M1.8 earthquake 18 km ENE of Hailey, Idaho

Magnitude

1.8 (ml), micro

Local time

Sat, Dec 26, 2015, 10:34 PM MST

UTC

2015-12-27 05:34:21 UTC

Depth

2.9 km (1.8 mi), shallow

Epicenter

43.608° N, 114.127° W

Region

Idaho

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 5.9 km horizontally, 9.4 km in depth

Magnitude uncertainty

±0.15

Depth from

Operator assigned

Station coverage gap

202°, poorly surrounded by stations

Stations used

5

• Hailey, IdahoPopulation 8,134. Forecast18 kmENE
• Jerome, IdahoPopulation 11,184. Forecast103 kmNNE
• Boise, IdahoPopulation 235,684. Forecast167 kmE
• Calgary, CanadaPopulation 1,306,784. Forecast828 kmS

After

1. 1.613 km SE of Challis, IdahoSun, Dec 27, 11:28 AM MST · 3930 days ago · 11 km deep · 91 km away
2. 2.313 km SE of Challis, IdahoMon, Jan 18, 7:28 PM MST · 3908 days ago · 7 km deep · 91 km away
3. 3.810 km SE of Challis, IdahoMon, Jan 18, 11:29 PM MST · 3908 days ago · 8 km deep · 94 km away · felt by 8
4. 1.523 km SE of Challis, IdahoSat, Jan 23, 10:24 PM MST · 3903 days ago · 1 km deep · 83 km away
5. 1.79 km ESE of Challis, IdahoWed, Jan 27, 12:19 AM MST · 3900 days ago · 5 km deep · 94 km away
6. 1.614 km SE of Challis, IdahoSat, Jan 30, 1:06 PM MST · 3896 days ago · 5 km deep · 90 km away
7. 1.822 km SE of Challis, IdahoSat, Jan 30, 6:18 PM MST · 3896 days ago · 1 km deep · 83 km away
8. 1.7southern IdahoSun, Jan 31, 3:49 AM MST · 3895 days ago · 1 km deep · 83 km away
9. 1.819 km SE of Challis, IdahoTue, Feb 2, 12:17 PM MST · 3893 days ago · 2 km deep · 88 km away
10. 2.315 km W of Clayton, IdahoMon, Feb 8, 4:23 AM MST · 3887 days ago · 8 km deep · 82 km away
11. 1.813 km SE of Challis, IdahoMon, Feb 8, 6:41 PM MST · 3887 days ago · 7 km deep · 91 km away
12. 2.212 km SE of Challis, IdahoTue, Feb 9, 11:46 AM MST · 3886 days ago · 8 km deep · 91 km away
13. 1.512 km SE of Challis, IdahoFri, Feb 12, 9:30 PM MST · 3883 days ago · 6 km deep · 92 km away
14. 1.920 km SE of Challis, IdahoSun, Feb 14, 3:31 AM MST · 3881 days ago · 3 km deep · 85 km away
15. 1.512 km SE of Challis, IdahoSun, Feb 14, 11:08 PM MST · 3881 days ago · 6 km deep · 92 km away
16. 1.914 km SE of Challis, IdahoTue, Feb 16, 12:45 PM MST · 3879 days ago · 7 km deep · 89 km away

Before

1. 1.512 km SE of Challis, IdahoFri, Dec 25, 4:11 PM MST · 3932 days ago · 5 km deep · 91 km away
2. 2.025 km SE of Challis, IdahoSun, Dec 20, 4:54 PM MST · 3937 days ago · 5 km deep · 83 km away
3. 1.625 km SE of Challis, IdahoSat, Dec 19, 4:03 AM MST · 3938 days ago · 5 km deep · 84 km away
4. 1.627 km SE of Challis, IdahoFri, Dec 18, 4:32 PM MST · 3939 days ago · 1 km deep · 83 km away
5. 1.816 km SE of Challis, IdahoFri, Dec 18, 11:43 AM MST · 3939 days ago · 5 km deep · 90 km away
6. 1.525 km SE of Challis, IdahoThu, Dec 17, 1:55 PM MST · 3940 days ago · 5 km deep · 84 km away
7. 2.328 km SE of Challis, IdahoThu, Dec 17, 8:25 AM MST · 3940 days ago · 12 km deep · 83 km away
8. 1.725 km SE of Challis, IdahoThu, Dec 17, 5:15 AM MST · 3940 days ago · 5 km deep · 84 km away
9. 2.110 km SE of Challis, IdahoMon, Dec 14, 5:10 PM MST · 3943 days ago · 5 km deep · 93 km away
10. 1.68 km SE of Challis, IdahoSun, Dec 13, 7:17 AM MST · 3944 days ago · 0 km deep · 94 km away
11. 1.735 km NW of Mackay, IdahoThu, Dec 10, 2:29 AM MST · 3948 days ago · 5 km deep · 59 km away
12. 1.822 km SE of Challis, IdahoWed, Dec 9, 8:02 PM MST · 3948 days ago · 6 km deep · 86 km away
13. 1.612 km SE of Challis, IdahoMon, Dec 7, 4:52 AM MST · 3950 days ago · 5 km deep · 91 km away
14. 1.911 km ESE of Challis, IdahoSat, Nov 28, 5:44 AM MST · 3959 days ago · 7 km deep · 93 km away

From the USGS Earthquake Hazards Program and its partner networks, event mb80117334. Read Wed, Sep 30, 2026, 9:34 PM UTC.