M1.6 earthquake 23 km SSW of Mammoth, Wyoming

Magnitude

1.6 (ML, local (Richter)), micro

Magnitude from

University of Utah Seismograph Stations

Local time

Sat, Apr 13, 2019, 2:13 AM MDT

UTC

2019-04-13 08:13:56 UTC

Depth

4.7 km (2.9 mi), shallow

Epicenter

44.775° N, 110.784° W

Region

Montana

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.4 km horizontally, 0.4 km in depth

Magnitude uncertainty

±0.44

Depth from

From location

Station coverage gap

93°

Stations used

14

• West Yellowstone, MontanaPopulation 1,339. Forecast28 kmENE
• Bozeman, MontanaPopulation 43,405. Forecast103 kmSSE
• Billings, MontanaPopulation 117,116. Forecast211 kmWSW
• Calgary, CanadaPopulation 1,306,784. Forecast740 kmSSE

After

1. 1.521 km SSW of Mammoth, WyomingThu, Apr 18, 9:30 PM MDT · 2725 days ago · 5 km deep · 7 km away
2. 2.656 km SE of West Yellowstone, MontanaSun, Apr 28, 11:18 PM MDT · 2715 days ago · 3 km deep · 55 km away
3. 1.753 km SE of West Yellowstone, MontanaSun, Apr 28, 11:20 PM MDT · 2715 days ago · 5 km deep · 51 km away
4. 2.356 km SE of West Yellowstone, MontanaSun, Apr 28, 11:20 PM MDT · 2715 days ago · 4 km deep · 55 km away
5. 2.156 km SE of West Yellowstone, MontanaSun, Apr 28, 11:24 PM MDT · 2715 days ago · 3 km deep · 55 km away
6. 1.542 km SSE of Mammoth, WyomingMon, Apr 29, 1:17 PM MDT · 2714 days ago · 2 km deep · 31 km away
7. 2.149 km SE of West Yellowstone, MontanaFri, May 3, 12:31 PM MDT · 2710 days ago · 2 km deep · 44 km away
8. 2.447 km ESE of West Yellowstone, MontanaSat, May 4, 7:25 AM MDT · 2710 days ago · 3 km deep · 36 km away
9. 1.646 km ESE of West Yellowstone, MontanaSat, May 4, 7:29 AM MDT · 2710 days ago · 8 km deep · 37 km away
10. 2.417 km W of Hebgen Lake Estates, MontanaMon, May 6, 7:04 PM MDT · 2707 days ago · 3 km deep · 50 km away
11. 1.625 km SSE of West Yellowstone, MontanaThu, May 9, 1:22 AM MDT · 2705 days ago · 5 km deep · 38 km away
12. 1.758 km SE of West Yellowstone, MontanaMon, May 13, 12:37 PM MDT · 2700 days ago · 5 km deep · 53 km away
13. 2.433 km NNE of Spencer, IdahoThu, May 16, 11:55 AM MDT · 2698 days ago · 5 km deep · 99 km away · felt by 1
14. 1.918 km NE of West Yellowstone, MontanaSat, May 18, 7:03 AM MDT · 2696 days ago · 8 km deep · 11 km away
15. 1.948 km SSE of Mammoth, WyomingThu, May 23, 4:05 AM MDT · 2691 days ago · 4 km deep · 37 km away
16. 2.547 km SSE of Mammoth, WyomingThu, May 23, 4:09 AM MDT · 2691 days ago · 5 km deep · 37 km away
17. 1.947 km SSE of Mammoth, WyomingThu, May 23, 4:10 AM MDT · 2691 days ago · 4 km deep · 37 km away
18. 1.747 km SSE of Mammoth, WyomingThu, May 23, 4:54 AM MDT · 2691 days ago · 4 km deep · 36 km away
19. 1.648 km SSE of Mammoth, WyomingThu, May 23, 5:01 AM MDT · 2691 days ago · 5 km deep · 37 km away
20. 2.330 km WNW of Hebgen Lake Estates, MontanaThu, May 23, 9:45 AM MDT · 2691 days ago · 12 km deep · 62 km away · felt by 1
21. 2.129 km W of Hebgen Lake Estates, MontanaThu, May 23, 10:44 AM MDT · 2691 days ago · 5 km deep · 61 km away · felt by 1
22. 2.447 km ESE of West Yellowstone, MontanaSat, May 25, 11:57 AM MDT · 2689 days ago · 4 km deep · 39 km away
23. 1.921 km ENE of West Yellowstone, MontanaSat, May 25, 7:50 PM MDT · 2688 days ago · 5 km deep · 7 km away
24. 1.821 km ENE of West Yellowstone, MontanaSat, May 25, 7:51 PM MDT · 2688 days ago · 3 km deep · 6 km away
25. 1.721 km ENE of West Yellowstone, MontanaSun, May 26, 4:43 AM MDT · 2688 days ago · 5 km deep · 7 km away
26. 1.921 km ENE of West Yellowstone, MontanaSun, May 26, 8:55 AM MDT · 2688 days ago · 5 km deep · 7 km away
27. 1.59 km ENE of Hebgen Lake Estates, MontanaWed, Jun 5, 5:44 PM MDT · 2677 days ago · 6 km deep · 24 km away
28. 1.759 km SE of West Yellowstone, MontanaWed, Jun 12, 12:36 AM MDT · 2671 days ago · 6 km deep · 54 km away
29. 1.558 km SE of West Yellowstone, MontanaWed, Jun 12, 12:45 AM MDT · 2671 days ago · 6 km deep · 53 km away

Before

1. 1.713 km NW of Emigrant, MontanaFri, Apr 12, 1:58 AM MDT · 2732 days ago · 6 km deep · 76 km away
2. 1.98 km ENE of Hebgen Lake Estates, MontanaThu, Apr 4, 12:43 AM MDT · 2740 days ago · 9 km deep · 24 km away
3. 1.88 km ENE of Hebgen Lake Estates, MontanaWed, Apr 3, 7:30 PM MDT · 2740 days ago · 8 km deep · 24 km away
4. 2.48 km ENE of Hebgen Lake Estates, MontanaWed, Apr 3, 11:39 AM MDT · 2741 days ago · 10 km deep · 25 km away
5. 2.024 km SSE of West Yellowstone, MontanaThu, Mar 28, 10:12 AM MDT · 2747 days ago · 8 km deep · 41 km away
6. 1.825 km SSE of West Yellowstone, MontanaThu, Mar 28, 10:08 AM MDT · 2747 days ago · 5 km deep · 40 km away
7. 1.624 km SSE of West Yellowstone, MontanaThu, Mar 28, 5:37 AM MDT · 2747 days ago · 15 km deep · 41 km away
8. 1.625 km ENE of West Yellowstone, MontanaTue, Mar 26, 2:14 PM MDT · 2748 days ago · 4 km deep · 4 km away
9. 1.725 km ENE of West Yellowstone, MontanaTue, Mar 26, 2:03 PM MDT · 2748 days ago · 5 km deep · 4 km away
10. 1.825 km ENE of West Yellowstone, MontanaTue, Mar 26, 1:57 PM MDT · 2748 days ago · 6 km deep · 5 km away
11. 1.625 km ENE of West Yellowstone, MontanaTue, Mar 26, 1:21 PM MDT · 2748 days ago · 4 km deep · 4 km away
12. 1.925 km ENE of West Yellowstone, MontanaTue, Mar 26, 3:27 AM MDT · 2749 days ago · 8 km deep · 4 km away
13. 1.815 km NE of West Yellowstone, MontanaMon, Mar 25, 7:00 PM MDT · 2749 days ago · 9 km deep · 14 km away
14. 1.721 km SSE of Mammoth, WyomingMon, Mar 25, 2:06 PM MDT · 2749 days ago · 7 km deep · 18 km away
15. 1.649 km SSE of Mammoth, WyomingFri, Mar 22, 10:02 AM MDT · 2753 days ago · 4 km deep · 37 km away
16. 1.737 km S of Silver Gate, MontanaThu, Mar 21, 8:46 PM MDT · 2753 days ago · 11 km deep · 59 km away
17. 1.761 km ESE of West Yellowstone, MontanaThu, Mar 21, 3:16 AM MDT · 2754 days ago · 4 km deep · 49 km away
18. 1.515 km NE of West Yellowstone, MontanaSun, Mar 17, 10:03 AM MDT · 2758 days ago · 10 km deep · 14 km away
19. 1.523 km ESE of Island Park, IdahoFri, Mar 15, 10:31 AM MDT · 2760 days ago · 11 km deep · 53 km away

From the USGS Earthquake Hazards Program and its partner networks, event uu60320862. Read Sun, Oct 4, 2026, 5:51 AM UTC.