2.1

M2.1 Earthquake 40 km SW of Dillon, Montana — November 20, 2021

2021-11-20 17:36:55 UTC (2021-11-20) · approx. 9:36 AM UTC-8 local

MagnitudeM2.1(ml)
Time17:36 UTC≈ 9:36 AM UTC-8
Depth5.0 kmshallow crustal
Coordinates44.993°, -113.047°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 44.99°, -113.05°

Earthquake Details

Magnitude
2.1 ml
Depth
5.0 km
shallow crustal
Location
44.9927°N
-113.0473°E

Technical Information

Event ID
mb80531154
Event Type
earthquake
Status
✓ Reviewed
Significance
65
Stations Used
23
Azimuthal Gap
76.0°
Min Station Distance
0.217°
RMS Residual
0.21 sec
Last Updated
2021-11-21 15:55:17 UTC

Nearby Earthquakes (Last 7 Days)

3.4
3 km NNW of Little America, Wyoming
3 days ago · -3.4 km deep
2.7
10 km WNW of Wisdom, Montana
6 days ago · 23.3 km deep
3.8
22 km NE of Granger, Wyoming
6 days ago · 3.8 km deep
3.2
23 km NW of Stanley, Idaho
6 days ago · 10.0 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: mb80531154). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2021, November 20, 2021). M2.1 Earthquake 40 km SW of Dillon, Montana — November 20, 2021. Retrieved November 21, 2021 from https://www.earthquaketracker.org/earthquakes/event/mb80531154/