PDT · 19453 days ago · 6 km deep · 85 km away
40. 3.032km W of La Jolla, CATue, Jun 19, 3:50 AM PDT · 19453 days ago · 6 km deep · 83 km away
41. 2.88km NE of Borrego Springs, CATue, Jun 19, 10:32 PM PDT · 19453 days ago · 6 km deep · 64 km away
42. 3.18km SSW of Cabazon, CAMon, Jun 25, 5:39 AM PDT · 19447 days ago · 19 km deep · 54 km away
43. 2.810km NNE of Cabazon, CATue, Jun 26, 4:37 PM PDT · 19446 days ago · 6 km deep · 72 km away
44. 2.314km E of Desert Hot Springs, CAWed, Jun 27, 9:28 AM PDT · 19445 days ago · 6 km deep · 87 km away
45. 3.011km NE of Ocotillo Wells, CAWed, Jun 27, 4:31 PM PDT · 19445 days ago · 6 km deep · 89 km away

Before

1. 1.75km NNE of Fontana, CASun, Apr 29, 1:38 PM PDT · 19504 days ago · 9 km deep · 93 km away
2. 1.77km ESE of Moreno Valley, CASat, Apr 28, 12:57 PM PST · 19505 days ago · 13 km deep · 60 km away
3. 1.72km SW of Grand Terrace, CATue, Apr 24, 9:01 PM PST · 19509 days ago · 5 km deep · 77 km away
4. 2.611km ESE of Running Springs, CAMon, Apr 23, 1:04 PM PST · 19510 days ago · 0 km deep · 86 km away
5. 2.43km S of Lake Arrowhead, CASun, Apr 22, 11:10 PM PST · 19511 days ago · 2 km deep · 94 km away
6. 2.43km SSE of Lake Arrowhead, CASun, Apr 22, 8:15 AM PST · 19511 days ago · 2 km deep · 94 km away
7. 2.68km E of Borrego Springs, CAMon, Apr 16, 4:52 AM PST · 19517 days ago · 6 km deep · 66 km away
8. 3.02km WNW of Chula Vista, CASat, Apr 14, 7:18 PM PST · 19519 days ago · 3 km deep · 84 km away
9. 1.75km SSW of Huntington Beach, CASat, Apr 14, 1:17 AM PST · 19520 days ago · 6 km deep · 100 km away
10. 1.75km E of Villa Park, CAThu, Apr 12, 4:25 PM PST · 19521 days ago · 5 km deep · 86 km away
11. 2.81km WSW of Fontana, CAWed, Apr 11, 12:00 AM PST · 19523 days ago · 5 km deep · 90 km away
12. 1.77km WSW of Devore, CATue, Apr 10, 3:04 AM PST · 19523 days ago · 7 km deep · 100 km away
13. 2.310km SE of Anza, CAFri, Apr 6, 11:43 PM PST · 19527 days ago · 6 km deep · 36 km away
14. 1.73km NE of Costa Mesa, CAFri, Apr 6, 3:05 AM PST · 19527 days ago · 8 km deep · 90 km away
15. 2.79km WSW of Morongo Valley, CAThu, Apr 5, 3:13 AM PST · 19528 days ago · 6 km deep · 74 km away
16. 1.73km SSW of San Bernardino, CATue, Apr 3, 9:32 PM PST · 19530 days ago · 5 km deep · 85 km away
17. 2.45km ESE of Running Springs, CAFri, Mar 30, 10:11 PM PST · 19534 days ago · 7 km deep · 89 km away
18. 2.43km SSW of Loma Linda, CAFri, Mar 30, 7:51 PM PST · 19534 days ago · 4 km deep · 75 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci3320103. Read Tue, Sep 22, 2026, 9:02 PM UTC.