2.1

M2.1 Earthquake 17 km NNE of Ennis, Montana — September 5, 2023

2023-09-05 19:54:12 UTC (2023-09-05) · approx. 12:54 PM UTC-7 local

MagnitudeM2.1(ml)
Time19:54 UTC≈ 12:54 PM UTC-7
Depth0.0 kmshallow crustal
Coordinates45.499°, -111.679°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 45.50°, -111.68°

Earthquake Details

Magnitude
2.1 ml
Depth
0.0 km
shallow crustal
Location
45.4990°N
-111.6792°E

Technical Information

Event ID
mb90026428
Event Type
earthquake
Status
✓ Reviewed
Significance
68
Stations Used
27
Azimuthal Gap
54.0°
Min Station Distance
0.104°
RMS Residual
0.09 sec
Last Updated
2024-01-18 20:50:20 UTC

Nearby Earthquakes (Last 7 Days)

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

Actions

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Location

Montana
View all Montana 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: mb90026428). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2023, September 5, 2023). M2.1 Earthquake 17 km NNE of Ennis, Montana — September 5, 2023. Retrieved January 18, 2024 from https://www.earthquaketracker.org/earthquakes/event/mb90026428/