Earthquake M1.0 – 19 km WSW of Alder, Montana
Origin Time (UTC)
20:17:18 27.07.26
Magnitude
1.0 ml
Agency
USGS
Coordinates
45.228500°N 112.314000°W
Energy Release
0.00 t
Weather
N/A
Depth
-2 KM
A magnitude 1.0 earthquake struck 19 km WSW of Alder, Montana on July 27, 2026. Based on seismic calculations, the event released an energy equivalent to approximately 0.00 t of TNT. The earthquake originated at a depth of -2 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
|
|
05:59:35
17/07/2026
|
2.1
|
20 km NNE of Helena Valley Northeast, Montana
46.8747°N 111.8840°W |
3.99 KM |
EMSC, USGS
|
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
|