M2.8 Earthquake 4 km NNW of Gillette, Wyoming — April 20, 2021

2021-04-20 18:58:28 UTC (2021-04-20) · approx. 11:58 AM UTC-7 local

MagnitudeM2.8(ml)

Time18:58 UTC≈ 11:58 AM UTC-7

Depth0.0 kmshallow crustal

Coordinates44.332°, -105.520°

Felt byNo felt reports

Status✓ Reviewed by USGS

Map showing earthquake epicenter at 44.33°, -105.52°

Earthquake Details

Magnitude

2.8 ml

Depth

0.0 km

shallow crustal

Location

44.3320°N
-105.5198°E

Technical Information

Event ID

us6000e511

Event Type

mining explosion

Status

✓ Reviewed

Significance

121

Azimuthal Gap

112.0°

Min Station Distance

1.087°

RMS Residual

1.18 sec

Last Updated

2021-07-03 16:49:46 UTC

Nearby Earthquakes (Last 7 Days)

3.1

3 km NW of Little America, Wyoming

4 days ago · -2.5 km deep

2.9

5 km NNE of Point of Rocks, Wyoming

4 days ago · 0.0 km deep

Actions

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Location

Wyoming

View all Wyoming earthquakes

Understanding This Data

Magnitude 2.8 earthquakes are typically only recorded by instruments.

Learn more about magnitude →

Authoritative source: USGS event page (event ID: us6000e511). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2021, April 20, 2021). M2.8 Earthquake 4 km NNW of Gillette, Wyoming — April 20, 2021. Retrieved July 3, 2021 from https://www.earthquaketracker.org/earthquakes/event/us6000e511/