| Magnitude | 5.6 |
| Alert | Strong |
| Depth | 10.0 km |
| Coordinates | 44.467, -114.008 |
| UTC time | 1984-08-22 09:46:30.250 |
Earthquake details
Wednesday, August 22, 1984 Earthquake
The earthquake hit United States on Wednesday, August 22, 1984 at 09:46 UTC with a magnitude of 5.6. The closest known location in the current dataset is Idaho Falls (United States - US), about 193.4 km away. The epicenter is located at longitude -114.008 and latitude 44.467.
| Location | Boise |
| Country | United States (US) |
| Severity | Strong |
Earthquake map 1984-08-22
Closest countries
The 12 closest cities near the epicenter.
| Idaho Falls | 193.4 km |
| Boise | 199.7 km |
| Butte | 206.4 km |
| Meridian | 213.1 km |
| Twin Falls | 215.1 km |
| Pocatello | 217.7 km |
| Nampa | 229.1 km |
| Caldwell | 232.2 km |
| Missoula | 267.7 km |
| Bozeman | 269.6 km |
| Helena | 282.2 km |
| Lewiston Orchards | 314.8 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
M 4.3
Boise
United States · 2025-06-08 17:05 UTC
23.5 km
M 4.0
Boise
United States · 2025-06-03 11:59 UTC
80.9 km
M 4.0
Boise
United States · 2025-06-03 07:34 UTC
82.4 km
M 4.2
Boise
United States · 2025-01-27 16:32 UTC
52.8 km
M 4.0
Boise
United States · 2021-11-23 12:32 UTC
95.0 km
M 4.0
Boise
United States · 2021-11-12 07:40 UTC
96.2 km
M 4.0
Boise
United States · 2021-10-02 23:47 UTC
85.1 km
M 4.0
Boise
United States · 2021-09-19 04:18 UTC
89.9 km
Stay informed
Earthquake alerts
Create targeted notifications for important seismic activity near the places you follow.