M1.6 earthquake 40 km NNW of Stanley, Idaho
A magnitude 1.6 earthquake struck 40 km NNW of Stanley, Idaho on Wed, Apr 27, 2016, 9:09 PM MDT (03:09 UTC), 9 km (6 mi) below the surface.
A larger quake followed: M2.9 9 km SE of Challis, Idaho. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 1.6 (ml), micro
- Local time
- UTC
- 2016-04-28 03:09:16 UTC
- Depth
- 9.0 km (5.6 mi), shallow
- Epicenter
- 44.573° N, 115.064° W
- Region
- Idaho
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
No one has reported feeling this quake to the USGS.
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 1.0 km horizontally, 3.2 km in depth
- Magnitude uncertainty
- ±0.32
- Depth from
- From location
- Station coverage gap
- 152°
- Stations used
- 7
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 9 in the 60 days after this one and 4 in the 30 days before it.
After
- 2.638 km NNW of Stanley, Idaho · 3805 days ago · 4 km deep · 2 km away
- 2.2southern Idaho · 3782 days ago · 8 km deep · 63 km away
- 2.16 km N of Stanley, Idaho · 3776 days ago · 12 km deep · 35 km away
- 1.614 km SW of Clayton, Idaho · 3771 days ago · 6 km deep · 61 km away
- 2.1southern Idaho · 3762 days ago · 8 km deep · 76 km away
- 1.837 km NNW of Stanley, Idaho · 3758 days ago · 5 km deep · 3 km away
- 2.320 km SE of Challis, Idaho · 3757 days ago · 10 km deep · 83 km away
- 1.76 km NNW of Challis, Idaho · 3757 days ago · -2 km deep · 63 km away
- 2.99 km SE of Challis, Idaho · 3749 days ago · 7 km deep · 75 km away
Before
Earthquakes todayIdaho earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event mb80142334. Read Mon, Sep 28, 2026, 5:17 AM UTC.