2.4

M2.4 Earthquake 8 km NNE of Helena Valley Northwest, Montana — October 4, 2021

2021-10-04 22:36:12 UTC (2021-10-04) · approx. 3:36 PM UTC-7 local

MagnitudeM2.4(ml)
Time22:36 UTC≈ 3:36 PM UTC-7
Depth6.3 kmshallow crustal
Coordinates46.803°, -112.016°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 46.80°, -112.02°

Earthquake Details

Magnitude
2.4 ml
Depth
6.3 km
shallow crustal
Location
46.8026°N
-112.0161°E

Technical Information

Event ID
us6000frq5
Event Type
earthquake
Status
✓ Reviewed
Significance
89
Azimuthal Gap
73.0°
Min Station Distance
0.203°
RMS Residual
0.66 sec
Last Updated
2021-12-10 21:14:09 UTC

Nearby Earthquakes (Last 7 Days)

3.6
5 km NW of Black Eagle, Montana
1 day ago · 27.7 km deep
4.2
37 km ENE of Nelson, Canada
2 days ago · 10.0 km deep

Actions

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Location

Montana
View all Montana earthquakes

Understanding This Data

Magnitude 2.4 earthquakes are typically only recorded by instruments.

Learn more about magnitude →

Authoritative source: USGS event page (event ID: us6000frq5). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2021, October 4, 2021). M2.4 Earthquake 8 km NNE of Helena Valley Northwest, Montana — October 4, 2021. Retrieved December 10, 2021 from https://www.earthquaketracker.org/earthquakes/event/us6000frq5/