M2.7 earthquake 9km WNW of Boron, CA

Magnitude

2.7 (ML, local (Richter)), micro

Magnitude from

Southern California Seismic Network

Local time

Wed, Jul 21, 1971, 11:04 PM PDT

UTC

1971-07-22 06:04:20 UTC

Depth

6.0 km (3.7 mi), shallow

Epicenter

35.030° N, 117.746° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 1.3 km horizontally, 31.6 km in depth

Magnitude uncertainty

±0.23

Depth from

Operator assigned

Station coverage gap

86°

Stations used

11

• North Edwards, CaliforniaPopulation 1,058. Forecast8 kmE
• California City, CaliforniaPopulation 13,277. Forecast24 kmESE
• Lancaster, CaliforniaPopulation 161,103. Forecast51 kmNE
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast118 kmNNE

After

1. 2.95km NE of Lake View Terrace, CAFri, Jul 23, 3:38 AM PDT · 20161 days ago · 4 km deep · 96 km away
2. 2.58km ESE of Santa Clarita, CAFri, Jul 23, 12:35 PM PDT · 20161 days ago · 0 km deep · 96 km away
3. 2.811km ESE of Santa Clarita, CAFri, Jul 23, 5:59 PM PDT · 20160 days ago · 2 km deep · 94 km away
4. 3.125km SW of Little Lake, CASat, Jul 24, 1:09 AM PDT · 20160 days ago · 0 km deep · 85 km away
5. 3.019km SSW of Little Lake, CASat, Jul 24, 7:55 AM PDT · 20160 days ago · 1 km deep · 86 km away
6. 2.526km WNW of Inyokern, CASat, Jul 24, 8:05 AM PDT · 20160 days ago · 7 km deep · 85 km away
7. 2.34km N of La Crescenta-Montrose, CASat, Jul 31, 10:08 AM PDT · 20153 days ago · 5 km deep · 96 km away
8. 2.86km SSW of Lytle Creek, CAWed, Aug 4, 12:09 AM PDT · 20149 days ago · 4 km deep · 94 km away
9. 2.99km NNW of Lake View Terrace, CAWed, Aug 4, 3:46 AM PDT · 20149 days ago · 12 km deep · 95 km away
10. 3.07km E of Santa Clarita, CAFri, Aug 6, 12:58 AM PDT · 20147 days ago · 0 km deep · 94 km away
11. 3.27km E of Santa Clarita, CAFri, Aug 6, 9:28 PM PDT · 20146 days ago · 6 km deep · 92 km away
12. 2.45km ENE of Santa Clarita, CAMon, Aug 16, 7:57 AM PDT · 20137 days ago · 12 km deep · 93 km away
13. 2.94km NNE of Sunland, CAMon, Aug 16, 1:54 PM PDT · 20137 days ago · 5 km deep · 95 km away
14. 3.210km E of Santa Clarita, CAWed, Aug 18, 10:35 AM PDT · 20135 days ago · 12 km deep · 90 km away
15. 2.79km SSW of Agua Dulce, CAWed, Aug 18, 5:02 PM PDT · 20134 days ago · 0 km deep · 88 km away
16. 2.47km ESE of Santa Clarita, CAThu, Aug 19, 7:13 PM PDT · 20133 days ago · 0 km deep · 94 km away
17. 2.17km E of Santa Clarita, CAThu, Aug 19, 8:27 PM PDT · 20133 days ago · 1 km deep · 93 km away
18. 3.212km S of Agua Dulce, CAFri, Aug 20, 12:37 PM PDT · 20133 days ago · 2 km deep · 90 km away
19. 2.825km N of Tehachapi, CAMon, Aug 23, 5:52 PM PDT · 20129 days ago · 2 km deep · 75 km away
20. 3.311km ESE of Santa Clarita, CATue, Aug 24, 2:09 PM PDT · 20129 days ago · 3 km deep · 92 km away
21. 2.912km N of Lake View Terrace, CASun, Aug 29, 8:22 AM PDT · 20124 days ago · 4 km deep · 92 km away
22. 2.62km NNE of Altadena, CASun, Aug 29, 5:02 PM PDT · 20123 days ago · 7 km deep · 98 km away
23. 2.75km NNE of Lake View Terrace, CAWed, Sep 1, 8:18 AM PDT · 20121 days ago · 4 km deep · 96 km away
24. 2.424km SSW of Bodfish, CASat, Sep 4, 3:57 AM PDT · 20118 days ago · 1 km deep · 84 km away
25. 2.19km NE of Lake Arrowhead, CAMon, Sep 6, 6:33 AM PDT · 20116 days ago · 2 km deep · 99 km away
26. 3.110km E of Santa Clarita, CAMon, Sep 6, 4:29 PM PDT · 20115 days ago · 0 km deep · 90 km away
27. 2.723km ENE of Arvin, CAWed, Sep 8, 2:33 PM PDT · 20113 days ago · 1 km deep · 84 km away
28. 2.622km ENE of Arvin, CAWed, Sep 8, 2:35 PM PDT · 20113 days ago · 0 km deep · 84 km away
29. 2.623km NNW of Tehachapi, CAWed, Sep 8, 3:04 PM PDT · 20113 days ago · 1 km deep · 82 km away
30. 3.010km N of Sunland, CAThu, Sep 9, 3:53 PM PDT · 20112 days ago · 0 km deep · 91 km away
31. 2.28km NE of Rancho Cucamonga, CASun, Sep 12, 12:58 AM PDT · 20110 days ago · 0 km deep · 97 km away
32. 3.023km N of Tehachapi, CAWed, Sep 15, 1:50 AM PDT · 20107 days ago · 0 km deep · 74 km away
33. 3.124km N of Tehachapi, CAWed, Sep 15, 3:20 AM PDT · 20107 days ago · 6 km deep · 76 km away
34. 3.07km SW of Agua Dulce, CAFri, Sep 17, 1:30 AM PDT · 20105 days ago · 15 km deep · 86 km away

Before

1. 3.37km ENE of Santa Clarita, CAWed, Jul 21, 8:18 PM PDT · 20162 days ago · 8 km deep · 91 km away
2. 2.98km NNE of Pacoima, CAWed, Jul 21, 6:02 PM PDT · 20162 days ago · 1 km deep · 96 km away
3. 2.811km NNE of Pacoima, CAMon, Jul 19, 6:43 AM PDT · 20165 days ago · 7 km deep · 94 km away
4. 2.111km N of Lake View Terrace, CASun, Jul 18, 5:13 AM PDT · 20166 days ago · 4 km deep · 92 km away
5. 3.09km S of Agua Dulce, CAWed, Jul 14, 9:26 AM PDT · 20170 days ago · 0 km deep · 88 km away
6. 2.98km N of Pacoima, CAFri, Jul 9, 7:06 PM PDT · 20174 days ago · 0 km deep · 98 km away
7. 2.84km ESE of Santa Clarita, CAWed, Jul 7, 3:45 PM PDT · 20176 days ago · 0 km deep · 96 km away
8. 2.96km SE of Santa Clarita, CATue, Jul 6, 4:34 PM PDT · 20177 days ago · 0 km deep · 98 km away
9. 2.211km SSW of Agua Dulce, CATue, Jul 6, 6:07 AM PDT · 20178 days ago · 0 km deep · 89 km away
10. 2.72km ENE of Santa Clarita, CATue, Jul 6, 4:47 AM PDT · 20178 days ago · 0 km deep · 95 km away
11. 2.925km N of Tehachapi, CAFri, Jul 2, 7:53 AM PDT · 20182 days ago · 0 km deep · 77 km away
12. 3.55km WSW of Lytle Creek, CAFri, Jul 2, 2:18 AM PDT · 20182 days ago · 10 km deep · 90 km away
13. 3.12km ENE of Lake View Terrace, CAWed, Jun 30, 1:19 PM PDT · 20184 days ago · 5 km deep · 99 km away
14. 2.512km ESE of Santa Clarita, CASun, Jun 27, 6:47 PM PDT · 20186 days ago · 0 km deep · 93 km away
15. 3.09km NNE of Lake View Terrace, CASat, Jun 26, 2:20 PM PDT · 20187 days ago · 7 km deep · 92 km away
16. 2.54km E of Santa Clarita, CAFri, Jun 25, 6:10 PM PDT · 20188 days ago · 6 km deep · 94 km away
17. 2.39km SE of Santa Clarita, CAThu, Jun 24, 2:37 PM PDT · 20189 days ago · 0 km deep · 97 km away
18. 2.48km NNE of Lake View Terrace, CAThu, Jun 24, 2:04 PM PDT · 20190 days ago · 0 km deep · 94 km away
19. 2.72km NE of Santa Clarita, CATue, Jun 22, 4:58 PM PDT · 20191 days ago · 5 km deep · 95 km away
20. 2.89km SSW of Agua Dulce, CATue, Jun 22, 2:53 AM PDT · 20192 days ago · 6 km deep · 88 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci3342549. Read Sat, Oct 3, 2026, 8:47 AM UTC.