| Magnitude | 5.1 |
| Alert | Strong |
| Depth | 16.0 km |
| Coordinates | 44.785, -112.788 |
| UTC time | 1999-08-20 13:50:25.600 |
Earthquake details
Friday, August 20, 1999 Earthquake
The earthquake hit United States on Friday, August 20, 1999 at 13:50 UTC with a magnitude of 5.1. The closest known location in the current dataset is Butte (United States - US), about 137.1 km away. The epicenter is located at longitude -112.788 and latitude 44.785.
| Location | Idaho Falls |
| Country | United States (US) |
| Severity | Strong |
Earthquake map 1999-08-20
Closest countries
The 12 closest cities near the epicenter.
| Butte | 137.1 km |
| Idaho Falls | 158.6 km |
| Bozeman | 169.5 km |
| Helena | 209.6 km |
| Pocatello | 214.8 km |
| Missoula | 250.5 km |
| Twin Falls | 281.6 km |
| Boise | 302.1 km |
| Meridian | 315.8 km |
| Great Falls | 323.3 km |
| Nampa | 331.7 km |
| Caldwell | 335.2 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
M 4.1
Butte
United States · 2024-10-07 06:54 UTC
54.5 km
M 4.2
Idaho Falls
United States · 2023-07-14 22:26 UTC
24.6 km
M 4.6
Idaho Falls
United States · 2019-04-09 18:08 UTC
24.2 km
M 4.3
Idaho Falls
United States · 2016-06-13 12:14 UTC
81.1 km
M 4.4
Idaho Falls
United States · 2011-04-05 07:05 UTC
58.7 km
M 4.4
Bozeman
United States · 2007-05-08 15:46 UTC
85.2 km
M 4.4
Idaho Falls
United States · 2006-02-05 03:25 UTC
73.3 km
M 4.0
Butte
United States · 2006-01-18 09:47 UTC
67.6 km
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