2.1

M2.1 Earthquake 2km NNW of Palomar Observatory, CA — December 31, 2021

2021-12-31 23:20:44 UTC (2021-12-31) · approx. 3:20 PM UTC-8 local

MagnitudeM2.1(ml)
Time23:20 UTC≈ 3:20 PM UTC-8
Depth5.3 kmshallow crustal
Coordinates33.371°, -116.874°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 33.37°, -116.87°

Earthquake Details

Magnitude
2.1 ml
Depth
5.3 km
shallow crustal
Location
33.3713°N
-116.8740°E

Technical Information

Event ID
ci39900287
Event Type
earthquake
Status
✓ Reviewed
Significance
70
Stations Used
85
Azimuthal Gap
18.0°
Min Station Distance
0.020°
RMS Residual
0.22 sec
Last Updated
2022-01-10 18:26:04 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: ci39900287). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2021, December 31, 2021). M2.1 Earthquake 2km NNW of Palomar Observatory, CA — December 31, 2021. Retrieved January 10, 2022 from https://www.earthquaketracker.org/earthquakes/event/ci39900287/