2.1

M2.1 Earthquake 25 km SSE of Challis, Idaho — September 26, 2023

2023-09-26 21:15:00 UTC (2023-09-26) · approx. 1:15 PM UTC-8 local

MagnitudeM2.1(ml)
Time21:15 UTC≈ 1:15 PM UTC-8
Depth3.9 kmshallow crustal
Coordinates44.301°, -114.072°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 44.30°, -114.07°

Earthquake Details

Magnitude
2.1 ml
Depth
3.9 km
shallow crustal
Location
44.3010°N
-114.0722°E

Technical Information

Event ID
mb90028488
Event Type
earthquake
Status
✓ Reviewed
Significance
66
Stations Used
16
Azimuthal Gap
70.0°
Min Station Distance
0.479°
RMS Residual
0.11 sec
Last Updated
2023-09-26 21:50:38 UTC

Nearby Earthquakes (Last 7 Days)

3.1
2 km NNW of Little America, Wyoming
3 days ago · -2.8 km deep

Actions

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Location

Idaho
View all Idaho earthquakes

Understanding This Data

Magnitude 2.1 earthquakes are typically only recorded by instruments.

Learn more about magnitude →

Authoritative source: USGS event page (event ID: mb90028488). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2023, September 26, 2023). M2.1 Earthquake 25 km SSE of Challis, Idaho — September 26, 2023. Retrieved September 26, 2023 from https://www.earthquaketracker.org/earthquakes/event/mb90028488/