2.1

M2.1 Earthquake 5km NW of Walker, CA — October 31, 2021

2021-10-31 18:29:02 UTC (2021-10-31) · approx. 10:29 AM UTC-8 local

MagnitudeM2.1(md)
Time18:29 UTC≈ 10:29 AM UTC-8
Depth4.2 kmshallow crustal
Coordinates38.545°, -119.528°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 38.55°, -119.53°

Earthquake Details

Magnitude
2.1 md
Depth
4.2 km
shallow crustal
Location
38.5453°N
-119.5283°E

Technical Information

Event ID
nc73647125
Event Type
earthquake
Status
✓ Reviewed
Significance
67
Stations Used
18
Azimuthal Gap
78.0°
Min Station Distance
0.032°
RMS Residual
0.08 sec
Last Updated
2021-11-08 23:43:19 UTC

Nearby Earthquakes (Last 7 Days)

2.5
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2.6
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2.6
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2.6
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3.5
20 km WSW of Petrolia, CA
2 days ago · 20.1 km deep
3.8
20 km WSW of Gerlach, Nevada
3 days ago · 7.0 km deep
2.7
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3.3
17 km WSW of Petrolia, CA
4 days ago · 9.0 km deep
2.6
7 km E of Hydesville, CA
4 days ago · 24.2 km deep
3.3
19 km WSW of Gerlach, Nevada
4 days ago · 11.0 km deep

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: nc73647125). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2021, October 31, 2021). M2.1 Earthquake 5km NW of Walker, CA — October 31, 2021. Retrieved November 8, 2021 from https://www.earthquaketracker.org/earthquakes/event/nc73647125/