2.2

M2.2 Earthquake 45 km NNE of Spencer, Idaho — August 31, 2026

2026-08-31 23:35:57 UTC (2026-08-31) · approx. 4:35 PM UTC-7 local

MagnitudeM2.2(ml)
Time23:35 UTC≈ 4:35 PM UTC-7
Depth10.9 kmshallow crustal
Coordinates44.727°, -111.944°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 44.73°, -111.94°

Earthquake Details

Magnitude
2.2 ml
Depth
10.9 km
shallow crustal
Location
44.7275°N
-111.9438°E

Technical Information

Event ID
mb90206603
Event Type
earthquake
Status
✓ Reviewed
Significance
74
Stations Used
18
Azimuthal Gap
73.0°
Min Station Distance
0.160°
RMS Residual
0.15 sec
Last Updated
2026-09-01 15:02:46 UTC

Nearby Earthquakes (Last 7 Days)

3.4
3 km NNW of Little America, Wyoming
2 days ago · -3.4 km deep
2.7
10 km WNW of Wisdom, Montana
5 days ago · 23.3 km deep
3.8
22 km NE of Granger, Wyoming
5 days ago · 3.8 km deep
3.2
23 km NW of Stanley, Idaho
5 days ago · 10.0 km deep

Actions

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Location

Idaho
View all Idaho earthquakes

Understanding This Data

Magnitude 2.2 earthquakes are typically only recorded by instruments.

Learn more about magnitude →

Authoritative source: USGS event page (event ID: mb90206603). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2026, August 31, 2026). M2.2 Earthquake 45 km NNE of Spencer, Idaho — August 31, 2026. Retrieved September 1, 2026 from https://www.earthquaketracker.org/earthquakes/event/mb90206603/