M2.2 earthquake 40 km NE of Spencer, Idaho

Magnitude

2.2 (ML, local (Richter)), micro

Magnitude from

Montana Bureau of Mines and Geology

Local time

Mon, Nov 21, 2016, 5:45 PM MST

UTC

2016-11-22 00:45:27 UTC

Depth

9.0 km (5.6 mi), shallow

Epicenter

44.655° N, 111.877° W

Region

Idaho

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.4 km horizontally, 0.9 km in depth

Magnitude uncertainty

±0.39

Depth from

From location

Station coverage gap

70°

Stations used

39

• Dubois, IdahoPopulation 606. Forecast60 kmNNE
• Rexburg, IdahoPopulation 27,663. Forecast92 kmN
• Billings, MontanaPopulation 117,116. Forecast293 kmWSW
• Calgary, CanadaPopulation 1,306,784. Forecast730 kmSSE

After

1. 1.727 km NE of Lima, MontanaSat, Nov 26, 3:55 AM MST · 3599 days ago · 10 km deep · 39 km away
2. 1.627 km S of Mammoth, WyomingSat, Nov 26, 11:31 PM MST · 3599 days ago · 5 km deep · 88 km away
3. 1.526 km WNW of Hebgen Lake Estates, MontanaSun, Nov 27, 12:37 AM MST · 3599 days ago · 7 km deep · 38 km away
4. 2.014 km NE of West Yellowstone, MontanaTue, Nov 29, 2:45 PM MST · 3596 days ago · 8 km deep · 72 km away
5. 1.617 km NNE of Dillon, MontanaWed, Nov 30, 3:05 AM MST · 3596 days ago · 5 km deep · 97 km away
6. 2.140 km NE of Spencer, IdahoWed, Nov 30, 5:29 AM MST · 3595 days ago · 10 km deep · 1 km away
7. 2.026 km W of Hebgen Lake Estates, MontanaThu, Dec 1, 9:16 AM MST · 3594 days ago · 13 km deep · 31 km away
8. 1.617 km NNE of Dillon, MontanaThu, Dec 8, 12:15 AM MST · 3588 days ago · 6 km deep · 97 km away
9. 2.226 km S of Mammoth, WyomingMon, Dec 12, 4:05 PM MST · 3583 days ago · 7 km deep · 88 km away
10. 2.326 km SSW of Mammoth, WyomingMon, Dec 12, 10:49 PM MST · 3583 days ago · 6 km deep · 88 km away
11. 1.727 km W of Hebgen Lake Estates, MontanaTue, Dec 13, 7:48 PM MST · 3582 days ago · 13 km deep · 33 km away
12. 1.727 km S of Mammoth, WyomingThu, Dec 22, 9:56 AM MST · 3573 days ago · 5 km deep · 88 km away
13. 1.646 km ENE of Warm River, IdahoMon, Dec 26, 12:59 AM MST · 3570 days ago · 2 km deep · 99 km away
14. 1.524 km SSW of Mammoth, WyomingWed, Dec 28, 11:52 PM MST · 3567 days ago · 4 km deep · 88 km away
15. 1.612 km S of Pony, MontanaFri, Dec 30, 10:06 PM MST · 3565 days ago · 1 km deep · 99 km away
16. 2.012 km SSE of Pony, MontanaSat, Dec 31, 9:28 AM MST · 3564 days ago · 5 km deep · 99 km away
17. 1.912 km S of Pony, MontanaSat, Dec 31, 9:29 AM MST · 3564 days ago · 0 km deep · 99 km away
18. 2.412 km SSE of Pony, MontanaSat, Dec 31, 1:26 PM MST · 3564 days ago · 2 km deep · 99 km away
19. 1.627 km WNW of Hebgen Lake Estates, MontanaSun, Jan 1, 8:31 PM MST · 3563 days ago · 13 km deep · 33 km away
20. 1.843 km W of Hebgen Lake Estates, MontanaMon, Jan 2, 5:32 AM MST · 3562 days ago · 12 km deep · 15 km away
21. 1.641 km SW of Dillon, MontanaThu, Jan 5, 6:46 AM MST · 3559 days ago · 5 km deep · 96 km away
22. 1.922 km SSW of Mammoth, WyomingFri, Jan 6, 6:59 PM MST · 3558 days ago · 7 km deep · 86 km away
23. 2.246 km ENE of Warm River, IdahoSat, Jan 7, 2:55 AM MST · 3558 days ago · 4 km deep · 100 km away
24. 3.445 km ENE of Warm River, IdahoSat, Jan 7, 2:57 AM MST · 3558 days ago · 4 km deep · 100 km away
25. 1.521 km WNW of Hebgen Lake Estates, MontanaSun, Jan 8, 4:55 PM MST · 3556 days ago · 7 km deep · 42 km away
26. 3.115 km NNE of Dillon, MontanaFri, Jan 13, 11:32 PM MST · 3551 days ago · 9 km deep · 92 km away · felt by 8
27. 1.84 km S of Hebgen Lake Estates, MontanaMon, Jan 16, 9:20 AM MST · 3548 days ago · 7 km deep · 54 km away
28. 1.518 km ENE of West Yellowstone, MontanaThu, Jan 19, 12:24 AM MST · 3546 days ago · 11 km deep · 78 km away
29. 3.114 km S of Pony, MontanaThu, Jan 19, 1:52 PM MST · 3545 days ago · 8 km deep · 97 km away
30. 2.215 km SSE of Pony, MontanaThu, Jan 19, 2:54 PM MST · 3545 days ago · 12 km deep · 97 km away
31. 3.315 km ENE of Hebgen Lake Estates, MontanaFri, Jan 20, 9:37 AM MST · 3544 days ago · 8 km deep · 72 km away · felt by 1
32. 1.516 km E of Hebgen Lake Estates, MontanaFri, Jan 20, 9:38 AM MST · 3544 days ago · 7 km deep · 72 km away
33. 1.815 km ENE of Hebgen Lake Estates, MontanaFri, Jan 20, 9:40 AM MST · 3544 days ago · 7 km deep · 72 km away

Before

1. 1.933 km SW of Lima, MontanaMon, Nov 21, 1:37 AM MST · 3605 days ago · 6 km deep · 86 km away
2. 1.513 km N of Dillon, MontanaThu, Nov 17, 2:11 AM MST · 3609 days ago · 4 km deep · 96 km away
3. 2.541 km SSE of West Yellowstone, MontanaTue, Nov 15, 4:48 PM MST · 3610 days ago · 11 km deep · 89 km away · felt by 1
4. 1.841 km ENE of Warm River, IdahoSun, Nov 13, 6:55 PM MST · 3612 days ago · 1 km deep · 96 km away
5. 2.328 km W of Hebgen Lake Estates, MontanaFri, Nov 4, 10:07 AM MDT · 3621 days ago · 13 km deep · 31 km away · felt by 2
6. 1.733 km WSW of Dillon, MontanaFri, Nov 4, 3:48 AM MDT · 3622 days ago · 1 km deep · 99 km away
7. 1.843 km W of Hebgen Lake Estates, MontanaTue, Nov 1, 4:14 PM MDT · 3624 days ago · 11 km deep · 14 km away
8. 2.112 km WSW of Sheridan, MontanaSat, Oct 29, 5:08 PM MDT · 3627 days ago · 3 km deep · 94 km away
9. 1.513 km NNE of West Yellowstone, MontanaSat, Oct 29, 11:49 AM MDT · 3627 days ago · 7 km deep · 69 km away
10. 1.622 km ESE of Leadore, IdahoTue, Oct 25, 5:19 PM MDT · 3631 days ago · 5 km deep · 95 km away
11. 2.141 km NE of Spencer, IdahoMon, Oct 24, 5:03 AM MDT · 3632 days ago · 9 km deep · 1 km away
12. 1.619 km NE of West Yellowstone, MontanaSun, Oct 23, 10:41 PM MDT · 3633 days ago · 6 km deep · 76 km away
13. 2.031 km SSE of West Yellowstone, MontanaSat, Oct 22, 11:32 PM MDT · 3634 days ago · 8 km deep · 80 km away

From the USGS Earthquake Hazards Program and its partner networks, event mb80190504. Read Sun, Oct 4, 2026, 9:49 PM UTC.