Earthquake M2.1 – 20 km NNE of Helena Valley Northeast, Montana
Origin Time (UTC)
05:59:35 17.07.26
Magnitude
2.1 ml
Agency
EMSC, USGS
Coordinates
46.874667°N 111.884000°W
Energy Release
0.02 t
Weather
N/A
Depth
3.99 KM
A magnitude 2.1 earthquake struck 20 km NNE of Helena Valley Northeast, Montana on July 17, 2026. Based on seismic calculations, the event released an energy equivalent to approximately 0.02 t of TNT. The earthquake originated at a depth of 3.99 km below the surface.
Nearby Events
| Time | Mag | Epicenter | Explore |
|---|---|---|---|
|
20:37:00
27/07/2026
|
2.0
|
37 km S of Silver Gate, Montana
44.6708°N 110.0140°W |
13.46 KM |
EMSC, USGS
|
MAP
EVENT
|
|
15:59:43
22/07/2026
|
2.0
|
Western Montana
46.8278°N 111.5727°W |
15.7 KM |
EMSC
|
MAP
EVENT
|
|
02:48:49
18/07/2026
|
2.4
|
Western Montana
47.3413°N 113.1238°W |
7.8 KM |
EMSC
|
MAP
EVENT
|
|
13:20:11
16/07/2026
|
3.3
|
38 km SSE of Mammoth, Wyoming
44.6672°N 110.4715°W |
5.23 KM |
EMSC, USGS
|
MAP
EVENT
|
|
07:46:37
16/07/2026
|
2.4
|
9 km NNE of Black Eagle, Montana
47.6070°N 111.2428°W |
10.06 KM |
EMSC, USGS
|
MAP
EVENT
|