M1.7 earthquake 20 km SSE of Mammoth, Wyoming

Magnitude

1.7 (ml), micro

Local time

Thu, Feb 9, 2017, 9:34 PM MST

UTC

2017-02-10 04:34:52 UTC

Depth

7.8 km (4.9 mi), shallow

Epicenter

44.805° N, 110.616° W

Region

Montana

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 1.1 km horizontally, 0.9 km in depth

Magnitude uncertainty

±0.11

Depth from

From location

Station coverage gap

234°, poorly surrounded by stations

Stations used

7

• Gardiner, MontanaPopulation 875. Forecast26 kmSSE
• Bozeman, MontanaPopulation 43,405. Forecast103 kmSSE
• Billings, MontanaPopulation 117,116. Forecast198 kmWSW
• Calgary, CanadaPopulation 1,306,784. Forecast741 kmSSE

After

1. 2.314 km E of Hebgen Lake Estates, MontanaSat, Feb 11, 4:16 AM MST · 3518 days ago · 8 km deep · 31 km away
2. 1.948 km SE of West Yellowstone, MontanaSat, Feb 18, 4:15 PM MST · 3510 days ago · 4 km deep · 48 km away
3. 1.927 km SW of Silver Gate, MontanaSat, Feb 18, 7:25 PM MST · 3510 days ago · 4 km deep · 29 km away
4. 1.815 km ENE of Hebgen Lake Estates, MontanaSun, Feb 19, 6:57 PM MST · 3509 days ago · 7 km deep · 30 km away
5. 1.640 km SE of Mammoth, WyomingThu, Feb 23, 5:10 AM MST · 3506 days ago · 2 km deep · 21 km away
6. 2.034 km E of West Yellowstone, MontanaFri, Feb 24, 2:33 PM MST · 3505 days ago · 5 km deep · 21 km away
7. 1.725 km SSE of West Yellowstone, MontanaSat, Feb 25, 12:44 PM MST · 3504 days ago · 12 km deep · 48 km away
8. 2.623 km NE of West Yellowstone, MontanaWed, Mar 1, 7:44 PM MST · 3499 days ago · 6 km deep · 21 km away · felt by 1
9. 1.715 km ENE of Hebgen Lake Estates, MontanaFri, Mar 3, 5:00 PM MST · 3497 days ago · 4 km deep · 30 km away
10. 2.522 km NE of West Yellowstone, MontanaSun, Mar 5, 10:44 AM MST · 3496 days ago · 6 km deep · 21 km away
11. 2.023 km SW of Mammoth, WyomingSun, Mar 5, 12:14 PM MST · 3496 days ago · 6 km deep · 21 km away
12. 1.99 km SSW of West Yellowstone, MontanaMon, Mar 6, 1:32 PM MST · 3495 days ago · 8 km deep · 49 km away
13. 1.628 km WNW of Hebgen Lake Estates, MontanaTue, Mar 7, 8:56 PM MST · 3493 days ago · 13 km deep · 73 km away
14. 2.644 km W of Hebgen Lake Estates, MontanaWed, Mar 8, 8:41 AM MST · 3493 days ago · 11 km deep · 90 km away
15. 1.735 km E of West Yellowstone, MontanaSat, Mar 11, 11:32 AM MST · 3490 days ago · 4 km deep · 22 km away
16. 1.645 km SSE of West Yellowstone, MontanaSun, Mar 12, 12:48 AM MST · 3489 days ago · 6 km deep · 56 km away
17. 1.923 km SW of Mammoth, WyomingMon, Mar 13, 1:59 AM MDT · 3488 days ago · 6 km deep · 21 km away
18. 1.843 km W of Hebgen Lake Estates, MontanaMon, Mar 13, 5:59 AM MDT · 3488 days ago · 11 km deep · 89 km away
19. 2.17 km SSW of West Yellowstone, MontanaWed, Mar 22, 1:45 PM MDT · 3479 days ago · 8 km deep · 47 km away
20. 1.624 km SSW of Mammoth, WyomingTue, Mar 28, 6:32 AM MDT · 3473 days ago · 7 km deep · 13 km away
21. 2.938 km S of Silver Gate, MontanaWed, Mar 29, 9:05 PM MDT · 3471 days ago · 13 km deep · 53 km away · felt by 1
22. 2.037 km S of Silver Gate, MontanaWed, Mar 29, 9:34 PM MDT · 3471 days ago · 15 km deep · 52 km away
23. 1.538 km W of Roscoe, MontanaThu, Mar 30, 9:42 AM MDT · 3471 days ago · 4 km deep · 81 km away
24. 2.27 km E of Hebgen Lake Estates, MontanaSat, Apr 1, 2:05 AM MDT · 3469 days ago · 8 km deep · 38 km away
25. 2.37 km E of Hebgen Lake Estates, MontanaSat, Apr 1, 2:06 AM MDT · 3469 days ago · 8 km deep · 38 km away
26. 1.739 km SSE of Mammoth, WyomingMon, Apr 3, 12:06 AM MDT · 3467 days ago · 4 km deep · 20 km away
27. 1.844 km ESE of West Yellowstone, MontanaMon, Apr 3, 1:04 AM MDT · 3467 days ago · 4 km deep · 32 km away
28. 1.77 km E of Hebgen Lake Estates, MontanaTue, Apr 4, 7:03 AM MDT · 3466 days ago · 8 km deep · 38 km away

Before

1. 2.425 km S of Mammoth, WyomingThu, Feb 9, 1:40 PM MST · 3520 days ago · 4 km deep · 7 km away
2. 2.025 km S of Mammoth, WyomingThu, Feb 9, 1:40 PM MST · 3520 days ago · 4 km deep · 8 km away
3. 1.95 km SSW of West Yellowstone, MontanaThu, Feb 9, 11:46 AM MST · 3520 days ago · 12 km deep · 46 km away
4. 1.638 km SSE of Mammoth, WyomingThu, Feb 9, 12:52 AM MST · 3520 days ago · 4 km deep · 19 km away
5. 1.839 km SSE of Mammoth, WyomingThu, Feb 9, 12:39 AM MST · 3520 days ago · 4 km deep · 19 km away
6. 3.442 km W of Hebgen Lake Estates, MontanaFri, Feb 3, 6:35 AM MST · 3526 days ago · 12 km deep · 88 km away
7. 1.738 km S of Silver Gate, MontanaThu, Feb 2, 11:32 PM MST · 3526 days ago · 15 km deep · 51 km away
8. 1.6WyomingThu, Jan 26, 8:54 AM MST · 3534 days ago · 6 km deep · 25 km away
9. 2.147 km SSE of Mammoth, WyomingMon, Jan 23, 3:46 PM MST · 3536 days ago · 2 km deep · 28 km away
10. 2.947 km SSE of Mammoth, WyomingMon, Jan 23, 1:53 PM MST · 3537 days ago · 4 km deep · 28 km away
11. 2.147 km SSE of Mammoth, WyomingMon, Jan 23, 1:52 PM MST · 3537 days ago · 5 km deep · 28 km away
12. 2.047 km SSE of Mammoth, WyomingMon, Jan 23, 1:33 PM MST · 3537 days ago · 5 km deep · 28 km away
13. 1.649 km SE of Mammoth, WyomingMon, Jan 23, 12:42 PM MST · 3537 days ago · 5 km deep · 30 km away
14. 2.020 km SE of Mammoth, WyomingSun, Jan 22, 11:18 AM MST · 3538 days ago · 7 km deep · 9 km away
15. 1.922 km SE of Mammoth, WyomingSun, Jan 22, 10:27 AM MST · 3538 days ago · 11 km deep · 9 km away
16. 1.815 km ENE of Hebgen Lake Estates, MontanaFri, Jan 20, 9:40 AM MST · 3540 days ago · 7 km deep · 30 km away
17. 1.516 km E of Hebgen Lake Estates, MontanaFri, Jan 20, 9:38 AM MST · 3540 days ago · 7 km deep · 29 km away
18. 3.315 km ENE of Hebgen Lake Estates, MontanaFri, Jan 20, 9:37 AM MST · 3540 days ago · 8 km deep · 30 km away · felt by 1
19. 1.518 km ENE of West Yellowstone, MontanaThu, Jan 19, 12:24 AM MST · 3541 days ago · 11 km deep · 24 km away
20. 1.84 km S of Hebgen Lake Estates, MontanaMon, Jan 16, 9:20 AM MST · 3544 days ago · 7 km deep · 47 km away

From the USGS Earthquake Hazards Program and its partner networks, event uu60184402. Read Wed, Sep 30, 2026, 10:12 AM UTC.