M2.3 earthquake 5km NNE of Anza, CA

Magnitude

2.3 (Mh), micro

Magnitude from

Southern California Seismic Network

Local time

Tue, Nov 28, 1972, 5:15 AM PST

UTC

1972-11-28 13:15:31 UTC

Depth

6.0 km (3.7 mi), shallow

Epicenter

33.593° N, 116.650° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 1.1 km horizontally, 31.6 km in depth

Magnitude uncertainty

±0.07

Depth from

Operator assigned

Station coverage gap

105°

Stations used

7

• Anza, CaliforniaPopulation 3,014. Forecast5 kmNNE
• Cathedral City, CaliforniaPopulation 53,826. Forecast27 kmSW
• Temecula, CaliforniaPopulation 110,003. Forecast47 kmENE
• San Diego, CaliforniaPopulation 1,404,452. Forecast109 kmNNE

After

1. 3.05km NNE of Anza, CATue, Nov 28, 8:18 AM PST · 19669 days ago · 6 km deep · 1 km away
2. 3.310km SW of Salton City, CASun, Dec 3, 7:02 PM PST · 19663 days ago · 6 km deep · 69 km away
3. 1.95km ESE of Ontario, CASun, Dec 10, 1:59 AM PST · 19657 days ago · 7 km deep · 99 km away
4. 2.04km SE of Ontario, CASun, Dec 10, 3:14 AM PST · 19657 days ago · 10 km deep · 100 km away
5. 1.73km NNE of Fontana, CAFri, Dec 15, 3:29 AM PST · 19652 days ago · 6 km deep · 94 km away
6. 3.212km NNE of Ocotillo Wells, CASun, Dec 17, 9:52 PM PST · 19649 days ago · 6 km deep · 65 km away
7. 2.118km S of Twentynine Palms, CATue, Dec 19, 2:31 PM PST · 19647 days ago · 0 km deep · 70 km away
8. 3.520km S of Twentynine Palms, CATue, Dec 19, 2:32 PM PST · 19647 days ago · 0 km deep · 65 km away
9. 3.618km WNW of Morongo Valley, CAFri, Dec 22, 3:28 AM PST · 19645 days ago · 6 km deep · 57 km away
10. 1.77km SSE of Home Gardens, CASun, Dec 24, 9:23 AM PST · 19643 days ago · 6 km deep · 82 km away
11. 3.015km ESE of Anza, CAThu, Dec 28, 11:49 AM PST · 19639 days ago · 5 km deep · 16 km away
12. 3.215km ESE of Anza, CAThu, Dec 28, 12:07 PM PST · 19638 days ago · 6 km deep · 16 km away
13. 3.01km SSW of Lakeland Village, CAMon, Jan 1, 6:45 PM PST · 19634 days ago · 6 km deep · 65 km away
14. 1.77km SSW of Redlands, CAWed, Jan 3, 7:37 PM PST · 19632 days ago · 7 km deep · 69 km away
15. 1.72km E of Wildomar, CAMon, Jan 8, 3:50 PM PST · 19627 days ago · 6 km deep · 57 km away
16. 1.75km WNW of Mira Loma, CATue, Jan 9, 10:09 PM PST · 19626 days ago · 19 km deep · 97 km away
17. 3.322km ESE of Anza, CASat, Jan 13, 10:46 AM PST · 19623 days ago · 5 km deep · 22 km away
18. 2.622km ESE of Anza, CASat, Jan 13, 11:36 AM PST · 19623 days ago · 5 km deep · 22 km away
19. 2.822km ESE of Anza, CASat, Jan 13, 1:37 PM PST · 19622 days ago · 9 km deep · 22 km away
20. 2.722km ESE of Anza, CASat, Jan 13, 1:38 PM PST · 19622 days ago · 6 km deep · 23 km away
21. 1.714km ENE of Yucaipa, CASat, Jan 13, 10:53 PM PST · 19622 days ago · 6 km deep · 57 km away
22. 2.23km NNW of Fontana, CATue, Jan 16, 5:38 AM PST · 19620 days ago · 7 km deep · 96 km away
23. 1.77km N of Fontana, CATue, Jan 16, 2:44 PM PST · 19619 days ago · 6 km deep · 98 km away
24. 2.46km W of Mira Loma, CAThu, Jan 18, 11:21 AM PST · 19618 days ago · 3 km deep · 97 km away
25. 3.012km E of Borrego Springs, CAMon, Jan 22, 2:24 AM PST · 19614 days ago · 6 km deep · 54 km away
26. 1.73km NNW of Colton, CAMon, Jan 22, 5:28 AM PST · 19614 days ago · 6 km deep · 84 km away
27. 2.97km N of Borrego Springs, CAMon, Jan 22, 10:30 PM PST · 19613 days ago · 6 km deep · 40 km away
28. 1.74km NNE of Fontana, CATue, Jan 23, 1:01 PM PST · 19612 days ago · 5 km deep · 95 km away
29. 2.29km W of Pine Valley, CATue, Jan 23, 4:41 PM PST · 19612 days ago · 3 km deep · 87 km away
30. 2.26km WSW of Pine Valley, CATue, Jan 23, 5:41 PM PST · 19612 days ago · 5 km deep · 88 km away
31. 2.913km SE of Pine Valley, CAThu, Jan 25, 4:34 PM PST · 19610 days ago · 0 km deep · 97 km away
32. 1.74km SSW of Redlands, CASat, Jan 27, 1:00 AM PST · 19609 days ago · 2 km deep · 69 km away

Before

1. 2.22km WSW of Pine Valley, CAMon, Nov 27, 5:13 PM PST · 19669 days ago · 9 km deep · 88 km away
2. 2.79km WNW of Big Bear Lake, CASat, Nov 25, 10:57 PM PST · 19671 days ago · 2 km deep · 83 km away
3. 3.47km SE of Chino, CAFri, Nov 24, 11:07 PM PST · 19672 days ago · 0 km deep · 100 km away
4. 2.26km WSW of Pine Valley, CAWed, Nov 22, 6:32 PM PST · 19674 days ago · 4 km deep · 88 km away
5. 2.313km SE of Pine Valley, CAWed, Nov 22, 4:37 PM PST · 19674 days ago · 6 km deep · 97 km away
6. 2.89km N of Cabazon, CATue, Nov 21, 6:21 PM PST · 19675 days ago · 6 km deep · 47 km away
7. 2.819km N of Cabazon, CATue, Nov 21, 1:27 AM PST · 19676 days ago · 6 km deep · 56 km away
8. 2.42km WSW of Loma Linda, CASun, Nov 19, 10:56 PM PST · 19677 days ago · 15 km deep · 77 km away
9. 3.510km N of Cabazon, CASat, Nov 18, 7:08 AM PST · 19679 days ago · 6 km deep · 48 km away
10. 3.011km NNE of Trabuco Canyon, CAThu, Nov 16, 1:53 PM PST · 19680 days ago · 0 km deep · 83 km away
11. 2.27km SSE of Ontario, CAWed, Nov 15, 11:14 PM PST · 19681 days ago · 0 km deep · 100 km away
12. 3.016km ENE of Thousand Palms, CATue, Nov 14, 5:10 PM PST · 19682 days ago · 2 km deep · 50 km away
13. 1.71km ESE of Colton, CAMon, Nov 13, 7:18 AM PST · 19684 days ago · 6 km deep · 80 km away
14. 1.73km NNE of Loma Linda, CAMon, Nov 13, 7:03 AM PST · 19684 days ago · 6 km deep · 77 km away
15. 3.49km NNE of Beaumont, CAFri, Nov 10, 1:02 PM PST · 19686 days ago · 15 km deep · 52 km away
16. 2.33km NNW of Lake Henshaw, CAThu, Nov 9, 1:06 PM PST · 19687 days ago · 8 km deep · 38 km away
17. 2.826km WSW of Westmorland, CAWed, Nov 8, 9:24 PM PST · 19688 days ago · 6 km deep · 98 km away
18. 1.74km NNE of Fontana, CATue, Nov 7, 2:14 AM PST · 19690 days ago · 6 km deep · 95 km away
19. 3.24km S of Idyllwild, CAFri, Nov 3, 11:16 PM PST · 19693 days ago · 6 km deep · 14 km away
20. 2.63km WNW of Moreno Valley, CATue, Oct 31, 5:27 AM PST · 19697 days ago · 13 km deep · 68 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci3320554. Read Mon, Oct 5, 2026, 7:27 AM UTC.