M2.3 earthquake 39 km WNW of White Bird, Idaho
A magnitude 2.3 earthquake struck 39 km WNW of White Bird, Idaho on Thu, Aug 31, 2017, 7:36 PM PDT (02:36 UTC), 5 km (3 mi) below the surface.
A larger quake followed: M2.6 26 km NW of New Meadows, Idaho. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 2.3 (ML, local (Richter)), micro
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2017-09-01 02:36:02 UTC
- Depth
- 5.2 km (3.2 mi), shallow
- Epicenter
- 45.865° N, 116.781° W
- Region
- Idaho
- Felt reports
- 1
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Magnitude estimates
Different scales measure different things and differ by a few tenths. The USGS marks one as preferred, and it is the one this page uses.
| Mag. | Scale | Computed by | Notes |
|---|---|---|---|
| 2.3 | ML, local (Richter) | USGS National Earthquake Information Center | Preferred · Reviewed · ±0.059 · 38 stations |
| 2.27 | ML, local (Richter) | Pacific Northwest Seismic Network | Final · ±0.112 · 8 stations |
| 2.64 | ML, local (Richter) | Montana Bureau of Mines and Geology | Final · ±0.274 · 16 stations |
Did you feel it?
1 person reported to the USGS what they felt; the strongest reported shaking was I, not felt shaking.
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 1.7 km horizontally, 5.9 km in depth
- Magnitude uncertainty
- ±0.06
- Depth from
- From location
- Station coverage gap
- 68°
- Stations used
- 33
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 1 in the 60 days after this one and 7 in the 30 days before it.
After
Before
- 2.220 km N of Halfway, Oregon · 3329 days ago · 5 km deep · 93 km away
- 3.022 km N of Halfway, Oregon · 3330 days ago · 2 km deep · 91 km away
- 1.621 km N of Halfway, Oregon · 3330 days ago · 4 km deep · 91 km away
- 2.521 km N of Halfway, Oregon · 3330 days ago · 1 km deep · 92 km away
- 2.417 km NNW of Halfway, Oregon · 3336 days ago · 15 km deep · 99 km away
- 2.621 km NNW of Halfway, Oregon · 3336 days ago · 2 km deep · 95 km away
- 3.119 km NNW of Halfway, Oregon · 3337 days ago · 8 km deep · 97 km away · felt by 1
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event us2000adr3 (also filed as mb80249024, uw61301667). Read Fri, Oct 2, 2026, 9:34 PM UTC.