M2.4 earthquake 9 km N of Stanley, Idaho

Magnitude

2.4 (ML, local (Richter)), micro

Magnitude from

Montana Bureau of Mines and Geology

Local time

Tue, Oct 9, 2018, 7:25 AM MDT

UTC

2018-10-09 13:25:14 UTC

Depth

2.9 km (1.8 mi), shallow

Epicenter

44.299° N, 114.942° W

Region

Idaho

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.5 km horizontally, 3.0 km in depth

Magnitude uncertainty

±0.26

Depth from

From location

Station coverage gap

90°

Stations used

8

• Challis, IdahoPopulation 1,043. Forecast61 kmWSW
• Boise, IdahoPopulation 235,684. Forecast127 kmNE
• Calgary, CanadaPopulation 1,306,784. Forecast753 kmS

After

1. 1.633 km W of Challis, IdahoThu, Oct 18, 5:12 AM MDT · 2908 days ago · 2 km deep · 37 km away
2. 1.634 km NW of Mackay, IdahoSun, Oct 21, 10:41 AM MDT · 2905 days ago · 1 km deep · 82 km away
3. 2.320 km WNW of Mackay, IdahoFri, Oct 26, 11:41 AM MDT · 2900 days ago · 6 km deep · 94 km away · felt by 1
4. 1.65 km N of Stanley, IdahoThu, Nov 1, 7:46 AM MDT · 2894 days ago · 3 km deep · 4 km away
5. 1.76 km N of Stanley, IdahoThu, Nov 1, 7:50 AM MDT · 2894 days ago · 0 km deep · 3 km away
6. 2.19 km NNW of Stanley, IdahoSat, Nov 3, 2:19 AM MDT · 2892 days ago · 4 km deep · 2 km away
7. 2.26 km N of Stanley, IdahoSat, Nov 3, 6:38 AM MDT · 2892 days ago · 3 km deep · 3 km away
8. 1.72 km N of Challis, IdahoWed, Nov 14, 8:43 PM MST · 2880 days ago · 1 km deep · 62 km away
9. 2.125 km SSW of Clayton, IdahoSun, Nov 18, 8:53 AM MST · 2877 days ago · 5 km deep · 46 km away
10. 1.69 km NNW of Stanley, IdahoMon, Nov 19, 4:33 PM MST · 2875 days ago · 4 km deep · 2 km away
11. 3.115 km NNW of Stanley, IdahoTue, Nov 20, 12:11 AM MST · 2875 days ago · 5 km deep · 7 km away · felt by 1
12. 1.69 km NNW of Stanley, IdahoTue, Nov 20, 12:31 AM MST · 2875 days ago · 4 km deep · 2 km away
13. 2.88 km ESE of Challis, IdahoSun, Nov 25, 11:57 PM MST · 2869 days ago · 5 km deep · 66 km away · felt by 3
14. 1.625 km N of Lowman, IdahoSat, Dec 1, 2:02 AM MST · 2864 days ago · 7 km deep · 51 km away
15. 2.321 km SSE of Yellow Pine, IdahoSat, Dec 1, 9:07 PM MST · 2863 days ago · 16 km deep · 65 km away
16. 1.924 km N of Lowman, IdahoMon, Dec 3, 2:52 AM MST · 2862 days ago · 7 km deep · 52 km away
17. 2.59 km SSE of Clayton, IdahoWed, Dec 5, 5:08 AM MST · 2860 days ago · 5 km deep · 48 km away · felt by 1
18. 1.619 km NW of Clayton, IdahoSat, Dec 8, 3:48 AM MST · 2857 days ago · 3 km deep · 31 km away

Before

1. 1.68 km N of Stanley, IdahoTue, Oct 9, 5:19 AM MDT · 2917 days ago · 6 km deep · 1 km away
2. 1.616 km SE of Challis, IdahoSat, Oct 6, 10:22 AM MDT · 2920 days ago · 4 km deep · 69 km away
3. 1.69 km N of Stanley, IdahoSat, Oct 6, 5:12 AM MDT · 2920 days ago · 4 km deep · 1 km away
4. 1.67 km NNW of Stanley, IdahoFri, Oct 5, 7:59 AM MDT · 2921 days ago · 4 km deep · 4 km away
5. 1.67 km NNW of Stanley, IdahoFri, Oct 5, 7:49 AM MDT · 2921 days ago · 5 km deep · 2 km away
6. 2.512 km NNE of Stanley, IdahoFri, Oct 5, 5:34 AM MDT · 2921 days ago · 5 km deep · 5 km away · felt by 1
7. 1.6southern IdahoFri, Oct 5, 5:31 AM MDT · 2921 days ago · 6 km deep · 2 km away
8. 1.89 km N of Stanley, IdahoFri, Oct 5, 5:24 AM MDT · 2921 days ago · 6 km deep · 1 km away
9. 2.43 km NW of Stanley, IdahoFri, Oct 5, 5:16 AM MDT · 2921 days ago · 5 km deep · 7 km away
10. 2.18 km N of Stanley, IdahoFri, Oct 5, 5:16 AM MDT · 2921 days ago · 4 km deep · 1 km away
11. 1.610 km SE of Challis, IdahoThu, Sep 27, 8:06 AM MDT · 2929 days ago · 7 km deep · 66 km away
12. 1.634 km SE of Stanley, IdahoSat, Sep 22, 3:14 AM MDT · 2934 days ago · 14 km deep · 42 km away
13. 2.434 km NE of Challis, IdahoTue, Sep 18, 1:00 AM MDT · 2938 days ago · 11 km deep · 95 km away
14. 2.336 km ENE of Challis, IdahoTue, Sep 18, 12:30 AM MDT · 2938 days ago · 11 km deep · 97 km away
15. 2.813 km SE of Challis, IdahoSun, Sep 16, 9:34 AM MDT · 2940 days ago · 5 km deep · 68 km away · felt by 3

From the USGS Earthquake Hazards Program and its partner networks, event mb80312959. Read Sun, Oct 4, 2026, 5:45 AM UTC.