2.1

M2.1 Earthquake 6km NE of Bonadelle Ranchos-Madera Ranchos, CA — December 21, 2021

2021-12-21 22:38:59 UTC (2021-12-21) · approx. 2:38 PM UTC-8 local

MagnitudeM2.1(md)
Time22:38 UTC≈ 2:38 PM UTC-8
Depth-0.4 kmshallow crustal
Coordinates37.017°, -119.817°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 37.02°, -119.82°

Earthquake Details

Magnitude
2.1 md
Depth
-0.4 km
shallow crustal
Location
37.0172°N
-119.8172°E

Technical Information

Event ID
nc73667396
Event Type
quarry blast
Status
✓ Reviewed
Significance
69
Stations Used
8
Azimuthal Gap
143.0°
Min Station Distance
0.090°
RMS Residual
0.03 sec
Last Updated
2022-05-27 19:27:40 UTC

Nearby Earthquakes (Last 7 Days)

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2.5
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2.6
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2.5
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3 days ago · 5.2 km deep
2.7
18 km SE of Silver Springs, Nevada
3 days ago · 6.9 km deep
2.6
27 km SSE of Malibu, CA
4 days ago · -0.1 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: nc73667396). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2021, December 21, 2021). M2.1 Earthquake 6km NE of Bonadelle Ranchos-Madera Ranchos, CA — December 21, 2021. Retrieved May 27, 2022 from https://www.earthquaketracker.org/earthquakes/event/nc73667396/