M1.6 earthquake 48 km NE of Alta, Wyoming

Magnitude

1.6 (ML, local (Richter)), micro

Magnitude from

University of Utah Seismograph Stations

Local time

Thu, Jan 22, 2015, 11:09 PM MST

UTC

2015-01-23 06:09:44 UTC

Depth

7.3 km (4.5 mi), shallow

Epicenter

44.087° N, 110.643° W

Region

Wyoming

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.4 km horizontally, 0.5 km in depth

Magnitude uncertainty

±0.02

Depth from

FROM_LOCATION

Station coverage gap

136°

Stations used

14

• Driggs, IdahoPopulation 1,689. Forecast55 kmNE
• Jackson, WyomingPopulation 10,523. Forecast68 kmN
• Billings, MontanaPopulation 117,116. Forecast253 kmSW
• Calgary, CanadaPopulation 1,306,784. Forecast816 kmSSE

After

1. 1.649 km SSE of Mammoth, WyomingSat, Jan 31, 2:02 AM MST · 4263 days ago · 4 km deep · 62 km away
2. 1.630 km SE of Mammoth, WyomingSun, Feb 1, 1:53 PM MST · 4261 days ago · 4 km deep · 77 km away
3. 2.49 km E of Hebgen Lake Estates, MontanaSun, Feb 1, 10:17 PM MST · 4261 days ago · 12 km deep · 84 km away
4. 1.68 km ESE of Hebgen Lake Estates, MontanaThu, Feb 5, 2:41 PM MST · 4257 days ago · 11 km deep · 81 km away
5. 1.93 km SW of Hebgen Lake Estates, MontanaSun, Feb 15, 2:14 PM MST · 4247 days ago · 11 km deep · 87 km away
6. 2.314 km ENE of Hebgen Lake Estates, MontanaThu, Feb 19, 10:16 AM MST · 4244 days ago · 6 km deep · 85 km away
7. 1.832 km ESE of West Yellowstone, MontanaFri, Feb 20, 7:09 AM MST · 4243 days ago · 6 km deep · 54 km away
8. 2.414 km ENE of Hebgen Lake Estates, MontanaFri, Feb 20, 12:15 PM MST · 4243 days ago · 5 km deep · 85 km away
9. 2.014 km ENE of Hebgen Lake Estates, MontanaFri, Feb 20, 12:30 PM MST · 4243 days ago · 5 km deep · 85 km away
10. 1.94 km SE of Hebgen Lake Estates, MontanaSat, Feb 28, 7:11 AM MST · 4235 days ago · 9 km deep · 83 km away
11. 1.930 km ESE of West Yellowstone, MontanaMon, Mar 2, 7:11 PM MST · 4232 days ago · 7 km deep · 54 km away
12. 1.941 km SSE of Mammoth, WyomingWed, Mar 4, 8:45 PM MST · 4230 days ago · 4 km deep · 65 km away
13. 1.635 km SSE of West Yellowstone, MontanaSat, Mar 7, 6:16 AM MST · 4228 days ago · 2 km deep · 39 km away
14. 1.734 km SE of West Yellowstone, MontanaSat, Mar 7, 6:17 AM MST · 4228 days ago · 2 km deep · 40 km away
15. 1.51 km SW of Hebgen Lake Estates, MontanaTue, Mar 10, 7:25 PM MDT · 4224 days ago · 12 km deep · 87 km away
16. 1.953 km SSE of Mammoth, WyomingFri, Mar 13, 8:00 PM MDT · 4221 days ago · 4 km deep · 57 km away
17. 1.630 km NNE of Alta, WyomingSun, Mar 15, 8:30 AM MDT · 4220 days ago · 8 km deep · 20 km away
18. 1.830 km SSE of Mammoth, WyomingFri, Mar 20, 7:39 AM MDT · 4215 days ago · 5 km deep · 71 km away
19. 1.655 km SE of West Yellowstone, MontanaSat, Mar 21, 10:34 AM MDT · 4214 days ago · 4 km deep · 25 km away
20. 2.017 km ENE of Hebgen Lake Estates, MontanaSun, Mar 22, 12:39 AM MDT · 4213 days ago · 8 km deep · 85 km away
21. 2.029 km SSE of Mammoth, WyomingSun, Mar 22, 10:19 PM MDT · 4212 days ago · 4 km deep · 73 km away
22. 2.227 km SSE of Mammoth, WyomingMon, Mar 23, 1:25 AM MDT · 4212 days ago · 7 km deep · 74 km away
23. 1.628 km SSE of Mammoth, WyomingMon, Mar 23, 8:03 AM MDT · 4212 days ago · 7 km deep · 74 km away

Before

1. 1.710 km ENE of Tetonia, IdahoWed, Jan 21, 1:46 AM MST · 4273 days ago · 5 km deep · 41 km away
2. 1.67 km E of Hebgen Lake Estates, MontanaTue, Jan 20, 9:19 PM MST · 4273 days ago · 12 km deep · 83 km away
3. 1.97 km ESE of Hebgen Lake Estates, MontanaTue, Jan 20, 9:03 PM MST · 4273 days ago · 12 km deep · 82 km away
4. 1.77 km ESE of Hebgen Lake Estates, MontanaTue, Jan 20, 8:01 PM MST · 4273 days ago · 12 km deep · 82 km away
5. 1.67 km ESE of Hebgen Lake Estates, MontanaTue, Jan 20, 7:56 PM MST · 4273 days ago · 12 km deep · 82 km away
6. 1.67 km ESE of Hebgen Lake Estates, MontanaTue, Jan 20, 7:48 PM MST · 4273 days ago · 12 km deep · 82 km away
7. 1.57 km ESE of Hebgen Lake Estates, MontanaTue, Jan 20, 7:40 PM MST · 4273 days ago · 12 km deep · 82 km away
8. 1.67 km ESE of Hebgen Lake Estates, MontanaTue, Jan 20, 7:38 PM MST · 4273 days ago · 12 km deep · 82 km away
9. 1.51 km SE of Alta, WyomingSat, Jan 17, 3:09 PM MST · 4276 days ago · 6 km deep · 49 km away
10. 2.011 km NE of Tetonia, IdahoSat, Jan 17, 1:29 PM MST · 4277 days ago · 7 km deep · 40 km away
11. 1.50 km SW of Alta, WyomingThu, Jan 15, 3:06 AM MST · 4279 days ago · 2 km deep · 50 km away
12. 1.746 km ESE of West Yellowstone, MontanaThu, Jan 8, 1:42 PM MST · 4286 days ago · 4 km deep · 39 km away
13. 1.60 km SSW of Alta, WyomingSat, Jan 3, 7:43 PM MST · 4290 days ago · 4 km deep · 50 km away
14. 1.82 km SW of Alta, WyomingSat, Jan 3, 7:36 PM MST · 4290 days ago · 3 km deep · 51 km away
15. 1.91 km WSW of Alta, WyomingSat, Jan 3, 6:52 AM MST · 4291 days ago · 3 km deep · 50 km away
16. 2.02 km WSW of Alta, WyomingSat, Jan 3, 6:49 AM MST · 4291 days ago · 3 km deep · 51 km away
17. 1.91 km WSW of Alta, WyomingSat, Jan 3, 3:12 AM MST · 4291 days ago · 3 km deep · 51 km away
18. 1.529 km ESE of West Yellowstone, MontanaFri, Jan 2, 4:52 PM MST · 4291 days ago · 10 km deep · 56 km away
19. 1.6southern IdahoFri, Jan 2, 9:32 AM MST · 4292 days ago · 3 km deep · 49 km away
20. 1.81 km SW of Alta, WyomingWed, Dec 31, 1:45 PM MST · 4293 days ago · 3 km deep · 50 km away

From the USGS Earthquake Hazards Program and its partner networks, event uu60099862. Read Sat, Oct 3, 2026, 8:12 AM UTC.