M1.6 earthquake 34km SE of Fort Irwin, CA

Magnitude

1.6 (Mc), micro

Magnitude from

Southern California Seismic Network

Local time

Mon, Nov 30, 1981, 8:13 PM PST

UTC

1981-12-01 04:13:19 UTC

Depth

5.0 km (3.1 mi), shallow

Epicenter

35.009° N, 116.466° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.8 km horizontally, 21.4 km in depth

Depth from

From location

Station coverage gap

148°

Stations used

10

• Yermo, CaliforniaPopulation 623. Forecast34 kmENE
• Barstow, CaliforniaPopulation 23,692. Forecast52 kmENE
• Victorville, CaliforniaPopulation 122,225. Forecast92 kmNE
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast195 kmENE

After

1. 1.834km SE of Fort Irwin, CAThu, Dec 3, 7:38 AM PST · 16374 days ago · 5 km deep · 1 km away
2. 2.524km N of Yucca Valley, CAThu, Dec 3, 4:09 PM PST · 16373 days ago · 0 km deep · 76 km away
3. 1.824km N of Yucca Valley, CAMon, Dec 7, 9:32 AM PST · 16370 days ago · 2 km deep · 75 km away
4. 1.724km N of Yucca Valley, CAMon, Dec 7, 9:52 AM PST · 16370 days ago · 1 km deep · 76 km away
5. 1.822km SSW of Tecopa, CATue, Dec 8, 12:25 AM PST · 16369 days ago · 5 km deep · 73 km away
6. 1.632km SSW of Ludlow, CATue, Dec 8, 6:31 AM PST · 16369 days ago · 1 km deep · 62 km away
7. 2.415km NNW of Ludlow, CATue, Dec 8, 12:27 PM PST · 16369 days ago · 3 km deep · 29 km away
8. 1.821km N of Yucca Valley, CAWed, Dec 9, 10:14 AM PST · 16368 days ago · 1 km deep · 79 km away
9. 1.917km NNW of Joshua Tree, CAWed, Dec 16, 5:12 PM PST · 16360 days ago · 5 km deep · 82 km away
10. 1.917km NNW of Joshua Tree, CAWed, Dec 16, 6:54 PM PST · 16360 days ago · 3 km deep · 82 km away
11. 1.814km SE of Johannesburg, CAFri, Dec 18, 7:59 AM PST · 16359 days ago · 9 km deep · 100 km away
12. 1.615km WNW of Fort Irwin, CASun, Dec 20, 8:46 AM PST · 16357 days ago · 9 km deep · 48 km away
13. 1.630km NNW of Barstow, CASun, Dec 27, 9:23 PM PST · 16349 days ago · 3 km deep · 59 km away
14. 1.68km W of Lucerne Valley, CAMon, Dec 28, 6:26 AM PST · 16349 days ago · 1 km deep · 81 km away
15. 1.78km NE of Lake Arrowhead, CAWed, Jan 6, 7:17 PM PST · 16339 days ago · 8 km deep · 100 km away
16. 1.82km NNW of Big Bear City, CAThu, Jan 7, 3:43 PM PST · 16338 days ago · 9 km deep · 89 km away
17. 1.811km N of Morongo Valley, CASun, Jan 10, 6:04 PM PST · 16335 days ago · 2 km deep · 97 km away
18. 2.425km NNW of Yucca Valley, CAWed, Jan 13, 1:28 AM PST · 16333 days ago · 1 km deep · 75 km away
19. 1.817km NNW of Joshua Tree, CAFri, Jan 15, 12:36 AM PST · 16331 days ago · 9 km deep · 81 km away
20. 2.523km NNW of Yucca Valley, CATue, Jan 19, 6:54 AM PST · 16327 days ago · 0 km deep · 77 km away
21. 2.916km NE of Boron, CAWed, Jan 20, 2:53 AM PST · 16326 days ago · 5 km deep · 98 km away
22. 2.138km NNW of Fort Irwin, CASat, Jan 23, 12:15 AM PST · 16323 days ago · 5 km deep · 73 km away
23. 2.116km SW of Fort Irwin, CASat, Jan 23, 7:02 PM PST · 16322 days ago · 1 km deep · 34 km away
24. 1.520km NW of Yucca Valley, CASun, Jan 24, 5:20 AM PST · 16322 days ago · 13 km deep · 86 km away
25. 2.136km N of Yucca Valley, CAWed, Jan 27, 4:30 AM PST · 16319 days ago · 0 km deep · 63 km away
26. 2.226km S of Trona, CAWed, Jan 27, 8:38 AM PST · 16319 days ago · 5 km deep · 97 km away
27. 1.97km N of Big Bear Lake, CAFri, Jan 29, 1:50 AM PST · 16317 days ago · 5 km deep · 88 km away

Before

1. 1.631km N of Baker, CAWed, Nov 25, 11:04 PM PST · 16381 days ago · 5 km deep · 68 km away
2. 2.635km E of Barstow, CATue, Nov 24, 10:28 PM PST · 16382 days ago · 5 km deep · 24 km away
3. 2.034km E of Barstow, CATue, Nov 24, 8:15 AM PST · 16383 days ago · 5 km deep · 24 km away
4. 2.034km ENE of Big Bear City, CATue, Nov 24, 7:42 AM PST · 16383 days ago · 2 km deep · 65 km away
5. 1.734km E of Barstow, CATue, Nov 24, 7:10 AM PST · 16383 days ago · 1 km deep · 24 km away
6. 3.336km E of Barstow, CATue, Nov 24, 1:20 AM PST · 16383 days ago · 11 km deep · 21 km away
7. 1.69km NE of Lake Arrowhead, CAMon, Nov 16, 10:42 AM PST · 16391 days ago · 3 km deep · 98 km away
8. 2.37km ENE of Joshua Tree, CAFri, Nov 13, 8:45 AM PST · 16394 days ago · -1 km deep · 96 km away
9. 1.65km ENE of Joshua Tree, CAFri, Nov 13, 5:58 AM PST · 16394 days ago · -1 km deep · 97 km away
10. 1.622km N of Yucca Valley, CASat, Nov 7, 4:05 PM PST · 16399 days ago · 0 km deep · 78 km away
11. 1.522km N of Yucca Valley, CAFri, Nov 6, 2:20 PM PST · 16400 days ago · 3 km deep · 78 km away
12. 1.68km NNW of Big Bear City, CAFri, Nov 6, 7:49 AM PST · 16401 days ago · 9 km deep · 85 km away
13. 1.730km ESE of Johannesburg, CATue, Nov 3, 8:38 AM PST · 16404 days ago · 5 km deep · 84 km away
14. 1.75km N of Big Bear City, CAMon, Nov 2, 10:06 AM PST · 16405 days ago · 0 km deep · 86 km away
15. 2.820km NW of Barstow, CASun, Nov 1, 9:50 PM PST · 16405 days ago · 6 km deep · 66 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci102448. Read Fri, Oct 2, 2026, 8:51 AM UTC.