M1.6 earthquake 25 km E of Lima, Montana

Magnitude

1.6 (Mc), micro

Magnitude from

Montana Bureau of Mines and Geology

Local time

Tue, Jan 20, 2015, 8:18 PM MST

UTC

2015-01-21 03:18:10 UTC

Depth

5.6 km (3.5 mi), shallow

Epicenter

44.629° N, 112.271° W

Region

Idaho

Tsunami flag

No

Status

Automatic solution, may be revised

Location uncertainty

About 0.8 km horizontally, 1.0 km in depth

Magnitude uncertainty

±0.50

Station coverage gap

65°

Stations used

22

• Dubois, IdahoPopulation 606. Forecast50 kmN
• Rexburg, IdahoPopulation 27,663. Forecast97 kmNNW
• Billings, MontanaPopulation 117,116. Forecast322 kmWSW
• Calgary, CanadaPopulation 1,306,784. Forecast727 kmSSE

After

1. 1.97 km ESE of Hebgen Lake Estates, MontanaTue, Jan 20, 9:03 PM MST · 4273 days ago · 12 km deep · 93 km away
2. 1.67 km E of Hebgen Lake Estates, MontanaTue, Jan 20, 9:19 PM MST · 4273 days ago · 12 km deep · 94 km away
3. 2.024 km E of Lima, MontanaTue, Jan 20, 11:06 PM MST · 4273 days ago · 6 km deep · 1 km away
4. 1.641 km ENE of Lima, MontanaSat, Jan 31, 12:19 PM MST · 4263 days ago · 13 km deep · 20 km away
5. 2.49 km E of Hebgen Lake Estates, MontanaSun, Feb 1, 10:17 PM MST · 4261 days ago · 12 km deep · 96 km away
6. 1.68 km ESE of Hebgen Lake Estates, MontanaThu, Feb 5, 2:41 PM MST · 4258 days ago · 11 km deep · 95 km away
7. 3.023 km WNW of Hebgen Lake Estates, MontanaTue, Feb 10, 6:52 PM MST · 4252 days ago · 6 km deep · 69 km away · felt by 1
8. 1.925 km W of Lima, MontanaThu, Feb 12, 9:54 AM MST · 4251 days ago · 2 km deep · 50 km away
9. 1.93 km SW of Hebgen Lake Estates, MontanaSun, Feb 15, 2:14 PM MST · 4248 days ago · 11 km deep · 83 km away
10. 2.118 km N of Dillon, MontanaFri, Feb 27, 4:33 AM MST · 4236 days ago · 10 km deep · 88 km away
11. 1.94 km SE of Hebgen Lake Estates, MontanaSat, Feb 28, 7:11 AM MST · 4235 days ago · 9 km deep · 89 km away
12. 1.525 km N of Lima, MontanaSun, Mar 1, 10:20 PM MST · 4233 days ago · 11 km deep · 39 km away
13. 2.023 km WNW of Hebgen Lake Estates, MontanaWed, Mar 4, 2:07 AM MST · 4231 days ago · 5 km deep · 68 km away
14. 1.615 km NE of Dillon, MontanaSun, Mar 8, 2:50 PM MDT · 4227 days ago · 8 km deep · 80 km away
15. 1.51 km SW of Hebgen Lake Estates, MontanaTue, Mar 10, 7:25 PM MDT · 4224 days ago · 12 km deep · 86 km away

Before

1. 1.77 km ESE of Hebgen Lake Estates, MontanaTue, Jan 20, 8:01 PM MST · 4273 days ago · 12 km deep · 94 km away
2. 1.67 km ESE of Hebgen Lake Estates, MontanaTue, Jan 20, 7:56 PM MST · 4273 days ago · 12 km deep · 94 km away
3. 1.67 km ESE of Hebgen Lake Estates, MontanaTue, Jan 20, 7:48 PM MST · 4273 days ago · 12 km deep · 93 km away
4. 1.57 km ESE of Hebgen Lake Estates, MontanaTue, Jan 20, 7:40 PM MST · 4273 days ago · 12 km deep · 94 km away
5. 1.67 km ESE of Hebgen Lake Estates, MontanaTue, Jan 20, 7:38 PM MST · 4273 days ago · 12 km deep · 93 km away
6. 1.615 km NNW of Lima, MontanaFri, Jan 16, 6:03 AM MST · 4278 days ago · 11 km deep · 36 km away
7. 2.335 km NNE of Spencer, IdahoMon, Jan 12, 9:20 PM MST · 4281 days ago · 7 km deep · 14 km away
8. 1.536 km NNE of Spencer, IdahoMon, Jan 12, 6:38 PM MST · 4281 days ago · 9 km deep · 16 km away
9. 1.911 km N of Dillon, MontanaTue, Jan 6, 3:51 AM MST · 4288 days ago · 9 km deep · 82 km away
10. 1.524 km S of Ennis, MontanaSat, Jan 3, 1:27 PM MST · 4291 days ago · 3 km deep · 72 km away
11. 2.127 km W of Hebgen Lake Estates, MontanaWed, Dec 31, 9:51 PM MST · 4293 days ago · 12 km deep · 61 km away
12. 2.127 km W of Hebgen Lake Estates, MontanaMon, Dec 29, 10:15 PM MST · 4295 days ago · 11 km deep · 62 km away

From the USGS Earthquake Hazards Program and its partner networks, event mb15350147. Read Sat, Oct 3, 2026, 10:52 AM UTC.