2.3

M2.3 Earthquake 33 km NNW of Challis, Idaho — October 19, 2025

2025-10-19 16:55:21 UTC (2025-10-19) · approx. 8:55 AM UTC-8 local

MagnitudeM2.3(ml)
Time16:55 UTC≈ 8:55 AM UTC-8
Depth7.4 kmshallow crustal
Coordinates44.774°, -114.415°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 44.77°, -114.41°

Earthquake Details

Magnitude
2.3 ml
Depth
7.4 km
shallow crustal
Location
44.7738°N
-114.4147°E

Technical Information

Event ID
mb90117948
Event Type
earthquake
Status
✓ Reviewed
Significance
82
Stations Used
20
Azimuthal Gap
57.0°
Min Station Distance
0.452°
RMS Residual
0.13 sec
Last Updated
2025-10-21 13:47:27 UTC

Nearby Earthquakes (Last 7 Days)

2.6
7 km NW of Challis, Idaho
6 days ago · 5.0 km deep

Actions

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Location

Idaho
View all Idaho earthquakes

Understanding This Data

Magnitude 2.3 earthquakes are typically only recorded by instruments.

Learn more about magnitude →

Be Prepared

→ What to do during an earthquake→ Create an emergency plan→ Emergency kit essentials→ See all M4.5+ earthquakes today

Authoritative source: USGS event page (event ID: mb90117948). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2025, October 19, 2025). M2.3 Earthquake 33 km NNW of Challis, Idaho — October 19, 2025. Retrieved May 27, 2026 from https://www.earthquaketracker.org/earthquakes/event/mb90117948/