2.1

M2.1 Earthquake 11km W of Alder Springs, CA — August 14, 2021

2021-08-14 23:47:55 UTC (2021-08-14) · approx. 3:47 PM UTC-8 local

MagnitudeM2.1(md)
Time23:47 UTC≈ 3:47 PM UTC-8
Depth2.6 kmshallow crustal
Coordinates39.664°, -122.856°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 39.66°, -122.86°

Earthquake Details

Magnitude
2.1 md
Depth
2.6 km
shallow crustal
Location
39.6642°N
-122.8562°E

Technical Information

Event ID
nc73610166
Event Type
earthquake
Status
✓ Reviewed
Significance
71
Stations Used
18
Azimuthal Gap
65.0°
Min Station Distance
0.272°
RMS Residual
0.07 sec
Last Updated
2021-08-17 05:49:15 UTC

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Actions

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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: nc73610166). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2021, August 14, 2021). M2.1 Earthquake 11km W of Alder Springs, CA — August 14, 2021. Retrieved August 17, 2021 from https://www.earthquaketracker.org/earthquakes/event/nc73610166/