2.1

M2.1 Earthquake 5 km ENE of Butte, Montana — July 19, 2023

2023-07-19 19:02:03 UTC (2023-07-19) · approx. 12:02 PM UTC-7 local

MagnitudeM2.1(ml)
Time19:02 UTC≈ 12:02 PM UTC-7
Depth-2.0 kmshallow crustal
Coordinates46.015°, -112.460°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 46.02°, -112.46°

Earthquake Details

Magnitude
2.1 ml
Depth
-2.0 km
shallow crustal
Location
46.0153°N
-112.4595°E

Technical Information

Event ID
mb90021798
Event Type
quarry blast
Status
✓ Reviewed
Significance
66
Stations Used
15
Azimuthal Gap
113.0°
Min Station Distance
0.066°
RMS Residual
0.10 sec
Last Updated
2023-07-19 19:14:02 UTC

Actions

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Location

Montana
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Understanding This Data

Magnitude 2.1 earthquakes are typically only recorded by instruments.

Learn more about magnitude →

Authoritative source: USGS event page (event ID: mb90021798). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2023, July 19, 2023). M2.1 Earthquake 5 km ENE of Butte, Montana — July 19, 2023. Retrieved July 19, 2023 from https://www.earthquaketracker.org/earthquakes/event/mb90021798/