M1.5 earthquake 64 km SSE of Mammoth, Wyoming

Magnitude

1.5 (Md, duration), micro

Magnitude from

University of Utah Seismograph Stations

Local time

Fri, Jul 16, 2021, 8:45 AM MDT

UTC

2021-07-16 14:45:41 UTC

Depth

8.3 km (5.2 mi), shallow

Epicenter

44.461° N, 110.332° W

Region

Wyoming

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.7 km horizontally, 1.3 km in depth

Magnitude uncertainty

±0.22

Depth from

From location

Station coverage gap

107°

Stations used

10

• West Yellowstone, MontanaPopulation 1,339. Forecast65 kmESE
• Jackson, WyomingPopulation 10,523. Forecast114 kmNNE
• Billings, MontanaPopulation 117,116. Forecast206 kmSW
• Calgary, CanadaPopulation 1,306,784. Forecast784 kmSSE

After

1. 1.662 km ESE of West Yellowstone, MontanaFri, Jul 16, 9:01 AM MDT · 1907 days ago · 2 km deep · 3 km away
2. 1.663 km ESE of West Yellowstone, MontanaFri, Jul 16, 9:05 AM MDT · 1907 days ago · 7 km deep · 2 km away
3. 1.664 km ESE of West Yellowstone, MontanaFri, Jul 16, 9:08 AM MDT · 1907 days ago · 8 km deep · 2 km away
4. 2.066 km ESE of West Yellowstone, MontanaFri, Jul 16, 9:08 AM MDT · 1907 days ago · 10 km deep · 3 km away
5. 2.964 km SSE of Mammoth, WyomingFri, Jul 16, 9:22 AM MDT · 1907 days ago · 6 km deep · 1 km away
6. 1.963 km ESE of West Yellowstone, MontanaFri, Jul 16, 9:30 AM MDT · 1907 days ago · 3 km deep · 3 km away
7. 1.664 km ESE of West Yellowstone, MontanaFri, Jul 16, 9:40 AM MDT · 1907 days ago · 8 km deep · 2 km away
8. 1.764 km ESE of West Yellowstone, MontanaFri, Jul 16, 9:41 AM MDT · 1907 days ago · 10 km deep · 2 km away
9. 2.563 km ESE of West Yellowstone, MontanaFri, Jul 16, 9:43 AM MDT · 1907 days ago · 7 km deep · 2 km away
10. 1.963 km ESE of West Yellowstone, MontanaFri, Jul 16, 9:45 AM MDT · 1907 days ago · 2 km deep · 3 km away
11. 2.363 km ESE of West Yellowstone, MontanaFri, Jul 16, 9:47 AM MDT · 1907 days ago · 3 km deep · 3 km away
12. 1.762 km ESE of West Yellowstone, MontanaFri, Jul 16, 9:49 AM MDT · 1907 days ago · 4 km deep · 3 km away
13. 1.663 km ESE of West Yellowstone, MontanaFri, Jul 16, 9:55 AM MDT · 1907 days ago · 3 km deep · 2 km away
14. 2.763 km SSE of Mammoth, WyomingFri, Jul 16, 10:01 AM MDT · 1907 days ago · 7 km deep · 2 km away
15. 2.564 km SSE of Mammoth, WyomingFri, Jul 16, 10:01 AM MDT · 1907 days ago · 3 km deep · 1 km away
16. 1.563 km ESE of West Yellowstone, MontanaFri, Jul 16, 10:14 AM MDT · 1907 days ago · 8 km deep · 2 km away
17. 1.764 km ESE of West Yellowstone, MontanaFri, Jul 16, 10:18 AM MDT · 1907 days ago · 2 km deep · 3 km away
18. 1.664 km ESE of West Yellowstone, MontanaFri, Jul 16, 10:27 AM MDT · 1907 days ago · 7 km deep · 3 km away
19. 1.663 km ESE of West Yellowstone, MontanaFri, Jul 16, 10:31 AM MDT · 1907 days ago · 2 km deep · 3 km away
20. 1.6WyomingFri, Jul 16, 10:34 AM MDT · 1907 days ago · 6 km deep · 3 km away
21. 2.164 km ESE of West Yellowstone, MontanaFri, Jul 16, 10:38 AM MDT · 1907 days ago · 8 km deep · 2 km away
22. 1.763 km ESE of West Yellowstone, MontanaFri, Jul 16, 10:56 AM MDT · 1907 days ago · 4 km deep · 3 km away
23. 2.064 km ESE of West Yellowstone, MontanaFri, Jul 16, 10:58 AM MDT · 1907 days ago · 0 km deep · 2 km away
24. 2.0WyomingFri, Jul 16, 11:19 AM MDT · 1907 days ago · 6 km deep · 2 km away
25. 1.562 km SSE of Mammoth, WyomingFri, Jul 16, 11:19 AM MDT · 1907 days ago · 5 km deep · 2 km away
26. 1.964 km ESE of West Yellowstone, MontanaFri, Jul 16, 11:20 AM MDT · 1907 days ago · 5 km deep · 4 km away
27. 2.563 km ESE of West Yellowstone, MontanaFri, Jul 16, 11:22 AM MDT · 1907 days ago · 5 km deep · 3 km away
28. 2.064 km ESE of West Yellowstone, MontanaFri, Jul 16, 11:23 AM MDT · 1907 days ago · 2 km deep · 2 km away
29. 2.064 km ESE of West Yellowstone, MontanaFri, Jul 16, 11:26 AM MDT · 1907 days ago · 6 km deep · 2 km away
30. 1.763 km ESE of West Yellowstone, MontanaFri, Jul 16, 11:34 AM MDT · 1907 days ago · 4 km deep · 3 km away
31. 2.063 km ESE of West Yellowstone, MontanaFri, Jul 16, 11:48 AM MDT · 1907 days ago · 2 km deep · 5 km away
32. 2.064 km ESE of West Yellowstone, MontanaFri, Jul 16, 12:01 PM MDT · 1907 days ago · 8 km deep · 2 km away
33. 1.764 km ESE of West Yellowstone, MontanaFri, Jul 16, 12:17 PM MDT · 1907 days ago · 7 km deep · 3 km away
34. 1.864 km ESE of West Yellowstone, MontanaFri, Jul 16, 12:24 PM MDT · 1907 days ago · 2 km deep · 2 km away
35. 2.164 km ESE of West Yellowstone, MontanaFri, Jul 16, 12:33 PM MDT · 1907 days ago · 6 km deep · 2 km away
36. 2.167 km SSE of Mammoth, WyomingFri, Jul 16, 12:37 PM MDT · 1907 days ago · 7 km deep · 3 km away
37. 1.863 km ESE of West Yellowstone, MontanaFri, Jul 16, 1:20 PM MDT · 1907 days ago · 3 km deep · 2 km away
38. 2.364 km SSE of Mammoth, WyomingFri, Jul 16, 1:22 PM MDT · 1907 days ago · 1 km deep · 1 km away
39. 1.663 km ESE of West Yellowstone, MontanaFri, Jul 16, 1:24 PM MDT · 1907 days ago · 6 km deep · 3 km away
40. 2.462 km ESE of West Yellowstone, MontanaFri, Jul 16, 1:30 PM MDT · 1907 days ago · 1 km deep · 3 km away
41. 1.664 km ESE of West Yellowstone, MontanaFri, Jul 16, 1:33 PM MDT · 1907 days ago · 4 km deep · 2 km away
42. 1.863 km ESE of West Yellowstone, MontanaFri, Jul 16, 1:33 PM MDT · 1907 days ago · 8 km deep · 2 km away
43. 2.264 km ESE of West Yellowstone, MontanaFri, Jul 16, 1:34 PM MDT · 1907 days ago · 8 km deep · 3 km away
44. 1.764 km ESE of West Yellowstone, MontanaFri, Jul 16, 1:35 PM MDT · 1907 days ago · 3 km deep · 2 km away
45. 2.565 km ESE of West Yellowstone, MontanaFri, Jul 16, 1:41 PM MDT · 1907 days ago · 7 km deep · 2 km away
46. 3.264 km ESE of West Yellowstone, MontanaFri, Jul 16, 1:44 PM MDT · 1907 days ago · 7 km deep · 2 km away
47. 1.663 km ESE of West Yellowstone, MontanaFri, Jul 16, 1:45 PM MDT · 1907 days ago · 2 km deep · 2 km away
48. 2.063 km ESE of West Yellowstone, MontanaFri, Jul 16, 1:48 PM MDT · 1907 days ago · 5 km deep · 2 km away
49. 1.963 km ESE of West Yellowstone, MontanaFri, Jul 16, 1:49 PM MDT · 1907 days ago · 4 km deep · 6 km away
50. 1.763 km ESE of West Yellowstone, MontanaFri, Jul 16, 2:01 PM MDT · 1907 days ago · 3 km deep · 2 km away
51. 2.063 km ESE of West Yellowstone, MontanaFri, Jul 16, 2:07 PM MDT · 1907 days ago · 8 km deep · 2 km away
52. 2.063 km SSE of Mammoth, WyomingFri, Jul 16, 2:23 PM MDT · 1907 days ago · 7 km deep · 2 km away
53. 1.666 km ESE of West Yellowstone, MontanaFri, Jul 16, 2:41 PM MDT · 1907 days ago · 11 km deep · 3 km away
54. 1.868 km ESE of West Yellowstone, MontanaFri, Jul 16, 2:51 PM MDT · 1907 days ago · 8 km deep · 5 km away
55. 1.665 km ESE of West Yellowstone, MontanaFri, Jul 16, 2:54 PM MDT · 1907 days ago · 7 km deep · 3 km away
56. 1.563 km ESE of West Yellowstone, MontanaFri, Jul 16, 3:16 PM MDT · 1907 days ago · 2 km deep · 3 km away
57. 1.663 km ESE of West Yellowstone, MontanaFri, Jul 16, 3:20 PM MDT · 1907 days ago · 7 km deep · 3 km away
58. 1.863 km ESE of West Yellowstone, MontanaFri, Jul 16, 3:20 PM MDT · 1907 days ago · 5 km deep · 2 km away
59. 1.564 km ESE of West Yellowstone, MontanaFri, Jul 16, 3:26 PM MDT · 1907 days ago · 6 km deep · 2 km away
60. 1.964 km ESE of West Yellowstone, MontanaFri, Jul 16, 3:29 PM MDT · 1907 days ago · 8 km deep · 2 km away

The first 60 of at least 200.

Before

1. 1.962 km ESE of West Yellowstone, MontanaFri, Jul 16, 8:44 AM MDT · 1907 days ago · 7 km deep · 3 km away
2. 2.563 km ESE of West Yellowstone, MontanaFri, Jul 16, 8:42 AM MDT · 1907 days ago · 6 km deep · 2 km away
3. 1.763 km ESE of West Yellowstone, MontanaFri, Jul 16, 8:42 AM MDT · 1907 days ago · 4 km deep · 3 km away
4. 2.464 km ESE of West Yellowstone, MontanaFri, Jul 16, 8:40 AM MDT · 1907 days ago · 7 km deep · 2 km away
5. 1.564 km ESE of West Yellowstone, MontanaFri, Jul 16, 8:31 AM MDT · 1907 days ago · 5 km deep · 2 km away
6. 1.762 km ESE of West Yellowstone, MontanaFri, Jul 16, 8:26 AM MDT · 1907 days ago · 4 km deep · 3 km away
7. 1.964 km ESE of West Yellowstone, MontanaFri, Jul 16, 8:20 AM MDT · 1907 days ago · 7 km deep · 3 km away
8. 3.164 km ESE of West Yellowstone, MontanaFri, Jul 16, 8:12 AM MDT · 1907 days ago · 7 km deep · 2 km away · felt by 6
9. 1.664 km SSW of Silver Gate, MontanaFri, Jul 16, 7:55 AM MDT · 1907 days ago · 2 km deep · 4 km away
10. 2.163 km SSE of Mammoth, WyomingFri, Jul 16, 7:50 AM MDT · 1907 days ago · 3 km deep · 1 km away
11. 1.763 km ESE of West Yellowstone, MontanaFri, Jul 16, 7:50 AM MDT · 1907 days ago · 7 km deep · 2 km away
12. 1.662 km ESE of West Yellowstone, MontanaFri, Jul 16, 7:43 AM MDT · 1907 days ago · 4 km deep · 3 km away
13. 1.963 km ESE of West Yellowstone, MontanaFri, Jul 16, 7:42 AM MDT · 1907 days ago · 8 km deep · 2 km away
14. 2.062 km ESE of West Yellowstone, MontanaFri, Jul 16, 7:39 AM MDT · 1907 days ago · 4 km deep · 3 km away
15. 1.863 km ESE of West Yellowstone, MontanaFri, Jul 16, 7:39 AM MDT · 1907 days ago · 4 km deep · 3 km away
16. 1.563 km ESE of West Yellowstone, MontanaFri, Jul 16, 7:34 AM MDT · 1907 days ago · 5 km deep · 3 km away
17. 1.970 km SSW of Silver Gate, MontanaFri, Jul 16, 7:27 AM MDT · 1907 days ago · 17 km deep · 10 km away
18. 1.863 km ESE of West Yellowstone, MontanaFri, Jul 16, 7:24 AM MDT · 1907 days ago · 7 km deep · 2 km away
19. 1.662 km ESE of West Yellowstone, MontanaFri, Jul 16, 7:13 AM MDT · 1907 days ago · 2 km deep · 3 km away
20. 1.861 km ESE of West Yellowstone, MontanaFri, Jul 16, 7:08 AM MDT · 1907 days ago · 2 km deep · 4 km away

From the USGS Earthquake Hazards Program and its partner networks, event uu60446227. Read Mon, Oct 5, 2026, 12:03 PM UTC.